DR REDDYS LABORATORIES LTD (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 101 - Document - Document And Entity Information Network

*

*

 http://www.drreddys.com/role/DocumentAndEntityInformation
2 Document Information [Table] Table

*

*

 dei:DocumentInformationTable
3 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
4 Assets [member] Member ifrs-full:ClassesOfAssetsMember
5 Document Information [Line Items] LineItems dei:DocumentInformationLineItems
6 Document Type Concept (Submission Type) For Period dei:DocumentType
7 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
8 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
9 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
10 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
11 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
12 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
13 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
14 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
15 Entity Voluntary Filers Concept (Yes/No) For Period dei:EntityVoluntaryFilers
16 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
17 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
18 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
19 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
20 102 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION Network

*

*

 http://www.drreddys.com/role/ConsolidatedStatementsOfFinancialPosition
21 Implied Table Table

*

*

 implied:Table
22 Statement of Financial Position [Abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
23 ASSETS Abstract ifrs-full:AssetsAbstract
24 Current assets Abstract ifrs-full:CurrentAssetsAbstract
25 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
26 Other investments Concept (Monetary) As Of Debit ifrs-full:CurrentInvestments
27 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
28 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
29 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:CurrentDerivativeFinancialAssets
30 Current tax assets Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssetsCurrent
31 Other current assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
32 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
33 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
34 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
35 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
36 Other intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
37 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:NoncurrentReceivables
38 Investment in equity accounted investees Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
39 Other investments Concept (Monetary) As Of Debit ifrs-full:NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
40 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
41 Other non-current assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
42 Total non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
43 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
44 LIABILITIES AND EQUITY Abstract ifrs-full:EquityAndLiabilitiesAbstract
45 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
46 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
47 Short-term borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
48 Long-term borrowings, current portion Concept (Monetary) As Of Credit ifrs-full:CurrentPortionOfLongtermBorrowings
49 Provisions Concept (Monetary) As Of Credit ifrs-full:CurrentProvisions
50 Current tax liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
51 Derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
52 Bank overdraft Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
53 Other current liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentLiabilities
54 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
55 Non-current liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
56 Long-term borrowings, excluding current portion Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
57 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
58 Provisions Concept (Monetary) As Of Credit ifrs-full:NoncurrentProvisions
59 Other non-current liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
60 Total non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
61 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
62 Equity Abstract ifrs-full:EquityAbstract
63 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
64 Share premium Concept (Monetary) As Of Credit ifrs-full:SharePremium
65 Share-based payment reserve Concept (Monetary) As Of Credit ifrs-full:ReserveOfSharebasedPayments
66 Capital redemption reserve Concept (Monetary) As Of Credit ifrs-full:CapitalRedemptionReserve
67 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
68 Other components of equity Concept (Monetary) As Of Credit ifrs-full:OtherEquityInterest
69 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
70 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
71 103 - Statement - CONSOLIDATED INCOME STATEMENTS Network

*

*

 http://www.drreddys.com/role/ConsolidatedIncomeStatements
72 INCOME STATEMENT [Table] Table

*

*

 rdy:IncomeStatementTable
73 Earning per share [Axis] Axis rdy:EarningPerShareAxis
74 Earning per share [Domain] Member rdy:EarningPerShareDomain
75 INCOME STATEMENT [Line Items] LineItems rdy:IncomeStatementLineItems
76 Analysis of income and expense [abstract] Abstract ifrs-full:AnalysisOfIncomeAndExpenseAbstract
77 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
78 Cost of revenues Concept (Monetary) For Period Debit ifrs-full:CostOfSales
79 Gross profit Concept (Monetary) For Period Credit ifrs-full:GrossProfit
80 Selling, general and administrative expenses Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
81 Research and development expenses Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
82 Other (income)/expense, net Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
83 Total operating expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
84 Results from operating activities Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
85 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
86 Finance expense Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
87 Finance (expense)/income, net Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
88 Share of profit of equity accounted investees, net of tax Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod
89 Profit before tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
90 Tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
91 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
92 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
93 Equity holders of the Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
94 Non-controlling interest Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
95 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
96 Earnings per share: Abstract ifrs-full:EarningsPerShareAbstract
97 Basic earnings per share of Rs.5/- each Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
98 Diluted earnings per share of Rs.5/- each Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
99 Weighted average number of equity shares used in computing earnings per share: Abstract ifrs-full:WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract
100 Basic Concept (Shares) For Period ifrs-full:WeightedAverageShares
101 Diluted Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
102 104 - Statement - CONSOLIDATED INCOME STATEMENTS (Parenthetical) Network

*

*

 http://www.drreddys.com/role/ConsolidatedIncomeStatementsParenthetical
103 Implied Table Table

*

*

 implied:Table
104 Analysis of income and expense [abstract] Abstract ifrs-full:AnalysisOfIncomeAndExpenseAbstract
105 Par value per share - basic and diluted Concept (Share) As Of ifrs-full:ParValuePerShare
106 105 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Network

*

*

 http://www.drreddys.com/role/ConsolidatedStatementsOfComprehensiveIncome
107 Implied Table Table

*

*

 implied:Table
108 Statement of comprehensive income [abstract] Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
109 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
110 Other comprehensive income/(loss) Abstract ifrs-full:OtherComprehensiveIncomeAbstract
111 Items that will not be reclassified to the consolidated income statement: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
112 Actuarial gains/(losses) on post-employment benefit obligations Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
113 Tax on items that will not be reclassified to the consolidated income statement Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss
114 Total of items that will not be reclassified to the consolidated income statement Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax
115 Items that may be reclassified subsequently to the consolidated income statement: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
116 Changes in fair value of available for sale financial instruments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsBeforeTax
117 Foreign currency translation adjustments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationBeforeTax
118 Effective portion of changes in fair value of cash flow hedges, net Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax
119 Tax on items that may be reclassified subsequently to the consolidated income statement Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss
120 Total of items that may be reclassified subsequently to the consolidated income statement Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
121 Other comprehensive income/(loss) for the year, net of tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
122 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
123 Attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
124 Equity holders of the Company Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
125 Non-controlling interest Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
126 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
127 106 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Network

*

*

 http://www.drreddys.com/role/ConsolidatedStatementsOfChangesInEquity
128 Statement of changes in equity [table] Table

*

*

 ifrs-full:StatementOfChangesInEquityTable
129 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
130 Equity [Member] Member ifrs-full:EquityMember
131 Share capital[member] Member ifrs-full:IssuedCapitalMember
132 Share premium [member] Member ifrs-full:SharePremiumMember
133 Fair value reserve [member] Member ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember
134 Foreign currency translation reserve [member] Member ifrs-full:ReserveOfChangeInValueOfForeignCurrencyBasisSpreadsMember
135 Hedging reserve [member] Member ifrs-full:ReserveOfCashFlowHedgesMember
136 Retained Earnings [Member] Member ifrs-full:RetainedEarningsMember
137 Actuarial gains/ (losses) [Member] Member rdy:ActuarialGainsLossesMember
138 share based payments Reserve [member] Member ifrs-full:ReserveOfSharebasedPaymentsMember
139 Capital redemption reserve [Member] Member ifrs-full:CapitalRedemptionReserveMember
140 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
141 Beginning Balance Concept (Monetary) As Of Credit ifrs-full:Equity
142 Total comprehensive income Abstract ifrs-full:ComprehensiveIncomeAbstract
143 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
144 Net change in fair value of available for sale financial instruments, net of tax expense/(benefit) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax
145 Foreign currency translation adjustments, net of tax expense/(benefit) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax
146 Effective portion of changes in fair value of cash flow hedges, net of tax expense/(benefit) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesNetOfTax
147 Actuarial gain/(loss) on post-employment benefit obligations, net of tax expense/(benefit) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
148 Total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
149 Transactions with owners of the Company Abstract ifrs-full:ChangesInEquityAbstract
150 Contributions and distributions Abstract rdy:IncreaseDecreaseThroughOtherContributionsAndDistributionsByOwnersEquityAbstract
151 Issue of equity shares on exercise of options Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
152 Buyback of equity shares Concept (Monetary) For Period Debit ifrs-full:PurchaseOfTreasuryShares
153 Share-based payment expense Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
154 Dividend paid (including corporate dividend tax) Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
155 Transfer to capital redemption reserve Concept (Monetary) For Period Credit rdy:IncreaseDecreaseThroughTransferToCapitalRedemptionReserveEquity
156 Total contributions and distributions Concept (Monetary) For Period Credit rdy:IncreaseDecreaseThroughOtherContributionsAndDistributionsByOwnersEquity
157 Changes in ownership interests Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl
158 Total transactions with owners of the Company Concept (Monetary) For Period Credit ifrs-full:ChangesInEquity
159 Ending Balance Concept (Monetary) As Of Credit ifrs-full:Equity
160 107 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) Network

*

*

 http://www.drreddys.com/role/ConsolidatedStatementsOfChangesInEquityParenthetical
161 Implied Table Table

*

*

 implied:Table
162 Statement of changes in equity [abstract] Abstract ifrs-full:StatementOfChangesInEquityAbstract
163 Tax on changes in fair value of available for sale financial instruments Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToAvailableforsaleFinancialAssetsOfOtherComprehensiveIncome
164 Tax effect on foreign currency translation differences Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome
165 Tax effect on effective portion of change in fair value of cash flow hedges Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome
166 Tax effect on actuarial gains/losses on defined benefit obligations Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome
167 108 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Network

*

*

 http://www.drreddys.com/role/ConsolidatedStatementsOfCashFlows
168 Implied Table Table

*

*

 implied:Table
169 Statement of Cash Flows [Abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
170 Cash flows from/(used in) operating activities: Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
171 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
172 Adjustments for: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
173 Income tax expense Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncomeTaxExpense
174 Dividend and profit on sale of investments Concept (Monetary) For Period Credit rdy:ProfitOnSaleOfInvestments
175 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
176 Impairment loss on property, plant and equipment and other intangible assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
177 Inventory write-downs Concept (Monetary) For Period ifrs-full:InventoryWritedown2011
178 Allowance for doubtful trade and other receivables Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInAllowanceAccountForCreditLossesOfFinancialAssets
179 Loss/(profit) on sale of property, plant and equipment and other intangible assets, net Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment
180 Allowance for sales returns Concept (Monetary) For Period Debit rdy:IncreaseDecreaseInAllowanceAccountForSalesReturn
181 Share of profit of equity accounted investees Concept (Monetary) For Period Credit rdy:ShareOfProfitLossAccountedForUsingEquityMethod
182 Exchange (gain)/loss, net Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
183 Exchange loss related to Venezuela operations Concept (Monetary) For Period Debit rdy:ExchangeLossRelatedToVenezuelaOperations
184 Interest (income)/expense, net Concept (Monetary) For Period Debit rdy:AdjustmentsForInterestIncomeExpense
185 Equity settled share-based payment expense Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
186 Changes in operating assets and liabilities: Abstract rdy:ChangesInOperatingAssetsAndLiabilitiesAbstract
187 Trade and other receivables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables
188 Inventories Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
189 Trade and other payables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
190 Other assets and other liabilities Concept (Monetary) For Period Debit rdy:AdjustmentsForDecreaseIncreaseInOtherAssetsAndLiabilities
191 Cash generated from operations Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperations
192 Income tax paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidClassifiedAsOperatingActivities
193 Net cash from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
194 Cash flows from/(used in) investing activities: Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
195 Expenditures on property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
196 Proceeds from sale of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
197 Expenditures on other intangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
198 Investment in equity accounted investees Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod
199 Purchase of other investments Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
200 Proceeds from sale of other investments Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
201 Cash paid for acquisition of business, net of cash acquired Concept (Monetary) For Period Credit ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
202 Interest and dividend received Concept (Monetary) For Period Debit rdy:InterestAndDividendReceived
203 Net cash used in investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
204 Cash flows from/(used in) financing activities: Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
205 Proceeds from issuance of equity shares Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
206 Buyback of equity shares Concept (Monetary) For Period Credit ifrs-full:PaymentsToAcquireOrRedeemEntitysShares
207 Proceeds from/(repayment of) short term borrowings, net Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowings
208 Proceeds from/(repayment of) long term borrowings, net Concept (Monetary) For Period Debit rdy:ProceedsFromRepaymentsOfNoncurrentBorrowings
209 Dividend paid (including corporate dividend tax) Concept (Monetary) For Period Credit ifrs-full:DividendsPaidClassifiedAsFinancingActivities
210 Interest paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsFinancingActivities
211 Net cash used in financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
212 Net increase/(decrease) in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
213 Effect of exchange rate changes on cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
214 Cash and cash equivalents at the beginning of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
215 Cash and cash equivalents at the end of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
216 Supplemental schedule of non-cash investing and financing activities: Abstract rdy:SupplementalScheduleOfNoncashInvestingAndFinancingActivitiesAbstract
217 Investment in shares of Curis, Inc. Concept (Monetary) For Period Credit rdy:InvestmentInSharesOfCurisInc
218 Acquisition of select products portfolio of UCB Concept (Monetary) For Period Credit rdy:AcquisitionOfSelectProductsPortfolioOfUcb
219 Property, plant and equipment and intangibles purchased on credit during the year, including contingent consideration on purchase of intangibles Concept (Monetary) For Period Credit rdy:PropertyPlantAndEquipmentAndIntangiblesPurchasedOnCreditDuringYearIncludingContingentConsiderationOnPurchaseOfIntangibles
220 Property, plant and equipment purchased under capital lease Concept (Monetary) For Period Credit rdy:PropertyPlantAndEquipmentPurchasedUnderCapitalLease
221 109 - Disclosure - Reporting entity Network

*

*

 http://www.drreddys.com/role/ReportingEntity
222 Implied Table Table

*

*

 implied:Table
223 Description Of Business [Abstract] Abstract rdy:DescriptionOfBusinessAbstract
224 Disclosure Of Nature Of Business Explanatory Concept (Text Block (HTML)) For Period rdy:DisclosureOfNatureOfBusinessExplanatoryTextBlock
225 110 - Disclosure - Basis of preparation of financial statements Network

*

*

 http://www.drreddys.com/role/BasisOfPreparationOfFinancialStatements
226 Implied Table Table

*

*

 implied:Table
227 Basis of preparation of financial statements [Abstract] Abstract rdy:BasisOfPreparationOfFinancialStatementsAbstract
228 Basis of preparation of financial statements Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
229 111 - Disclosure - Significant accounting policies Network

*

*

 http://www.drreddys.com/role/SignificantAccountingPolicies
230 Implied Table Table

*

*

 implied:Table
231 Disclosure Of Summary Of Significant Accounting Policies Explanatory [Abstract] Abstract rdy:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryAbstract
232 Significant accounting policies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
233 112 - Disclosure - Determination of fair values Network

*

*

 http://www.drreddys.com/role/DeterminationOfFairValues
234 Implied Table Table

*

*

 implied:Table
235 Disclosure Of Fair Value Measurement Of Assets And Liabilities [Abstract] Abstract rdy:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesAbstract
236 Disclosure Of Fair Value Measurement Of Assets And Liabilities Explanatory Concept (Text Block (HTML)) For Period rdy:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTextBlock
237 113 - Disclosure - Segment reporting Network

*

*

 http://www.drreddys.com/role/SegmentReporting
238 Implied Table Table

*

*

 implied:Table
239 Disclosure of operating segments [abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
240 Segment reporting Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
241 114 - Disclosure - Property, plant and equipment Network

*

*

 http://www.drreddys.com/role/PropertyPlantAndEquipment
242 Implied Table Table

*

*

 implied:Table
243 Disclosure of detailed information about property, plant and equipment [abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
244 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
245 115 - Disclosure - Goodwill Network

*

*

 http://www.drreddys.com/role/Goodwill
246 Implied Table Table

*

*

 implied:Table
247 Disclosure of reconciliation of changes in goodwill [abstract] Abstract ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillAbstract
248 Goodwill Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGoodwillExplanatory
249 116 - Disclosure - Other intangible assets Network

*

*

 http://www.drreddys.com/role/OtherIntangibleAssets
250 Implied Table Table

*

*

 implied:Table
251 Disclosure of detailed information about intangible assets [abstract] Abstract ifrs-full:DisclosureOfIntangibleAssetsAbstract
252 Other intangible assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsExplanatory
253 117 - Disclosure - Investment in equity accounted investees Network

*

*

 http://www.drreddys.com/role/InvestmentInEquityAccountedInvestees
254 Implied Table Table

*

*

 implied:Table
255 Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] Abstract ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodAbstract
256 Investment in equity accounted investees Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory
257 118 - Disclosure - Other investments Network

*

*

 http://www.drreddys.com/role/OtherInvestments
258 Implied Table Table

*

*

 implied:Table
259 Disclosure of investments other than investments accounted for using equity method [Abstract] Abstract rdy:DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodAbstract
260 Other investments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory
261 119 - Disclosure - Inventories Network

*

*

 http://www.drreddys.com/role/Inventories
262 Implied Table Table

*

*

 implied:Table
263 Classes of current inventories [abstract] Abstract ifrs-full:ClassesOfInventoriesAbstract
264 Inventories Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInventoriesExplanatory
265 120 - Disclosure - Trade and other receivables Network

*

*

 http://www.drreddys.com/role/TradeAndOtherReceivables
266 Implied Table Table

*

*

 implied:Table
267 Trade and other receivables [abstract] Abstract ifrs-full:TradeAndOtherReceivablesAbstract
268 Trade and other receivables Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
269 121 - Disclosure - Other assets Network

*

*

 http://www.drreddys.com/role/OtherAssets
270 Implied Table Table

*

*

 implied:Table
271 Assets [Abstract] Abstract ifrs-full:AssetsAbstract
272 Other assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherAssetsExplanatory
273 122 - Disclosure - Cash and cash equivalents Network

*

*

 http://www.drreddys.com/role/CashAndCashEquivalents
274 Implied Table Table

*

*

 implied:Table
275 Cash and Cash Equivalents [Abstract] Abstract ifrs-full:CashAndCashEquivalentsAbstract
276 Cash and cash equivalents Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
277 123 - Disclosure - Equity Network

*

*

 http://www.drreddys.com/role/Equity
278 Implied Table Table

*

*

 implied:Table
279 Disclosure of Share Capital Explanatory [Abstract] Abstract rdy:DisclosureOfShareCapitalExplanatoryAbstract
280 Equity Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory
281 124 - Disclosure - Earnings per share Network

*

*

 http://www.drreddys.com/role/EarningsPerShare
282 Implied Table Table

*

*

 implied:Table
283 Basic and diluted earnings per share [abstract] Abstract ifrs-full:BasicAndDilutedEarningsPerShareAbstract
284 Earnings per share Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
285 125 - Disclosure - Loans and borrowings Network

*

*

 http://www.drreddys.com/role/LoansAndBorrowings
286 Implied Table Table

*

*

 implied:Table
287 Borrowings [abstract] Abstract ifrs-full:BorrowingsAbstract
288 Loans and borrowings Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBorrowingsExplanatory
289 126 - Disclosure - Employee benefits Network

*

*

 http://www.drreddys.com/role/EmployeeBenefits
290 Implied Table Table

*

*

 implied:Table
291 Disclosure of defined benefit plans [abstract] Abstract ifrs-full:DisclosureOfDefinedBenefitPlansAbstract
292 Employee benefits Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
293 127 - Disclosure - Employee stock incentive plans Network

*

*

 http://www.drreddys.com/role/EmployeeStockIncentivePlans
294 Implied Table Table

*

*

 implied:Table
295 Disclosure Of Share based Payment Arrangement [Abstract] Abstract rdy:DisclosureOfShareBasedPaymentArrangementAbstract
296 Employee stock incentive plans Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory
297 128 - Disclosure - Provisions Network

*

*

 http://www.drreddys.com/role/Provisions
298 Implied Table Table

*

*

 implied:Table
299 Disclosure of other provisions [abstract] Abstract ifrs-full:DisclosureOfOtherProvisionsAbstract
300 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherProvisionsExplanatory
301 129 - Disclosure - Trade and other payables Network

*

*

 http://www.drreddys.com/role/TradeAndOtherPayables
302 Implied Table Table

*

*

 implied:Table
303 Trade and other payables [abstract] Abstract ifrs-full:TradeAndOtherPayablesAbstract
304 Trade and other payables Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
305 130 - Disclosure - Other liabilities Network

*

*

 http://www.drreddys.com/role/OtherLiabilities
306 Implied Table Table

*

*

 implied:Table
307 Disclosure of Other Liabilities [Abstract] Abstract rdy:DisclosureOfOtherLiabilitiesAbstract
308 Other liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherLiabilitiesExplanatory
309 131 - Disclosure - Revenue Network

*

*

 http://www.drreddys.com/role/Revenue
310 Implied Table Table

*

*

 implied:Table
311 Revenue [abstract] Abstract ifrs-full:RevenueAbstract
312 Revenue Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRevenueExplanatory
313 132 - Disclosure - Other (income)/expense, net Network

*

*

 http://www.drreddys.com/role/OtherIncomeexpenseNet
314 Implied Table Table

*

*

 implied:Table
315 Other operating income expense [Abstract] Abstract rdy:OtherOperatingIncomeExpenseAbstract
316 Other (income)/expense, net Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory
317 133 - Disclosure - Finance (expense)/income, net Network

*

*

 http://www.drreddys.com/role/FinanceExpenseincomeNet
318 Implied Table Table

*

*

 implied:Table
319 Finance expense income [Abstract] Abstract rdy:FinanceExpenseIncomeAbstract
320 Finance (expense)/income, net Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
321 134 - Disclosure - Income taxes Network

*

*

 http://www.drreddys.com/role/IncomeTaxes
322 Implied Table Table

*

*

 implied:Table
323 Disclosure of income tax [Abstract] Abstract rdy:DisclosureOfIncomeTaxAbstract
324 Income taxes Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
325 135 - Disclosure - Operating leases Network

*

*

 http://www.drreddys.com/role/OperatingLeases
326 Implied Table Table

*

*

 implied:Table
327 Disclosure of operating lease by lessee [Abstract] Abstract rdy:DisclosureOfOperatingLeaseByLesseeAbstract
328 Disclosure Of Operating Lease By Lessee Explanatory Concept (Text Block (HTML)) For Period rdy:DisclosureOfOperatingLeaseByLesseeExplanatoryTextBlock
329 136 - Disclosure - Related parties Network

*

*

 http://www.drreddys.com/role/RelatedParties
330 Implied Table Table

*

*

 implied:Table
331 Disclosure of transactions between related parties [abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
332 Related parties Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
333 137 - Disclosure - Financial instruments Network

*

*

 http://www.drreddys.com/role/FinancialInstruments
334 Implied Table Table

*

*

 implied:Table
335 Disclosure of detailed information about financial instruments [abstract] Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
336 Financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsExplanatory
337 138 - Disclosure - Financial risk management Network

*

*

 http://www.drreddys.com/role/FinancialRiskManagement
338 Implied Table Table

*

*

 implied:Table
339 Financial risk management [Abstract] Abstract rdy:FinancialRiskManagementAbstract
340 Financial risk management Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
341 139 - Disclosure - Collaboration agreement with Curis, Inc. Network

*

*

 http://www.drreddys.com/role/CollaborationAgreementWithCurisInc
342 Schedule of Intangible Assets Acquired as Part of Business Combination [Table] Table

*

*

 rdy:ScheduleOfIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable
343 Name Party involved in Transaction [Axis] Axis rdy:NamePartyInvolvedInTransactionAxis
344 Name Party involved in Transaction [Domain] Member rdy:NamePartyInvolvedInTransactionDomain
345 Curis, Inc. [Member] Member rdy:CurisIncMember
346 Collaboration Agreement [Line Items] LineItems rdy:CollaborationAgreementLineItems
347 Collaboration agreement with Curis, Inc. Concept (Text Block (HTML)) For Period rdy:CollaborationAgreementTextBlock
348 140 - Disclosure - Agreement with Merck Serono Network

*

*

 http://www.drreddys.com/role/AgreementWithMerckSerono
349 Schedule of Intangible Assets Acquired as Part of Business Combination [Table] Table

*

*

 rdy:ScheduleOfIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable
350 Name Party involved in Transaction [Axis] Axis rdy:NamePartyInvolvedInTransactionAxis
351 Name Party involved in Transaction [Domain] Member rdy:NamePartyInvolvedInTransactionDomain
352 Merck KGaA [Member] Member rdy:MerckKgaaMember
353 Collaboration Agreement [Line Items] LineItems rdy:CollaborationAgreementLineItems
354 Agreement with Merck Serono Concept (Text Block (HTML)) For Period rdy:CollaborationAgreementTextBlock
355 141 - Disclosure - Asset purchase agreement with Teva Pharmaceutical Industries Limited Network

*

*

 http://www.drreddys.com/role/AssetPurchaseAgreementWithTevaPharmaceuticalIndustriesLimited
356 Disclosure of Asset purchase agreement with Teva Pharmaceutical Industries Limited [Table] Table

*

*

 rdy:DisclosureOfAssetPurchaseAgreementWithTevaPharmaceuticalIndustriesLimitedTable
357 Teva Pharmaceutical Industries Ltd [Axis] Axis rdy:TevaPharmaceuticalIndustriesLtdAxis
358 Teva Pharmaceutical Industries Ltd [Domain] Member rdy:TevaPharmaceuticalIndustriesLtdDomain
359 Teva Pharmaceutical Industries Ltd [Member] Member rdy:TevaPharmaceuticalIndustriesLtdMember
360 Disclosure Of Asset Purchase Agreement [Line Items] LineItems rdy:DisclosureOfAssetPurchaseAgreementLineItems
361 Disclosure Of Asset Purchase Agreement [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfAssetPurchaseAgreementTextBlock
362 142 - Disclosure - Significant asset purchase agreements Network

*

*

 http://www.drreddys.com/role/SignificantAssetPurchaseAgreements
363 Disclosure of Significant asset purchase agreements [Table] Table

*

*

 rdy:DisclosureOfSignificantAssetPurchaseAgreementsTable
364 Significant asset purchase agreements [Axis] Axis rdy:SignificantAssetPurchaseAgreementsAxis
365 Significant asset purchase agreements [Domain] Member rdy:SignificantAssetPurchaseAgreementsDomain
366 Significant asset purchase agreements [Member] Member rdy:SignificantAssetPurchaseAgreementsMember
367 Disclosure of Significant asset purchase agreements [Line Items] LineItems rdy:DisclosureOfSignificantAssetPurchaseAgreementLineItems
368 Disclosure Of Asset Purchase Agreement [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfAssetPurchaseAgreementTextBlock
369 143 - Disclosure - Significant out-licensing agreements Network

*

*

 http://www.drreddys.com/role/SignificantOutlicensingAgreements
370 Implied Table Table

*

*

 implied:Table
371 Disclosure Of Significant Out-Licensing Agreements [Abstract] Abstract rdy:DisclosureOfSignificantOutlicensingAgreementsAbstract
372 Disclosure Of Significant Out-Licensing Agreements Explanatory [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfSignificantOutlicensingAgreementsExplanatoryTextBlock
373 144 - Disclosure - Receipt of warning letter from the U.S. FDA Network

*

*

 http://www.drreddys.com/role/ReceiptOfWarningLetterFromUsFda
374 The Inspection By Regulatory Authority [Table] Table

*

*

 rdy:InspectionByRegulatoryAuthorityTable
375 Regulatory Authority [Axis] Axis rdy:RegulatoryAuthorityAxis
376 Regulatory Authority [Domain] Member rdy:RegulatoryAuthorityDomain
377 U.S. FDA [Member] Member rdy:UsFdaMember
378 Inspection By Regulatory Authority [Line Items] LineItems rdy:InspectionByRegulatoryAuthorityLineItems
379 Disclosure Of Inspection By Regulatory Authority Explanatory Concept (Text Block (HTML)) For Period rdy:DisclosureOfInspectionByRegulatoryAuthorityExplanatory
380 145 - Disclosure - Inspection by the regulatory authority of Bavaria, Germany Network

*

*

 http://www.drreddys.com/role/InspectionByRegulatoryAuthorityOfBavariaGermany
381 The Inspection By Regulatory Authority [Table] Table

*

*

 rdy:InspectionByRegulatoryAuthorityTable
382 Regulatory Authority [Axis] Axis rdy:RegulatoryAuthorityAxis
383 Regulatory Authority [Domain] Member rdy:RegulatoryAuthorityDomain
384 Bavaria, Germany [Member] Member rdy:BavariaGermanyMember
385 Inspection By Regulatory Authority [Line Items] LineItems rdy:InspectionByRegulatoryAuthorityLineItems
386 Disclosure Of Inspection By Regulatory Authority Explanatory Concept (Text Block (HTML)) For Period rdy:DisclosureOfInspectionByRegulatoryAuthorityExplanatory
387 146 - Disclosure - Venezuela subsidiary operations Network

*

*

 http://www.drreddys.com/role/VenezuelaSubsidiaryOperations
388 Disclosure of Impact of Exchange Rate Overhaul [Table] Table

*

*

 rdy:DisclosureOfImpactOfExchangeRateOverhaulTable
389 Geographical [Axis] Axis us-gaap:StatementGeographicalAxis
390 Geographical [Domain] Member us-gaap:SegmentGeographicalDomain
391 VENEZUELA [member] Member country:VE
392 Disclosure of Impact of Exchange Rate Overhaul [Line Items] LineItems rdy:DisclosureOfImpactOfExchangeRateOverhaulLineItems
393 Disclosure of impact of exchange rate overhaul [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfImpactOfExchangeRateOverhaulTextBlock
394 147 - Disclosure - Contingencies Network

*

*

 http://www.drreddys.com/role/Contingencies
395 Implied Table Table

*

*

 implied:Table
396 Disclosure of contingent liabilities [abstract] Abstract ifrs-full:DisclosureOfContingentLiabilitiesAbstract
397 Contingencies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfContingentLiabilitiesExplanatory
398 148 - Disclosure - Nature of Expense Network

*

*

 http://www.drreddys.com/role/NatureOfExpense
399 Implied Table Table

*

*

 implied:Table
400 Expenses by nature [abstract] Abstract ifrs-full:ExpenseByNatureAbstract
401 Nature of Expense Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExpensesByNatureExplanatory
402 149 - Disclosure - Change in the functional currency of a foreign operation Network

*

*

 http://www.drreddys.com/role/ChangeInFunctionalCurrencyOfForeignOperation
403 Change in the functional currency of a foreign operation [Table] Table

*

*

 rdy:ChangeInFunctionalCurrencyOfForeignOperationTable
404 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
405 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
406 Change in the functional currency of a foreign operation [Line Items] LineItems rdy:ChangeInFunctionalCurrencyOfForeignOperationLineItems
407 Change in the functional currency of a foreign operation Concept (Text Block (HTML)) For Period rdy:ChangeInFunctionalCurrencyOfForeignOperationTextBlock
408 150 - Disclosure - Subsequent events Network

*

*

 http://www.drreddys.com/role/SubsequentEvents
409 Implied Table Table

*

*

 implied:Table
410 Disclosure Of Events After Reporting Period [Abstract] Abstract rdy:DisclosureOfEventsAfterReportingPeriodAbstract
411 Subsequent events Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory
412 151 - Disclosure - Organizational structure Network

*

*

 http://www.drreddys.com/role/OrganizationalStructure
413 Implied Table Table

*

*

 implied:Table
414 Disclosure Of Significant Investments In Subsidiaries Associates And Joint Ventures [Abstract] Abstract rdy:DisclosureOfSignificantInvestmentsInSubsidiariesAssociatesAndJointVenturesAbstract
415 Disclosure Of Significant Investments In Subsidiaries Associates And Joint Ventures Explanatory [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfSignificantInvestmentsInSubsidiariesAssociatesAndJointVenturesExplanatoryTextBlock
416 152 - Disclosure - Basis of preparation of financial statements (Policies) Network

*

*

 http://www.drreddys.com/role/BasisOfPreparationOfFinancialStatementsPolicies
417 Implied Table Table

*

*

 implied:Table
418 Basis of preparation of financial statements [Abstract] Abstract rdy:BasisOfPreparationOfFinancialStatementsAbstract
419 Statement of compliance Concept (Text Block (HTML)) For Period ifrs-full:StatementOfIFRSCompliance
420 Basis of measurement Concept (Text Block (HTML)) For Period ifrs-full:ExplanationOfMeasurementBasesUsedInPreparingFinancialStatements
421 Functional and presentation currency Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory
422 Convenience translation (unaudited) Concept (Text Block (HTML)) For Period rdy:DescriptionOfConvenienceTranslationIntoUsDollarsTextBlockTextBlock
423 Use of estimates and judgments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory
424 153 - Disclosure - Significant accounting policies (Policies) Network

*

*

 http://www.drreddys.com/role/SignificantAccountingPoliciesPolicies
425 Implied Table Table

*

*

 implied:Table
426 Significant accounting policies [Abstract] Abstract rdy:SignificantAccountingPoliciesAbstract
427 Basis of consolidation Concept (Text Block (HTML)) For Period rdy:DisclosureOfBasisOfConsolidationExplanatoryPolicyTextBlock
428 Foreign currency Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
429 Financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
430 Business combinations Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory
431 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
432 Goodwill and other intangible assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory
433 Leases Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
434 Inventories Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
435 Impairment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory
436 Employee benefits Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
437 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
438 Revenue Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
439 Shipping and handling costs Concept (Text Block (HTML)) For Period rdy:DescriptionOfAccountingPolicyForShippingAndHandlingCostTextBlockTextBlock
440 Finance income and expense Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory
441 Income tax Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
442 Earnings per share Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
443 Government grants Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForGovernmentGrants
444 Segment Reporting Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSegmentReportingExplanatory
445 Recent accounting pronouncements Concept (Text Block (HTML)) For Period rdy:DescriptionOfAccountingPolicyRecentAccountingPronouncementsTextBlockTextBlock
446 Share capital Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIssuedCapitalExplanatory
447 154 - Disclosure - Significant accounting policies (Tables) Network

*

*

 http://www.drreddys.com/role/SignificantAccountingPoliciesTables
448 Implied Table Table

*

*

 implied:Table
449 Significant Of accounting policies [Abstract] Abstract rdy:SignificantOfAccountingPoliciesAbstract
450 Disclosure of useful lives or depreciation rates, property, plant and equipment [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfUsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentTableTextBlock
451 Disclosure of useful lives or amortisation rates, intangible assets other than goodwill [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfUsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillTableTextBlock
452 155 - Disclosure - Segment reporting (Tables) Network

*

*

 http://www.drreddys.com/role/SegmentReportingTables
453 Implied Table Table

*

*

 implied:Table
454 Disclosure of operating segments [abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
455 Disclosure of operating segments [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfOperatingSegmentsTableTextBlock
456 Disclosure of geographical areas [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfGeographicalAreasTableTextBlock
457 Disclosure of operating segments - Global Generics [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfOperatingSegmentsGlobalGenericsTableTextBlock
458 Disclosure of operating segments - PSAI [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfOperatingSegmentsPsaiTableTextBlock
459 Disclosure of analysis of assets by geography [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfAnalysisOfAssetsByGeographyTableTextBlock
460 Disclosure Of Distribution Of Companys Property Plant And Equipment Acquired By Country [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDistributionOfCompanysPropertyPlantAndEquipmentAcquiredByCountryTableTextBlock
461 Disclosure of Analysis of depreciation and amortization, included in cost of revenues [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfAnalysisOfDepreciationAndAmortizationIncludedInCostOfRevenuesTableTextBlock
462 156 - Disclosure - Property, plant and equipment (Tables) Network

*

*

 http://www.drreddys.com/role/PropertyPlantAndEquipmentTables
463 Implied Table Table

*

*

 implied:Table
464 Disclosure of detailed information about property, plant and equipment [abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
465 Disclosure of detailed information about property plant and equipment explanatory [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatoryTextBlock
466 157 - Disclosure - Goodwill (Tables) Network

*

*

 http://www.drreddys.com/role/GoodwillTables
467 Implied Table Table

*

*

 implied:Table
468 Disclosure of reconciliation of changes in goodwill [abstract] Abstract ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillAbstract
469 Disclosure of reconciliation of changes in goodwill [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfReconciliationOfChangesInGoodwillTableTextBlock
470 Disclosure of Information for Cash generating Units [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfInformationForCashGeneratingUnitsTableTextBlock
471 158 - Disclosure - Other intangible assets (Tables) Network

*

*

 http://www.drreddys.com/role/OtherIntangibleAssetsTables
472 Implied Table Table

*

*

 implied:Table
473 Disclosure of detailed information about intangible assets [abstract] Abstract ifrs-full:DisclosureOfIntangibleAssetsAbstract
474 Disclosure of detailed information about intangible assets explanatory [text block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatoryTextBlock
475 Disclosure of detailed information about intangible assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory
476 Disclosure of detailed information about amortization of other intangible assets [text block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDetailedInformationAboutAmortizationOfOtherIntangibleAssetsTextBlock
477 Disclosure of detailed information about impairment loss on other intangible assets [text block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDetailedInformationAboutImpairmentLossOnOtherIntangibleAssetsTextBlock
478 159 - Disclosure - Investment in equity accounted investees (Tables) Network

*

*

 http://www.drreddys.com/role/InvestmentInEquityAccountedInvesteesTables
479 Implied Table Table

*

*

 implied:Table
480 Investments accounted for using equity method [Abstract] Abstract rdy:InvestmentsAccountedForUsingEquityMethodAbstract
481 Investments accounted for using equity method [Table Text Block] Concept (Text Block (HTML)) For Period rdy:InvestmentsAccountedForUsingEquityMethodTableTextBlock
482 160 - Disclosure - Other investments (Tables) Network

*

*

 http://www.drreddys.com/role/OtherInvestmentsTables
483 Implied Table Table

*

*

 implied:Table
484 Disclosure of investments other than investments accounted for using equity method [Abstract] Abstract rdy:DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodAbstract
485 Disclosure of investments other than investments accounted for using equity method [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodTableTextBlock
486 161 - Disclosure - Inventories (Tables) Network

*

*

 http://www.drreddys.com/role/InventoriesTables
487 Implied Table Table

*

*

 implied:Table
488 Classes of current inventories [abstract] Abstract ifrs-full:ClassesOfInventoriesAbstract
489 Disclosure of detailed information about inventories [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDetailedInformationAboutInventoriesTextBlock
490 Disclosure of detail information about of inventories recognized in consolidated income statement [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDetailInformationAboutOfInventoriesRecognizedInConsolidatedIncomeStatementTextBlock
491 162 - Disclosure - Trade and other receivables (Tables) Network

*

*

 http://www.drreddys.com/role/TradeAndOtherReceivablesTables
492 Implied Table Table

*

*

 implied:Table
493 Trade and other receivables [abstract] Abstract ifrs-full:TradeAndOtherReceivablesAbstract
494 Trade And Other Receivables [Table Text Block] Concept (Text Block (HTML)) For Period rdy:TradeAndOtherReceivablesTableTextBlock
495 Allowance For Doubtful Trade Receivable [Table Text Block] Concept (Text Block (HTML)) For Period rdy:AllowanceForDoubtfulTradeReceivableTableTextBlock
496 163 - Disclosure - Other assets (Tables) Network

*

*

 http://www.drreddys.com/role/OtherAssetsTables
497 Implied Table Table

*

*

 implied:Table
498 Assets [Abstract] Abstract ifrs-full:AssetsAbstract
499 Disclosure Of Detailed Information About Other Assets [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDetailedInformationAboutOtherAssetsTableTextBlock
500 164 - Disclosure - Cash and cash equivalents (Tables) Network

*

*

 http://www.drreddys.com/role/CashAndCashEquivalentsTables
501 Implied Table Table

*

*

 implied:Table
502 Cash and Cash Equivalents [Abstract] Abstract ifrs-full:CashAndCashEquivalentsAbstract
503 Cash And Cash Equivalents [Text Block] Concept (Text Block (HTML)) For Period rdy:CashAndCashEquivalentsTableTableTextBlock
504 165 - Disclosure - Equity (Tables) Network

*

*

 http://www.drreddys.com/role/EquityTables
505 Implied Table Table

*

*

 implied:Table
506 Disclosure of classes of share capital [abstract] Abstract ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
507 Disclosure Of Classes Of Share Capital [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfClassesOfShareCapitalTableTextBlock
508 Disclosure of detailed information about dividends [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDetailedInformationAboutDividendsTableTextBlock
509 166 - Disclosure - Earnings per share (Tables) Network

*

*

 http://www.drreddys.com/role/EarningsPerShareTables
510 Implied Table Table

*

*

 implied:Table
511 Basic and diluted earnings per share [abstract] Abstract ifrs-full:BasicAndDilutedEarningsPerShareAbstract
512 Basic Earnings Per Share [Table Text Block] Concept (Text Block (HTML)) For Period rdy:BasicEarningsPerShareTableTextBlock
513 Diluted Earnings Per Share [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DilutedEarningsPerShareTableTextBlock
514 167 - Disclosure - Loans and borrowings (Tables) Network

*

*

 http://www.drreddys.com/role/LoansAndBorrowingsTables
515 Implied Table Table

*

*

 implied:Table
516 Disclosure of detailed information about borrowings [abstract] Abstract ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
517 Disclosure of Short Term Borrowings [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfShortTermBorrowingsTableTextBlock
518 Disclosure of Interest Rate Profile of Short Term Borrowings [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfInterestRateProfileOfShortTermBorrowingsTableTextBlock
519 Disclosure of Long Term Borrowings [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfLongTermBorrowingsTableTextBlock
520 Disclosure of interest rate profile of long-term borrowings [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfInterestRateProfileOfLongtermBorrowingsTableTextBlock
521 Disclosure of Contractual maturities of Long Term Borrowings [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfContractualMaturitiesOfLongTermBorrowingsTableTextBlock
522 Disclosure of Future minimum lease payments under finance leases [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfFutureMinimumLeasePaymentsUnderFinanceLeasesTableTextBlock
523 Disclosure of reconciliation of liabilities arising from financing activities [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory
524 168 - Disclosure - Employee benefits (Tables) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsTables
525 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
526 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
527 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
528 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
529 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
530 Parent Company Gratuity plan [Member] Member rdy:ParentCompanyGratuityPlanMember
531 Industrias Quimicas Falcon de Mexico Pension plan [Member] Member rdy:IndustriasQuimicasFalconDeMexicoPensionPlanMember
532 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
533 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
534 Disclosure of net defined benefit liability (asset) [line items] LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
535 Disclosure of net defined benefit liability (asset) [abstract] Abstract ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetAbstract
536 Disclosure of Expected future Cash Flows in respect of Pension Plans [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfExpectedFutureCashFlowsInRespectOfPensionPlansTableTextBlock
537 Disclosure of net defined benefit liability (asset) [Table Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory
538 Disclosure Of Expected Future Cash Flows In Respect Of Post-employment Benefits [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfExpectedFutureCashFlowsInRespectOfPostemploymentBenefitsTextBlock
539 Disclosure of sensitivity analysis for actuarial assumptions [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory
540 Disclosure of changes in the present value of defined benefit obligations [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureofChangesInPresentValueOfDefinedBenefitObligationsTableTextBlock
541 Disclosure of fair value of plan assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueOfPlanAssetsExplanatory
542 Disclosure of assumptions used to determine benefit obligations [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfAssumptionsUsedToDetermineBenefitObligationsTableTextBlock
543 Disclosure of assumptions used to determine the defined benefit cost [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfAssumptionsUsedToDetermineDefinedBenefitCostTableTextBlock
544 Disclosure of Disaggregation of Plan Assets [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDisaggregationOfPlanAssetsTableTextBlock
545 Pension Cost Recognised in Income Statement [Table Text Block] Concept (Text Block (HTML)) For Period rdy:PensionCostRecognisedInIncomeStatementTableTextBlock
546 Cost Recognized in the Income Statement [Text Block] Concept (Text Block (HTML)) For Period rdy:CostRecognizedInIncomeStatementTextBlock
547 169 - Disclosure - Employee stock incentive plans (Tables) Network

*

*

 http://www.drreddys.com/role/EmployeeStockIncentivePlansTables
548 Employee stock incentive plans [Table] Table

*

*

 rdy:EmployeeStockIncentivePlansTable
549 DRL 2007 Plan [Axis] Axis rdy:Drl2007PlanAxis
550 DRL 2007 Plan [Domain] Member rdy:Drl2007PlanDomain
551 DRL 2007 Plans [Member] Member rdy:Drl2007PlansMember
552 DRL 2002 Plan [Axis] Axis rdy:Drl2002PlanAxis
553 DRL 2002 Plan [Domain] Member rdy:Drl2002PlanDomain
554 DRL 2002 Plan [Member] Member rdy:Drl2002PlanMember
555 Disclosure Employee stock incentive plans [Line Items] LineItems rdy:DisclosureEmployeeStockIncentivePlansLineItems
556 Disclosure of terms and conditions of share-based payment arrangement [abstract] Abstract ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
557 Disclosure of Number of Options Reserved [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfNumberOfOptionsReservedTableTextBlock
558 Disclosure Of Number Of Share Options, Weighted Average Exercise Price, Range Of Exercise Prices And Weighted Average Remaining Contractual Life [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfNumberOfShareOptionsWeightedAverageExercisePriceRangeOfExercisePricesAndWeightedAverageRemainingContractualLifeTextBlock
559 Schedule of weighted average inputs of fair value of options granted [Text Block] Concept (Text Block (HTML)) For Period rdy:ScheduleOfWeightedAverageInputsOfFairValueOfOptionsGrantedTableTextBlock
560 Disclosure of detailed information about share based payment expense [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDetailedInformationAboutShareBasedPaymentExpenseTextBlock
561 170 - Disclosure - Provisions (Tables) Network

*

*

 http://www.drreddys.com/role/ProvisionsTables
562 Implied Table Table

*

*

 implied:Table
563 Disclosure of other provisions [abstract] Abstract ifrs-full:DisclosureOfOtherProvisionsAbstract
564 Disclosure of Provision [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfProvisionTableTextBlock
565 171 - Disclosure - Trade and other payables (Tables) Network

*

*

 http://www.drreddys.com/role/TradeAndOtherPayablesTables
566 Implied Table Table

*

*

 implied:Table
567 Trade and other payables [abstract] Abstract ifrs-full:TradeAndOtherPayablesAbstract
568 Trade And Other Payables [Table Text Block] Concept (Text Block (HTML)) For Period rdy:TradeAndOtherPayablesTableTextBlock
569 172 - Disclosure - Other liabilities (Tables) Network

*

*

 http://www.drreddys.com/role/OtherLiabilitiesTables
570 Implied Table Table

*

*

 implied:Table
571 Miscellaneous liabilities [abstract] Abstract ifrs-full:MiscellaneousLiabilitiesAbstract
572 Schedule Of Other Liabilities [Table Text Block] Concept (Text Block (HTML)) For Period rdy:ScheduleOfOtherLiabilitiesTableTextBlock
573 173 - Disclosure - Revenue (Tables) Network

*

*

 http://www.drreddys.com/role/RevenueTables
574 Implied Table Table

*

*

 implied:Table
575 Revenue [abstract] Abstract ifrs-full:RevenueAbstract
576 Schedule Of Revenue [Table Text Block] Concept (Text Block (HTML)) For Period rdy:ScheduleOfRevenueTableTextBlock
577 174 - Disclosure - Other (income)/expense, net (Tables) Network

*

*

 http://www.drreddys.com/role/OtherIncomeexpenseNetTables
578 Implied Table Table

*

*

 implied:Table
579 Other operating income expense [Abstract] Abstract rdy:OtherOperatingIncomeExpenseAbstract
580 Other operating income expense [Table Text Block] Concept (Text Block (HTML)) For Period rdy:OtherOperatingIncomeExpenseTableTextBlock
581 175 - Disclosure - Finance (expense)/income, net (Tables) Network

*

*

 http://www.drreddys.com/role/FinanceExpenseincomeNetTables
582 Implied Table Table

*

*

 implied:Table
583 Finance expense income [Abstract] Abstract rdy:FinanceExpenseIncomeAbstract
584 Schedule of finance expense income [Table Text Block] Concept (Text Block (HTML)) For Period rdy:ScheduleOfFinanceExpenseIncomeTableTextBlock
585 176 - Disclosure - Income taxes (Tables) Network

*

*

 http://www.drreddys.com/role/IncomeTaxesTables
586 Implied Table Table

*

*

 implied:Table
587 Disclosure of income tax [Abstract] Abstract rdy:DisclosureOfIncomeTaxAbstract
588 Disclosure of income tax [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfIncomeTaxTableTextBlock
589 Current and deferred tax relating to items charged or credited directly to equity [Table Text Block] Concept (Text Block (HTML)) For Period rdy:CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquityTableTextBlock
590 Reconciliation Between Enacted and Effective Tax Rates [Table Text Block] Concept (Text Block (HTML)) For Period rdy:ReconciliationBetweenEnactedAndEffectiveTaxRatesTableTextBlock
591 Disclosure of Unrecognised Deferred Tax Assets and Liabilities [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfUnrecognisedDeferredTaxAssetsAndLiabilitiesTableTextBlock
592 Disclosure of Tax Effects of Significant Temporary Differences That Resulted In Deferred Tax [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfTaxEffectsOfSignificantTemporaryDifferencesThatResultedInDeferredTaxTableTextBlock
593 Disclosure Of Movement in deferred tax assets and liabilities [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfMovementInDeferredTaxAssetsAndLiabilitiesTableTextBlock
594 177 - Disclosure - Operating leases (Tables) Network

*

*

 http://www.drreddys.com/role/OperatingLeasesTables
595 Implied Table Table

*

*

 implied:Table
596 Disclosure of operating lease by lessee [Abstract] Abstract rdy:DisclosureOfOperatingLeaseByLesseeAbstract
597 Minimum Rental Payments Payable Under Noncancellable Operating Lease [Table Text Block] Concept (Text Block (HTML)) For Period rdy:MinimumRentalPaymentsPayableUnderNoncancellableOperatingLeaseTableTextBlock
598 178 - Disclosure - Related parties (Tables) Network

*

*

 http://www.drreddys.com/role/RelatedPartiesTables
599 Implied Table Table

*

*

 implied:Table
600 Disclosure of transactions between related parties [abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
601 Disclosure of transactions between related parties [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
602 Schedule of outstanding balances for related party transactions [Table Text Block] Concept (Text Block (HTML)) For Period rdy:ScheduleOfOutstandingBalancesForRelatedPartyTransactionsTableTextBlock
603 Disclosure Of Compensation Paid Or Payable To Key Management Personnel [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfCompensationPaidOrPayableToKeyManagementPersonnelTableTextBlock
604 179 - Disclosure - Financial instruments (Tables) Network

*

*

 http://www.drreddys.com/role/FinancialInstrumentsTables
605 Implied Table Table

*

*

 implied:Table
606 Disclosure of detailed information about financial instruments [abstract] Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
607 Carrying value and fair value of financial instruments [Table Text Block] Concept (Text Block (HTML)) For Period rdy:CarryingValueAndFairValueOfFinancialInstrumentsTableTextBlock
608 Disclosure of fair value measurement [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueMeasurementExplanatory
609 Disclosure of detailed information about of gain/loss recognized in Respect of derivative contracts [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDetailedInformationAboutOfGainlossRecognizedInRespectOfDerivativeContractsTableTextBlock
610 Disclosure of notional amount of outstanding foreign exchange derivative contracts [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfNotionalAmountOfOutstandingForeignExchangeDerivativeContractsTableTextBlock
611 Disclosure Of Detailed Information About Highly Probable Forecast Transactions Hedged Items [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDetailedInformationAboutHighlyProbableForecastTransactionsHedgedItemsTableTextBlock
612 180 - Disclosure - Financial risk management (Tables) Network

*

*

 http://www.drreddys.com/role/FinancialRiskManagementTables
613 Implied Table Table

*

*

 implied:Table
614 Disclosure Of Financial Risk Management [Abstract] Abstract rdy:DisclosureOfFinancialRiskManagementAbstract
615 Disclosure of foreign currency risk from non-derivative financial instruments [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfForeignCurrencyRiskFromNonderivativeFinancialInstrumentsTableTextBlock
616 Analysis Of Age Of Trade And Other Receivables That Are Past Due But Not Impaired [Table Text Block] Concept (Text Block (HTML)) For Period rdy:AnalysisOfAgeOfTradeAndOtherReceivablesThatArePastDueButNotImpairedTableTextBlock
617 Maturity Analysis For Financial Liabilities [Table Text Block] Concept (Text Block (HTML)) For Period rdy:MaturityAnalysisForFinancialLiabilitiesTableTextBlock
618 181 - Disclosure - Asset purchase agreement with Teva Pharmaceutical Industries Limited (Tables) Network

*

*

 http://www.drreddys.com/role/AssetPurchaseAgreementWithTevaPharmaceuticalIndustriesLimitedTables
619 Disclosure of Asset purchase agreement with Teva Pharmaceutical Industries Limited [Table] Table

*

*

 rdy:DisclosureOfAssetPurchaseAgreementWithTevaPharmaceuticalIndustriesLimitedTable
620 Teva Pharmaceutical Industries Ltd [Axis] Axis rdy:TevaPharmaceuticalIndustriesLtdAxis
621 Teva Pharmaceutical Industries Ltd [Domain] Member rdy:TevaPharmaceuticalIndustriesLtdDomain
622 Teva Pharmaceutical Industries Ltd [Member] Member rdy:TevaPharmaceuticalIndustriesLtdMember
623 Disclosure Of Asset Purchase Agreement [Line Items] LineItems rdy:DisclosureOfAssetPurchaseAgreementLineItems
624 Disclosure of details of asset purchase agreement [Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfDetailsOfAssetPurchaseAgreementTextBlock
625 182 - Disclosure - Significant asset purchase agreements (Tables) Network

*

*

 http://www.drreddys.com/role/SignificantAssetPurchaseAgreementsTables
626 Implied Table Table

*

*

 implied:Table
627 Disclosure of Significant asset purchase agreements [Abstract] Abstract rdy:DisclosureOfSignificantAssetPurchaseAgreementsAbstract
628 Detailed Information About Significant Asset purchase Agreement Explanatory [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DetailedInformationAboutSignificantAssetPurchaseAgreementExplanatoryTableTextBlock
629 183 - Disclosure - Significant out-licensing agreements (Tables) Network

*

*

 http://www.drreddys.com/role/SignificantOutlicensingAgreementsTables
630 Implied Table Table

*

*

 implied:Table
631 Disclosure Of Significant Out-Licensing Agreements [Abstract] Abstract rdy:DisclosureOfSignificantOutlicensingAgreementsAbstract
632 Detailed Information About Out-Licensing Agreement Explanatory [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DetailedInformationAboutOutlicensingAgreementExplanatoryTableTextBlock
633 184 - Disclosure - Venezuela subsidiary operations (Tables) Network

*

*

 http://www.drreddys.com/role/VenezuelaSubsidiaryOperationsTables
634 Implied Table Table

*

*

 implied:Table
635 Schedule of impact of the devaluation of venezuelan currency on the financial statements [Abstract] Abstract rdy:ScheduleOfImpactOfDevaluationOfVenezuelanCurrencyOnFinancialStatementsAbstract
636 Schedule of impact of the devaluation of venezuelan currency on the financial statements [Table Text Block] Concept (Text Block (HTML)) For Period rdy:ScheduleOfImpactOfDevaluationOfVenezuelanCurrencyOnFinancialStatementsTableTextBlock
637 185 - Disclosure - Contingencies (Tables) Network

*

*

 http://www.drreddys.com/role/ContingenciesTables
638 Implied Table Table

*

*

 implied:Table
639 Disclosure of contingent liabilities [abstract] Abstract ifrs-full:DisclosureOfContingentLiabilitiesAbstract
640 Disclosures of the show cause notices issued by Central Excise Authorities regarding distribution of input service tax credits [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosuresOfShowCauseNoticesIssuedByCentralExciseAuthoritiesRegardingDistributionOfInputServiceTaxCreditsTableTextBlock
641 Disclosure of the show cause notices issued by Commercial Taxes Department regarding VAT input credit [Table Text Block] Concept (Text Block (HTML)) For Period rdy:DisclosureOfShowCauseNoticesIssuedByCommercialTaxesDepartmentRegardingVatInputCreditTableTextBlock
642 186 - Disclosure - Nature of Expense (Tables) Network

*

*

 http://www.drreddys.com/role/NatureOfExpenseTables
643 Implied Table Table

*

*

 implied:Table
644 Expenses by nature [abstract] Abstract ifrs-full:ExpenseByNatureAbstract
645 Supplemental Information About Expense By Nature [Text Block] Concept (Text Block (HTML)) For Period rdy:SupplementalInformationAboutExpenseByNatureTextBlock
646 187 - Disclosure - Organizational structure (Tables) Network

*

*

 http://www.drreddys.com/role/OrganizationalStructureTables
647 Implied Table Table

*

*

 implied:Table
648 Interests in other entities [Abstract] Abstract rdy:InterestsInOtherEntitiesAbstract
649 Disclosure of interests in other entities [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInOtherEntitiesExplanatory
650 188 - Disclosure - Basis of preparation of financial statements (Details Textual) Network

*

*

 http://www.drreddys.com/role/BasisOfPreparationOfFinancialStatementsDetailsTextual
651 Basis of preparation of financial statements [Table] Table

*

*

 rdy:BasisOfPreparationOfFinancialStatementsTable
652 Basis Of Preparation [Axis] Axis rdy:BasisOfPreparationAxis
653 Basis Of Preparation [Domain] Member rdy:BasisOfPreparationDomain
654 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
655 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
656 Basis of preparation of financial statements [Line Items] LineItems rdy:BasisOfPreparationOfFinancialStatementsLineItems
657 Convenience Translation rate Concept (Decimal) As Of rdy:ConvenienceTranslationRate
658 189 - Disclosure - Significant accounting policies (Details) Network

*

*

 http://www.drreddys.com/role/SignificantAccountingPoliciesDetails
659 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
660 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
661 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
662 Factory and administrative buildings [Member] Member rdy:FactoryAndAdministrativeBuildingsMember
663 Ancillary structures [Member] Member rdy:AncillaryStructuresMember
664 Plant and equipment [Member] Member rdy:PlantAndEquipmentMember
665 Furniture, fixtures and office equipment [Member] Member ifrs-full:FixturesAndFittingsMember
666 Vehicles [Member] Member ifrs-full:VehiclesMember
667 Computer Equipment [Member] Member ifrs-full:ComputerEquipmentMember
668 Range [Axis] Axis ifrs-full:RangeAxis
669 Ranges [member] Member ifrs-full:RangesMember
670 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
671 Useful lives or depreciation rates, property, plant and equipment Concept (Text/String) For Period ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
672 190 - Disclosure - Significant accounting policies (Details 1) Network

*

*

 http://www.drreddys.com/role/SignificantAccountingPoliciesDetails1
673 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
674 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
675 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
676 Trademarks [Member] Member ifrs-full:BrandNamesMember
677 Product related intangibles [member] Member ifrs-full:RecipesFormulaeModelsDesignsAndPrototypesMember
678 Customer-related intangibles [Member] Member ifrs-full:CustomerrelatedIntangibleAssetsMember
679 Technology related intangibles [Member] Member ifrs-full:TechnologybasedIntangibleAssetsMember
680 Other intangibles assets [member] Member ifrs-full:OtherIntangibleAssetsMember
681 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
682 Useful lives or amortisation rates, intangible assets other than goodwill Concept (Text/String) For Period ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill
683 191 - Disclosure - Significant accounting policies (Details Textual) Network

*

*

 http://www.drreddys.com/role/SignificantAccountingPoliciesDetailsTextual
684 Significant Accounting Policies [Table] Table

*

*

 rdy:SignificantAccountingPoliciesTable
685 Property, plant and equipment by operating lease status [axis] Axis ifrs-full:PropertyPlantAndEquipmentByOperatingLeaseStatusAxis
686 Property, plant and equipment by operating lease status [member] Member ifrs-full:PropertyPlantAndEquipmentByOperatingLeaseStatusMember
687 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
688 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
689 Range [Axis] Axis ifrs-full:RangeAxis
690 Ranges [member] Member ifrs-full:RangesMember
691 Top of range [member] Member ifrs-full:TopOfRangeMember
692 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
693 Significant Accounting Policies [Line Items] LineItems rdy:SignificantAccountingPoliciesLineItems
694 Hedge Effectiveness, Percentage at which the hedge considered effective Concept (Percent) For Period rdy:HedgeEffectivenessPercentageAtWhichHedgeConsideredEffective
695 Minimum lease payments payable under non-cancellable operating lease Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
696 192 - Disclosure - Segment reporting (Details) Network

*

*

 http://www.drreddys.com/role/SegmentReportingDetails
697 Disclosure of operating segments [table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
698 Segments [axis] Axis ifrs-full:SegmentsAxis
699 Segments [member] Member ifrs-full:SegmentsMember
700 Global Generics [Member] Member rdy:GlobalGenericsMember
701 Pharmaceutical Services and Active Ingredients [Member] Member rdy:PharmaceuticalServicesAndActiveIngredientsMember
702 Proprietary Product [Member] Member rdy:ProprietaryProductMember
703 Other segment [Member] Member rdy:OtherSegmentMember
704 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
705 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
706 Gross Profit Concept (Monetary) For Period Credit ifrs-full:GrossProfit
707 Selling, general and administrative expenses Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
708 Research and development expenses Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
709 Other (income)/expense, net Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
710 Results from operating activities Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
711 Finance (expense)/income, net Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
712 Share of profit of equity accounted investees, net of tax Concept (Monetary) For Period Credit rdy:SharesOfProfitLossAccountedForUsingEquityMethod
713 Profit before tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
714 Tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
715 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
716 193 - Disclosure - Segment reporting (Details 1) Network

*

*

 http://www.drreddys.com/role/SegmentReportingDetails1
717 Disclosure of excise duty [Table] Table

*

*

 rdy:DisclosureOfExciseDutyTable
718 Segments [axis] Axis ifrs-full:SegmentsAxis
719 Segments [member] Member ifrs-full:SegmentsMember
720 Disclosure of excise duty [Line Items] LineItems rdy:DisclosureOfExciseDutyLineItems
721 Excise duty Concept (Monetary) For Period Debit rdy:ExciseDuty
722 194 - Disclosure - Segment reporting (Details 2) Network

*

*

 http://www.drreddys.com/role/SegmentReportingDetails2
723 Disclosure of geographical areas [table] Table

*

*

 ifrs-full:DisclosureOfGeographicalAreasTable
724 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
725 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
726 India [Member] Member rdy:IndiaMember
727 United States [Member] Member rdy:UnitedStatesMember
728 Russia [Member] Member rdy:RussiaMember
729 Others [Member] Member rdy:OthersCountriesMember
730 Disclosures Of Geographical Areas [Line Items] LineItems rdy:DisclosuresOfGeographicalAreasLineItems
731 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
732 195 - Disclosure - Segment reporting (Details 3) Network

*

*

 http://www.drreddys.com/role/SegmentReportingDetails3
733 Disclosure of operating segments [table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
734 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
735 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
736 Gastrointestinal [Member] Member rdy:GastrointestinalMember
737 Oncology [Member] Member rdy:OncologyMember
738 Cardiovascular [Member] Member rdy:CardiovascularMember
739 Pain Management [Member] Member rdy:PainManagementMember
740 Central Nervous System [Member] Member rdy:CentralNervousSystemMember
741 Anti-Infective [Member] Member rdy:AntiinfectiveMember
742 Others [Member] Member rdy:OtherGlobalGenericsMember
743 Segments [axis] Axis ifrs-full:SegmentsAxis
744 Segments [member] Member ifrs-full:SegmentsMember
745 Global Generic [Member] Member rdy:GlobalGenericMember
746 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
747 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
748 196 - Disclosure - Segment reporting (Details 4) Network

*

*

 http://www.drreddys.com/role/SegmentReportingDetails4
749 Disclosure of operating segments [table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
750 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
751 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
752 Cardiovascular [Member] Member rdy:CardiovascularMember
753 Pain Management [Member] Member rdy:PainManagementMember
754 Central Nervous System [Member] Member rdy:CentralNervousSystemMember
755 Oncology [Member] Member rdy:OncologyMember
756 Anti-Infective [Member] Member rdy:AntiinfectiveMember
757 Others [Member] Member rdy:OtherPsaiMember
758 Dermatology [Member] Member rdy:DermatologyMember
759 Segments [axis] Axis ifrs-full:SegmentsAxis
760 Segments [member] Member ifrs-full:SegmentsMember
761 Pharmaceutical Services and Active Ingredient [Member] Member rdy:PharmaceuticalServicesAndActiveIngredientMember
762 Disclosure Of Operating Segment [Line Items] LineItems rdy:DisclosureOfOperatingSegmentLineItems
763 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
764 197 - Disclosure - Segment reporting (Details 5) Network

*

*

 http://www.drreddys.com/role/SegmentReportingDetails5
765 Disclosure of geographical areas [table] Table

*

*

 ifrs-full:DisclosureOfGeographicalAreasTable
766 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
767 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
768 India [Member] Member rdy:IndiaMember
769 United States [Member] Member rdy:UnitedStatesMember
770 Switzerland [Member] Member rdy:SwitzerlandMember
771 Germany [Member] Member rdy:GermanyMember
772 Others [Member] Member rdy:OtherCountriesMember
773 Disclosure of geographical areas [line items] LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
774 Non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets, and rights arising under insurance contracts Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts
775 198 - Disclosure - Segment reporting (Details 6) Network

*

*

 http://www.drreddys.com/role/SegmentReportingDetails6
776 Disclosure of geographical areas [table] Table

*

*

 ifrs-full:DisclosureOfGeographicalAreasTable
777 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
778 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
779 India [Member] Member rdy:IndiaMember
780 Switzerland [Member] Member rdy:SwitzerlandMember
781 United States [Member] Member rdy:UnitedStatesMember
782 Others [Member] Member rdy:OtherCountriesMember
783 Disclosure of geographical areas [line items] LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
784 Property, plant and equipments including capital work in progress and intangible assets acquired, other than goodwill arising on business combination Concept (Monetary) For Period Debit rdy:PropertyPlantAndEquipmentsIncludingCapitalWorkInProgressAndIntangibleAssetsAcquiredOtherThanGoodwillArisingOnBusinessCombination
785 199 - Disclosure - Segment reporting (Details 7) Network

*

*

 http://www.drreddys.com/role/SegmentReportingDetails7
786 Disclosure of operating segments [table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
787 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
788 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
789 Global Generic [Member] Member rdy:GlobalGenericMember
790 PSAI [Member] Member rdy:PharmaceuticalServicesAndActiveIngredientMember
791 Proprietary Products [Member] Member rdy:ProprietaryProductsMember
792 Others [Member] Member rdy:OthersSegmentsMember
793 Segments [axis] Axis ifrs-full:SegmentsAxis
794 Segments [member] Member ifrs-full:SegmentsMember
795 Type of Expenses by Nature [Axis] Axis rdy:TypeOfExpensesByNatureAxis
796 Expenses by Nature [Domain] Member rdy:ExpensesByNatureDomain
797 Cost of Revenues [Member] Member rdy:CostOfRevenuesMember
798 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
799 Depreciation and amortisation expense Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
800 200 - Disclosure - Segment reporting (Details Textual) Network

*

*

 http://www.drreddys.com/role/SegmentReportingDetailsTextual
801 Disclosure of major customers [table] Table

*

*

 ifrs-full:DisclosureOfMajorCustomersTable
802 Customer [Axis] Axis ifrs-full:MajorCustomersAxis
803 Customers [member] Member ifrs-full:MajorCustomersMember
804 Major Customer 1 [Member] Member rdy:MajorCustomer1Member
805 Major Customer 2 [Member] Member rdy:MajorCustomer2Member
806 Disclosure of major customers [line items] LineItems ifrs-full:DisclosureOfMajorCustomersLineItems
807 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
808 Percentage of entity's revenue Concept (Percent) For Period ifrs-full:PercentageOfEntitysRevenue
809 Inter-segment revenues from PSAI to Global Generic Concept (Monetary) For Period Credit rdy:IntersegmentRevenuesFromPsaiToGlobalGeneric
810 201 - Disclosure - Property, plant and equipment (Details) Network

*

*

 http://www.drreddys.com/role/PropertyPlantAndEquipmentDetails
811 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
812 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
813 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
814 Plant and equipment [Member] Member rdy:PlantAndEquipmentMember
815 Capital-work-in-progress [Member] Member ifrs-full:ConstructionInProgressMember
816 Land [Member] Member ifrs-full:LandMember
817 Buildings [member] Member ifrs-full:BuildingsMember
818 Computer Equipment [Member] Member ifrs-full:ComputerEquipmentMember
819 Office Equipment [Member] Member ifrs-full:OfficeEquipmentMember
820 Vehicles [Member] Member ifrs-full:VehiclesMember
821 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
822 Carrying amount [member] Member ifrs-full:CarryingAmountMember
823 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
824 Accumulated depreciation and amortisation [member] Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
825 Excluding Capital-work-in-progress [Member] Member rdy:ExcludingCapitalworkinprogressMember
826 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
827 Beginning Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
828 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
829 Depreciation for the year Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
830 Impairment loss Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
831 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
832 Effect of changes in foreign exchange rates Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
833 Ending Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
834 202 - Disclosure - Property, plant and equipment (Details Textual) Network

*

*

 http://www.drreddys.com/role/PropertyPlantAndEquipmentDetailsTextual
835 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
836 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
837 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
838 After tax [Member] Member rdy:AfterTaxMember
839 Before tax [Member] Member rdy:BeforeTaxMember
840 Range [Axis] Axis ifrs-full:RangeAxis
841 Ranges [member] Member ifrs-full:RangesMember
842 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
843 Top of range [member] Member ifrs-full:TopOfRangeMember
844 Interest capitalization [Axis] Axis rdy:InterestCapitalizationAxis
845 Interest capitalization [Domain] Member rdy:InterestCapitalizationDomain
846 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
847 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
848 Contractual commitments for acquisition of property, plant and equipment Concept (Monetary) As Of Credit ifrs-full:ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment
849 Interest costs capitalised Concept (Monetary) For Period ifrs-full:InterestCostsCapitalised
850 Capitalisation rate of borrowing costs eligible for capitalisation Concept (Percent) For Period ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation
851 Recognised finance lease as assets Concept (Monetary) As Of Debit ifrs-full:RecognisedFinanceLeaseAsAssets
852 Discount rate used in current estimate of value in use Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse
853 Impairment loss Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
854 Impairment Recorded In Construction In Progress Concept (Monetary) For Period Debit rdy:ImpairmentRecordedInConstructionInProgress
855 203 - Disclosure - Goodwill (Details) Network

*

*

 http://www.drreddys.com/role/GoodwillDetails
856 Disclosure of reconciliation of changes in goodwill [table] Table

*

*

 ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillTable
857 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
858 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
859 Disclosure of reconciliation of changes in goodwill [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillLineItems
860 Opening balance, gross Concept (Monetary) As Of Debit rdy:GoodwillGrossBalance
861 Goodwill arising on business combinations during the year Concept (Monetary) For Period Debit ifrs-full:AdditionalRecognitionGoodwill
862 Effect of translation adjustments Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesGoodwill
863 Impairment loss Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
864 Closing balance Concept (Monetary) As Of Debit ifrs-full:Goodwill
865 204 - Disclosure - Goodwill (Details 1) Network

*

*

 http://www.drreddys.com/role/GoodwillDetails1
866 Disclosure of information for cash-generating units [table] Table

*

*

 ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable
867 Cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis
868 Entity's total for cash-generating units [member] Member ifrs-full:EntitysTotalForCashgeneratingUnitsMember
869 Cash-generating units [member] Member ifrs-full:IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesMember
870 Type of Cash-generating units [Axis] Axis rdy:TypeOfCashgeneratingUnitsAxis
871 Type of Cash-generating units [Domain] Member rdy:TypeOfCashgeneratingUnitsDomain
872 PSAI- Active Pharmaceutical Operations [Member] Member rdy:PsaiActivePharmaceuticalOperationsMember
873 Global Generics- Complex Injectables [Member] Member rdy:GlobalGenericsComplexInjectablesMember
874 Global Generics- North America Operations [Member] Member rdy:GlobalGenericsNorthAmericaOperationsMember
875 Global Generics- Branded Formulations [Member] Member rdy:GlobalGenericsBrandedFormulationsMember
876 Other Cash-generating units [Member] Member rdy:OtherCashgeneratingUnitsMember
877 Disclosure of information for cash-generating units [line items] LineItems ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems
878 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
879 205 - Disclosure - Goodwill (Details Textual) Network

*

*

 http://www.drreddys.com/role/GoodwillDetailsTextual
880 Disclosure of reconciliation of changes in goodwill [table] Table

*

*

 ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillTable
881 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
882 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
883 Business combinations [member] Member ifrs-full:BusinessCombinationsMember
884 Before tax [Member] Member rdy:BeforeTaxMember
885 After tax [Member] Member rdy:AfterTaxMember
886 Range [Axis] Axis ifrs-full:RangeAxis
887 Ranges [member] Member ifrs-full:RangesMember
888 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
889 Top of range [member] Member ifrs-full:TopOfRangeMember
890 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
891 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
892 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
893 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
894 Intangibles [Member] Member rdy:IntangiblesMember
895 Disclosure of reconciliation of changes in goodwill [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillLineItems
896 Additional recognition, goodwill Concept (Monetary) For Period Debit ifrs-full:AdditionalRecognitionGoodwill
897 Impairment Loss Recorded In Goodwill Till Date Concept (Monetary) For Period Debit rdy:ImpairmentLossRecordedInGoodwillTillDate
898 Impairment Loss Recorded In Goodwill Pertaining To A Subsidiary Till Date Concept (Monetary) For Period Debit rdy:ImpairmentLossRecordedInGoodwillPertainingToSubsidiaryTillDate
899 Growth rate used to extrapolate cash flow projections Concept (Percent) As Of ifrs-full:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
900 Discount rate used in current estimate of value in use Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse
901 206 - Disclosure - Other intangible assets (Details) Network

*

*

 http://www.drreddys.com/role/OtherIntangibleAssetsDetails
902 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
903 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
904 Carrying amount [member] Member ifrs-full:CarryingAmountMember
905 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
906 Accumulated depreciation, amortization and impairment [member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
907 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
908 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
909 Trademarks with finite useful life [member] Member ifrs-full:BrandNamesMember
910 Product related intangibles [member] Member ifrs-full:RecipesFormulaeModelsDesignsAndPrototypesMember
911 Technology related intangibles [member] Member ifrs-full:TechnologybasedIntangibleAssetsMember
912 Customer related intangibles [member] Member ifrs-full:CustomerrelatedIntangibleAssetsMember
913 Other Intangible Assets [Member] Member ifrs-full:OtherIntangibleAssetsMember
914 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
915 Beginning balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
916 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
917 Amortization for the year Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
918 Impairment loss Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
919 De-recognitions Concept (Monetary) For Period Credit ifrs-full:DisposalsIntangibleAssetsOtherThanGoodwill
920 Effect of changes in foreign exchange rates Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill
921 Ending balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
922 207 - Disclosure - Other intangible assets (Details 1) Network

*

*

 http://www.drreddys.com/role/OtherIntangibleAssetsDetails1
923 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
924 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
925 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
926 In-process research and development assets [member] Member rdy:InprocessResearchAndDevelopmentAssetsMember
927 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
928 Beginning balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
929 Add: Additions during the year Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
930 Less: Capitalizations during the year Concept (Monetary) For Period Debit rdy:AmountCapitalisedFromInProcessResearchAndDevelopmentAssets
931 Less: Impairments during the year Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
932 Effect of changes in exchange rates Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill
933 Ending balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
934 208 - Disclosure - Other intangible assets (Details 2) Network

*

*

 http://www.drreddys.com/role/OtherIntangibleAssetsDetails2
935 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
936 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
937 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
938 Selling, general and administrative expenses [Member] Member rdy:SellingExpensesMember
939 Cost of revenues [Member] Member rdy:CostOfRevenuesMember
940 Research and development expenses [Member] Member rdy:ResearchAndDevelopmentExpensesMember
941 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
942 Amortization, intangible assets other than goodwill Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
943 209 - Disclosure - Other intangible assets (Details 3) Network

*

*

 http://www.drreddys.com/role/OtherIntangibleAssetsDetails3
944 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
945 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
946 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
947 Selling, general and administrative expenses [Member] Member rdy:SellingExpensesMember
948 Research and development expenses [Member] Member rdy:ResearchAndDevelopmentExpensesMember
949 Cost of revenues [Member] Member rdy:CostOfRevenuesMember
950 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
951 Impairment loss recognised in profit or loss, intangible assets other than goodwill Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
952 210 - Disclosure - Other intangible assets (Details Textual) Network

*

*

 http://www.drreddys.com/role/OtherIntangibleAssetsDetailsTextual
953 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
954 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
955 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
956 Other Intangible Assets [Member] Member ifrs-full:OtherIntangibleAssetsMember
957 Research and development expenses [Member] Member rdy:ResearchAndDevelopmentExpensesMember
958 Selling, general and administrative expenses [Member] Member rdy:SellingExpensesMember
959 Segments [axis] Axis ifrs-full:SegmentsAxis
960 Segments [member] Member ifrs-full:SegmentsMember
961 Teva Pharmaceutical Industries Limited [Member] Member rdy:TevaPharmaceuticalIndustriesLimitedMember
962 XenoPort, Inc. [Member] Member rdy:XenoportIncMember
963 Product One [Member] Member rdy:ProductOneMember
964 Product Two [Member] Member rdy:ProductTwoMember
965 Range [Axis] Axis ifrs-full:RangeAxis
966 Ranges [member] Member ifrs-full:RangesMember
967 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
968 Top of range [member] Member ifrs-full:TopOfRangeMember
969 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
970 Carrying amount [member] Member ifrs-full:CarryingAmountMember
971 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
972 Impairment loss recognised in profit or loss, intangible assets other than goodwill Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
973 Disposals, intangible assets other than goodwill Concept (Monetary) For Period Credit ifrs-full:DisposalsIntangibleAssetsOtherThanGoodwill
974 Interest costs capitalised Concept (Monetary) For Period ifrs-full:InterestCostsCapitalised
975 Capitalisation rate of borrowing costs eligible for capitalisation Concept (Percent) For Period ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation
976 Consideration transferred for acquisition of asset Concept (Monetary) For Period Credit rdy:ConsiderationTransferredForAcquisitionOfAsset
977 211 - Disclosure - Investment in equity accounted investees (Details) Network

*

*

 http://www.drreddys.com/role/InvestmentInEquityAccountedInvesteesDetails
978 Investments accounted for using equity method [Table] Table

*

*

 rdy:InvestmentsAccountedForUsingEquityMethodTable
979 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
980 Assets [member] Member ifrs-full:ClassesOfAssetsMember
981 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
982 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
983 Kunshan Rotam Reddy Pharmaceuticals Co. Limited [Member] Member rdy:KunshanRotamReddyPharmaceuticalsCoLimitedMember
984 Investments accounted for using equity method [Line Items] LineItems rdy:InvestmentsAccountedForUsingEquityMethodLineItems
985 Ownership Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInJointVenture
986 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
987 Total non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
988 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
989 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
990 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
991 Total equity and liabilities Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
992 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
993 Expenses Concept (Monetary) For Period Debit ifrs-full:OtherExpenseByFunction
994 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
995 Company's share of profits for the year Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
996 Carrying value of the Company's investment Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
997 Translation adjustment arising out of translation of foreign currency balances Concept (Monetary) For Period Debit rdy:IncreaseDecreaseThroughNetExchangeDifferencesInvestmentInJointVentures
998 212 - Disclosure - Investment in equity accounted investees (Details Textual) Network

*

*

 http://www.drreddys.com/role/InvestmentInEquityAccountedInvesteesDetailsTextual
999 Investments accounted for using equity method [Table] Table

*

*

 rdy:InvestmentsAccountedForUsingEquityMethodTable
1000 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1001 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1002 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
1003 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
1004 Kunshan Rotam Reddy Pharmaceuticals Co. Limited [Member] Member rdy:KunshanRotamReddyPharmaceuticalsCoLimitedMember
1005 Investments accounted for using equity method [Line Items] LineItems rdy:InvestmentsAccountedForUsingEquityMethodLineItems
1006 Proportion of ownership interest in joint venture Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInJointVenture
1007 Goodwill arising on investment in an associate Concept (Monetary) As Of Debit rdy:GoodwillArisingOnInvestmentInAssociate
1008 213 - Disclosure - Other investments (Details) Network

*

*

 http://www.drreddys.com/role/OtherInvestmentsDetails
1009 Other investments [Table] Table

*

*

 rdy:OtherInvestmentsTable
1010 Measurement [axis] Axis ifrs-full:MeasurementAxis
1011 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1012 Cost [member] Member ifrs-full:AtCostMember
1013 Gain recognized directly in equity [member] Member rdy:RecognisedDirectlyInEquityMember
1014 Fair value / amortized cost [Member] Member rdy:AtFairValueOrAmortizedCostMember
1015 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1016 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1017 Term deposits with banks [Member] Member rdy:TermDepositsWithBanksMember
1018 Investment in commercial paper [Member] Member rdy:InvestmentInCommercialPaperMember
1019 Debt Securities [Member] Member ifrs-full:DebtSecuritiesMember
1020 Other equity securities [member] Member ifrs-full:OtherEquitySecuritiesMember
1021 Unconsolidated structured entities [axis] Axis ifrs-full:UnconsolidatedStructuredEntitiesAxis
1022 Entity's total for unconsolidated structured entities [member] Member ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember
1023 Investment funds [member] Member ifrs-full:InvestmentFundsMember
1024 Other Investments [Line Items] LineItems rdy:OtherInvestmentsLineItems
1025 Investments Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1026 Current portion Concept (Monetary) As Of Debit ifrs-full:CurrentInvestments
1027 Non-current portion Concept (Monetary) As Of Debit ifrs-full:NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1028 214 - Disclosure - Inventories (Details) Network

*

*

 http://www.drreddys.com/role/InventoriesDetails
1029 Implied Table Table

*

*

 implied:Table
1030 Classes of current inventories [abstract] Abstract ifrs-full:ClassesOfInventoriesAbstract
1031 Raw materials Concept (Monetary) As Of Debit ifrs-full:RawMaterials
1032 Packing materials, stores and spares Concept (Monetary) As Of Debit ifrs-full:CurrentPackagingAndStorageMaterials
1033 Work-in-progress Concept (Monetary) As Of Debit ifrs-full:WorkInProgress
1034 Finished goods Concept (Monetary) As Of Debit ifrs-full:FinishedGoods
1035 Total Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
1036 215 - Disclosure - Inventories (Details 1) Network

*

*

 http://www.drreddys.com/role/InventoriesDetails1
1037 Implied Table Table

*

*

 implied:Table
1038 Classes of current inventories [abstract] Abstract ifrs-full:ClassesOfInventoriesAbstract
1039 Raw materials, consumables and changes in finished goods and work in progress Concept (Monetary) For Period Debit ifrs-full:CostOfInventoriesRecognisedAsExpenseDuringPeriod
1040 Inventory write-down Concept (Monetary) For Period ifrs-full:InventoryWritedown2011
1041 216 - Disclosure - Trade and other receivables (Details) Network

*

*

 http://www.drreddys.com/role/TradeAndOtherReceivablesDetails
1042 Trade And Other Receivables [Table] Table

*

*

 rdy:TradeAndOtherReceivablesTable
1043 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1044 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1045 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1046 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1047 Current assets [Member] Member rdy:CurrentAssetsMember
1048 Non-current Assets [Member] Member rdy:NoncurrentAssetsMember
1049 Trade And Other Receivables [Line Items] LineItems rdy:TradeAndOtherReceivablesLineItems
1050 Trade and other receivables, gross Concept (Monetary) As Of Debit rdy:TradeReceivableGross
1051 Less: Allowance for doubtful trade and other receivables Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1052 Trade and other receivables, net Concept (Monetary) As Of Debit ifrs-full:TradeReceivables
1053 217 - Disclosure - Trade and other receivables (Details 1) Network

*

*

 http://www.drreddys.com/role/TradeAndOtherReceivablesDetails1
1054 Allowance For Doubtful Trade Receivable [Table] Table

*

*

 rdy:AllowanceForDoubtfulTradeReceivableTable
1055 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1056 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1057 Allowance For Doubtful Trade Receivable [Line Items] LineItems rdy:AllowanceForDoubtfulTradeReceivableLineItems
1058 Reconciliation of changes in allowance account for credit losses of financial assets [abstract] Abstract ifrs-full:ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract
1059 Balance at the beginning of the year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1060 Provision for doubtful trade and other receivables, net Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1061 Trade and other receivables written off and exchange differences Concept (Monetary) For Period Debit ifrs-full:UtilisationAllowanceAccountForCreditLossesOfFinancialAssets
1062 Balance at the end of the year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1063 218 - Disclosure - Other assets (Details) Network

*

*

 http://www.drreddys.com/role/OtherAssetsDetails
1064 Subclassifications Of Assets Liabilities And Equities [Table] Table

*

*

 rdy:SubclassificationsOfAssetsLiabilitiesAndEquitiesTable
1065 Asset Type [Axis] Axis rdy:AssetTypeAxis
1066 Asset Type [Domain] Member rdy:AssetTypeDomain
1067 Current Member rdy:AssetTypeMember
1068 Non-current Member rdy:NoncurrentAssetsMember
1069 Subclassifications Of Assets Liabilities And Equities [Line Items] LineItems rdy:SubclassificationsOfAssetsLiabilitiesAndEquitiesLineItems
1070 Current Abstract ifrs-full:MiscellaneousCurrentAssetsAbstract
1071 Balances and receivables from statutory authorities Concept (Monetary) As Of Debit ifrs-full:CurrentReceivablesFromTaxesOtherThanIncomeTax
1072 Export benefits receivable Concept (Monetary) As Of Debit rdy:ExportBenefitReceivableCurrent
1073 Prepaid expenses Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaidExpenses
1074 Others Concept (Monetary) As Of Debit rdy:OtherCurrentAssetsOther
1075 Other Assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
1076 Non-current Abstract ifrs-full:MiscellaneousNoncurrentAssetsAbstract
1077 Deposits Concept (Monetary) As Of Debit ifrs-full:LongtermDeposits
1078 Others Concept (Monetary) As Of Debit rdy:OtherNoncurrentAssetsOther
1079 Other non-current assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
1080 219 - Disclosure - Cash and cash equivalents (Details) Network

*

*

 http://www.drreddys.com/role/CashAndCashEquivalentsDetails
1081 Implied Table Table

*

*

 implied:Table
1082 Cash and Cash Equivalents [Abstract] Abstract ifrs-full:CashAndCashEquivalentsAbstract
1083 Cash balances Concept (Monetary) As Of Debit ifrs-full:CashOnHand
1084 Balances with banks Concept (Monetary) As Of Debit ifrs-full:BalancesWithBanks
1085 Term deposits with banks (original maturities up to 3 months) Concept (Monetary) As Of Debit ifrs-full:ShorttermDepositsClassifiedAsCashEquivalents
1086 Cash and cash equivalents in the statement of financial position Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1087 Bank overdrafts used for cash management purposes Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
1088 Cash and cash equivalents in the statement of cash flow Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
1089 220 - Disclosure - Cash and cash equivalents (Details Textual) Network

*

*

 http://www.drreddys.com/role/CashAndCashEquivalentsDetailsTextual
1090 Restricted Cash and Investments [Table] Table

*

*

 rdy:RestrictedCashAndInvestmentsTable
1091 Countrie [Axis] Axis rdy:CountrieAxis
1092 Countrie [Domain] Member rdy:CountrieDomain
1093 Venezuela [Member] Member rdy:VenezuelaMember
1094 Restricted Cash And Cash Equivalents [Line Items] LineItems rdy:RestrictedCashAndCashEquivalentsLineItems
1095 Restricted unclaimed dividend and Debenture Interest Concept (Monetary) As Of Debit rdy:RestrictedUnclaimedDividendAndDebentureInterest
1096 Other Restricted Cash Concept (Monetary) As Of Debit rdy:OtherRestrictedCash
1097 Total restricted cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:RestrictedCashAndCashEquivalents
1098 Restricted Amount In Escrow Account Concept (Monetary) As Of Debit rdy:RestrictedAmountInEscrowAccount
1099 221 - Disclosure - Equity (Details) Network

*

*

 http://www.drreddys.com/role/EquityDetails
1100 Disclosure of classes of share capital [table] Table

*

*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
1101 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1102 Equity [Member] Member ifrs-full:EquityMember
1103 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1104 Authorized share capital Concept (Shares) As Of rdy:AuthorizedShareCapital
1105 Amount of shares authorised Concept (Monetary) As Of Credit rdy:AmountOfSharesAuthorised
1106 Fully Paid Up Share Capital Abstract rdy:FullyPaidUpShareCapitalAbstract
1107 As at April 1 Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
1108 Add: Shares issued on exercise of stock options Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
1109 Less: Buyback of equity shares Concept (Monetary) For Period Debit rdy:IncreaseAndDecreaseThroughOtherDistributionsToOwners
1110 As at March 31 Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
1111 Opening number of equity shares/share capital Concept (Shares) As Of ifrs-full:NumberOfSharesIssuedAndFullyPaid
1112 Add: Issue of equity shares on exercise of options Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfSharesOutstanding
1113 Less: Buyback of equity shares Concept (Shares) For Period rdy:PurchaseOfTreasurySharesInNumbers
1114 Closing number of equity shares/share capital Concept (Shares) As Of ifrs-full:NumberOfSharesIssuedAndFullyPaid
1115 222 - Disclosure - Equity (Details 1) Network

*

*

 http://www.drreddys.com/role/EquityDetails1
1116 Disclosure of classes of share capital [table] Table

*

*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
1117 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1118 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1119 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1120 Dividend per share Concept (Share) For Period ifrs-full:DividendsPaidOrdinarySharesPerShare
1121 Dividend distribution tax on the dividend paid Concept (Monetary) For Period Debit rdy:DividendDistributionTaxOnDividendPaid
1122 Dividend paid during the year Concept (Monetary) For Period Debit ifrs-full:DividendsPaidOrdinaryShares
1123 223 - Disclosure - Equity (Details Textual) Network

*

*

 http://www.drreddys.com/role/EquityDetailsTextual
1124 Details of Equity [Table] Table

*

*

 rdy:DetailsOfEquityTable
1125 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1126 Equity [Member] Member ifrs-full:EquityMember
1127 Plan [Axis] Axis rdy:PlanAxis
1128 Plan [Domain] Member rdy:PlanDomain
1129 Details of Equity [Line Items] LineItems rdy:DetailsOfEquityLineItems
1130 Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners per share Concept (Share) For Period ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare
1131 Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners Concept (Monetary) For Period ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners
1132 Maximum Amount Of Approved For Buyback Concept (Monetary) For Period Debit rdy:MaximumAmountOfApprovedForBuyback
1133 Maximum amount per equity share approved for buyback Concept (Share) As Of rdy:MaximumAmountPerEquityShareApprovedForBuyback
1134 Purchase of treasury shares Concept (Monetary) For Period Debit ifrs-full:PurchaseOfTreasuryShares
1135 Income tax consequences of dividends proposed or declared before financial statements authorised for issue not recognised as liability Concept (Monetary) For Period ifrs-full:IncomeTaxConsequencesOfDividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueNotRecognisedAsLiability
1136 Purchase of treasury shares in numbers Concept (Shares) For Period rdy:PurchaseOfTreasurySharesInNumbers
1137 Increase decrease through other distributions to owners Concept (Monetary) For Period Debit rdy:IncreaseAndDecreaseThroughOtherDistributionsToOwners
1138 224 - Disclosure - Earnings per share (Details) Network

*

*

 http://www.drreddys.com/role/EarningsPerShareDetails
1139 Implied Table Table

*

*

 implied:Table
1140 Basic earnings per share [abstract] Abstract ifrs-full:BasicEarningsPerShareAbstract
1141 Issued equity shares as at April 1 Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
1142 Effect of shares issued on exercise of stock options Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued
1143 Effect of buyback of equity shares Concept (Shares) For Period rdy:DecreaseInNumberOfOrdinarySharesDueToBuyback
1144 Weighted average number of equity shares at March 31 Concept (Shares) For Period ifrs-full:WeightedAverageShares
1145 Earnings per share - Basic Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
1146 225 - Disclosure - Earnings per share (Details1) Network

*

*

 http://www.drreddys.com/role/EarningsPerShareDetails1
1147 Implied Table Table

*

*

 implied:Table
1148 Diluted earnings per share [abstract] Abstract ifrs-full:DilutedEarningsPerShareAbstract
1149 Weighted average number of equity shares (Basic) Concept (Shares) For Period ifrs-full:WeightedAverageShares
1150 Dilutive effect of stock options outstanding Concept (Shares) For Period ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
1151 Weighted average number of equity shares (Diluted) Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
1152 Earnings per share - Diluted Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
1153 226 - Disclosure - Earnings per share (Details Textual) Network

*

*

 http://www.drreddys.com/role/EarningsPerShareDetailsTextual
1154 Implied Table Table

*

*

 implied:Table
1155 Income Statement [Abstract] Abstract ifrs-full:IncomeStatementAbstract
1156 Profit (loss), attributable to ordinary equity holders of parent entity Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
1157 227 - Disclosure - Loans and borrowings (Details) Network

*

*

 http://www.drreddys.com/role/LoansAndBorrowingsDetails
1158 Disclosure of Short Term Borrowings [Table] Table

*

*

 rdy:DisclosureOfShortTermBorrowingsTable
1159 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1160 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1161 Packing credit borrowings [Member] Member rdy:PackingCreditBorrowingsMember
1162 Other foreign currency borrowings [Member] Member rdy:OtherForeignCurrencyBorrowingsMember
1163 Disclosure of Short Term Borrowings [Line Items] LineItems rdy:DisclosureOfShortTermBorrowingsLineItems
1164 Current borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
1165 228 - Disclosure - Loans and borrowings (Details 1) Network

*

*

 http://www.drreddys.com/role/LoansAndBorrowingsDetails1
1166 Disclosure Interest Rate of Short Term Borrowings [Table] Table

*

*

 rdy:DisclosureInterestRateOfShortTermBorrowingsTable
1167 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1168 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1169 Packing Credit Borrowings USD [Member] Member rdy:PackingCreditBorrowingsUsdMember
1170 Packing Credit Borrowings RUB [Member] Member rdy:PackingCreditBorrowingsRubMember
1171 Other Foreign Currency Borrowings USD [Member] Member rdy:OtherForeignCurrencyBorrowingsUsdMember
1172 Packing credit borrowings USD One [Member] Member rdy:PackingCreditBorrowingsUsdOneMember
1173 Packing credit borrowings INR [Member] Member rdy:PackingCreditBorrowingsInrMember
1174 Packing credit borrowings INR One [Member] Member rdy:PackingCreditBorrowingsInrOneMember
1175 Other foreign currency borrowings RUB [Member] Member rdy:OtherForeignCurrencyBorrowingsRubMember
1176 Other Foreign Currency Borrowings UAH [Member] Member rdy:OtherForeignCurrencyBorrowingsUahMember
1177 Disclosure Interest Rate of Short Term Borrowings [Line Items] LineItems rdy:DisclosureInterestRateOfShortTermBorrowingsLineItems
1178 Borrowings, original currency Concept (Text/String) For Period ifrs-full:BorrowingsOriginalCurrency
1179 Borrowings, interest rate basis Concept (Text/String) For Period ifrs-full:BorrowingsInterestRateBasis
1180 229 - Disclosure - Loans and borrowings (Details 2) Network

*

*

 http://www.drreddys.com/role/LoansAndBorrowingsDetails2
1181 Disclosure of Long Term Borrowings [Table] Table

*

*

 rdy:DisclosureOfLongTermBorrowingsTable
1182 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1183 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1184 Parent [Member] Member ifrs-full:ParentMember
1185 Swiss Subsidiary [Member] Member rdy:SwissSubsidiaryMember
1186 German subsidiary [Member] Member rdy:GermanSubsidiaryMember
1187 Finance Lease [Axis] Axis rdy:FinanceLeaseAxis
1188 Finance Lease [Domain] Member rdy:FinanceLeaseDomain
1189 Finance Lease [Member] Member rdy:FinanceLeaseMember
1190 Disclosure of Borrowings [Line Items] LineItems rdy:DisclosureOfBorrowingsLineItems
1191 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1192 Current portion Abstract rdy:CurrentPortionOfNoncurrentBorrowingsAbstract
1193 Current portion of non-current borrowings Concept (Monetary) As Of Credit ifrs-full:CurrentPortionOfLongtermBorrowings
1194 Non-current portion Abstract ifrs-full:NoncurrentPortionOfNoncurrentBorrowingsByTypeAbstract
1195 Non-current portion of non-current borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
1196 230 - Disclosure - Loans and borrowings (Details 3) Network

*

*

 http://www.drreddys.com/role/LoansAndBorrowingsDetails3
1197 Disclosure of Long Term Borrowings [Table] Table

*

*

 rdy:DisclosureOfLongTermBorrowingsTable
1198 Currencies [Axis] Axis rdy:CurrenciesAxis
1199 Currencies [Domain] Member rdy:CurrenciesDomain
1200 Foreign currency one [Member] Member rdy:ForeignCurrencyOneMember
1201 Foreign Currency Two [Member] Member rdy:ForeignCurrencyTwoMember
1202 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1203 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1204 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1205 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1206 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1207 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1208 Currency Type [Axis] Axis rdy:CurrencyTypeAxis
1209 Currency Type [Domain] Member rdy:CurrencyTypeDomain
1210 USD [Member] Member rdy:UsdMember
1211 EUR [Member] Member rdy:EurMember
1212 Disclosure of Interest Rate Profile of Long Term Borrowings [Line Items] LineItems rdy:DisclosureOfInterestRateProfileOfLongTermBorrowingsLineItems
1213 Borrowings, interest rate basis Concept (Text/String) For Period ifrs-full:BorrowingsInterestRateBasis
1214 231 - Disclosure - Loans and borrowings (Details 4) Network

*

*

 http://www.drreddys.com/role/LoansAndBorrowingsDetails4
1215 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1216 Maturity [axis] Axis ifrs-full:MaturityAxis
1217 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1218 Thereafter Member rdy:MaturityYearThereafterMember
1219 2018 Member rdy:MaturityYear2018Member
1220 2019 Member rdy:MaturityYear2019Member
1221 2020 Member rdy:MaturityYear2020Member
1222 2021 Member rdy:MaturityYear2021Member
1223 2022 Member rdy:MaturityYear2022Member
1224 2023 Member rdy:MaturityYear2023Member
1225 Disclosure of Contractual maturities of Long Term Borrowings [Line Items] LineItems rdy:DisclosureOfContractualMaturitiesOfLongTermBorrowingsLineItems
1226 Foreign currency loans Concept (Monetary) As Of Credit rdy:ForeignCurrencyLoans
1227 Obligations under finance leases Concept (Monetary) As Of Credit ifrs-full:FinanceLeaseLiabilities
1228 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1229 232 - Disclosure - Loans and borrowings (Details 5) Network

*

*

 http://www.drreddys.com/role/LoansAndBorrowingsDetails5
1230 Disclosure of Future minimum lease payments under finance leases [Table] Table

*

*

 rdy:DisclosureOfFutureMinimumLeasePaymentsUnderFinanceLeasesTable
1231 Maturity [axis] Axis ifrs-full:MaturityAxis
1232 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1233 Not later than one year Member ifrs-full:NotLaterThanOneYearMember
1234 Between one and five years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1235 More than five years Member ifrs-full:LaterThanFiveYearsMember
1236 Disclosure of Future minimum lease payments under finance leases [Line Items] LineItems rdy:DisclosureOfFutureMinimumLeasePaymentsUnderFinanceLeasesLineItems
1237 Present value of minimum lease payments Concept (Monetary) As Of Credit ifrs-full:MinimumFinanceLeasePaymentsPayableAtPresentValue
1238 Interest Concept (Monetary) As Of Credit ifrs-full:FutureFinanceChargeOnFinanceLease
1239 Future minimum lease payments Concept (Monetary) As Of Credit ifrs-full:MinimumFinanceLeasePaymentsPayable
1240 233 - Disclosure - Loans and borrowings (Details 6) Network

*

*

 http://www.drreddys.com/role/LoansAndBorrowingsDetails6
1241 Disclosure of Short Term Borrowings [Table] Table

*

*

 rdy:DisclosureOfShortTermBorrowingsTable
1242 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1243 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1244 Liabilities arising from financing activities [axis] Axis ifrs-full:LiabilitiesArisingFromFinancingActivitiesAxis
1245 Liabilities arising from financing activities [member] Member ifrs-full:LiabilitiesArisingFromFinancingActivitiesMember
1246 Long-term borrowings [member] Member ifrs-full:LongtermBorrowingsMember
1247 Short-term borrowings [member] Member ifrs-full:ShorttermBorrowingsMember
1248 Disclosure of reconciliation of liabilities arising from financing activities [line items] LineItems ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems
1249 Opening balance Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1250 Borrowings made during the year Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
1251 Borrowings repaid during the year Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
1252 Currency translation adjustments Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
1253 Others Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities
1254 Closing balance Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1255 234 - Disclosure - Loans and borrowings (Details Textual) Network

*

*

 http://www.drreddys.com/role/LoansAndBorrowingsDetailsTextual
1256 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1257 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1258 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1259 Swiss Subsidiary [Member] Member rdy:SwissSubsidiaryMember
1260 German subsidiary [Member] Member rdy:GermanSubsidiaryMember
1261 Maturity [axis] Axis ifrs-full:MaturityAxis
1262 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1263 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1264 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1265 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1266 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1267 Range [Axis] Axis ifrs-full:RangeAxis
1268 Ranges [member] Member ifrs-full:RangesMember
1269 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1270 Top of range [member] Member ifrs-full:TopOfRangeMember
1271 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1272 Proceeds from non-current borrowings Concept (Monetary) For Period Debit ifrs-full:ProceedsFromNoncurrentBorrowings
1273 Proceeds from current borrowings Concept (Monetary) For Period Debit ifrs-full:ProceedsFromCurrentBorrowings
1274 Repayments of current borrowings Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfCurrentBorrowings
1275 Repayments of non-current borrowings Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfNoncurrentBorrowings
1276 Borrowings, interest rate basis Concept (Text/String) For Period ifrs-full:BorrowingsInterestRateBasis
1277 Transaction Costs Of Long Term Obligations Concept (Monetary) For Period Debit rdy:TransactionCostsOfLongTermObligations
1278 Refinancing Of Current Borrowings Concept (Monetary) For Period Debit rdy:RefinancingOfCurrentBorrowings
1279 Undrawn borrowing facilities Concept (Monetary) As Of Credit ifrs-full:UndrawnBorrowingFacilities
1280 Loan Refinance Concept (Monetary) As Of Debit rdy:LoanRefinance
1281 235 - Disclosure - Employee benefits (Details) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails
1282 Disclosure of defined benefit plans [table] Table

*

*

 ifrs-full:DisclosureOfDefinedBenefitPlansTable
1283 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1284 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1285 Parent Company Gratuity plan [Member] Member rdy:ParentCompanyGratuityPlanMember
1286 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1287 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1288 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1289 Current service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
1290 Interest on net defined benefit liability/(asset) Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
1291 Gratuity cost recognized in income statement Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans
1292 236 - Disclosure - Employee benefits (Details 1) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails1
1293 Surplus Deficit In Plan [Table] Table

*

*

 rdy:SurplusDeficitInPlanTable
1294 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1295 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1296 Parent Company Gratuity plan [Member] Member rdy:ParentCompanyGratuityPlanMember
1297 Disclosure of net defined benefit liability (asset) [line items] LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
1298 Present value of funded obligations Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
1299 Fair value of plan assets Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
1300 Net defined benefit liability recognized Concept (Monetary) As Of Debit ifrs-full:SurplusDeficitInPlan
1301 237 - Disclosure - Employee benefits (Details 2) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails2
1302 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
1303 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1304 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1305 Parent Company Gratuity plan [Member] Member rdy:ParentCompanyGratuityPlanMember
1306 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1307 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1308 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1309 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1310 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1311 Defined benefit obligations at the beginning of the year Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
1312 Current service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
1313 Interest on defined obligations Concept (Monetary) For Period Credit rdy:InterestExpenseIncomeDefinedBenefitObligation
1314 Re-measurements due to: Abstract ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract
1315 Actuarial loss/(gain) due to change in financial assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
1316 Actuarial loss/(gain) due to demographic assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset
1317 Actuarial loss/(gain) due to experience changes Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset
1318 Benefits paid Concept (Monetary) For Period Debit ifrs-full:PaymentsFromPlanNetDefinedBenefitLiabilityAsset
1319 Defined benefit obligations at the end of the year Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
1320 238 - Disclosure - Employee benefits (Details 3) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails3
1321 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
1322 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1323 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1324 Gratuity Benefits Of Parent [Member] Member rdy:GratuityBenefitsOfParentMember
1325 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1326 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1327 Disclosure of fair value of plan assets [line items] LineItems ifrs-full:DisclosureOfFairValueOfPlanAssetsLineItems
1328 Fair value of plan assets at the beginning of the year Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
1329 Employer contributions Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
1330 Interest on plan assets Concept (Monetary) For Period Credit rdy:InterestExpenseIncomePlanAssets
1331 Re-measurements due to: Abstract rdy:RemeasurementsDueToAbstract
1332 Return on plan assets excluding interest on plan assets Concept (Monetary) For Period Debit rdy:ReturnOtherThanInterestOnPlanAssets
1333 Benefits paid Concept (Monetary) For Period Debit ifrs-full:PaymentsFromPlanNetDefinedBenefitLiabilityAsset
1334 Plan assets at the end of the year Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
1335 239 - Disclosure - Employee benefits (Details 4) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails4
1336 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

*

*

 ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable
1337 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
1338 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
1339 50 basis points increase Member rdy:FiftyBasisPointsIncreaseMember
1340 50 basis points decrease Member rdy:FiftyBasisPointsDecreaseMember
1341 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1342 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1343 Parent Company Gratuity plan [Member] Member rdy:ParentCompanyGratuityPlanMember
1344 Measurement [axis] Axis ifrs-full:MeasurementAxis
1345 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1346 Discount rate Member rdy:DiscountRateMember
1347 Salary growth Member rdy:SalaryGrowthMember
1348 Disclosure of sensitivity analysis for actuarial assumptions [line items] LineItems ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems
1349 Defined benefit obligation without effect of projected salary growth Concept (Monetary) As Of Credit rdy:DefinedBenefitObligationAtPresentValueWithoutEffectOfSalaryGrowth
1350 Add: Effect of salary growth Concept (Monetary) As Of Credit rdy:ActuarialAssumptionOfExpectedSalaryIncreases
1351 Defined benefit obligation with projected salary growth Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
1352 Defined benefit obligation Concept (Monetary) As Of Credit rdy:DefinedBenefitObligationDueToReasonablyPossibleChangeInActuarialAssumption
1353 240 - Disclosure - Employee benefits (Details 5) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails5
1354 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

*

*

 ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable
1355 Assumption Type [Axis] Axis rdy:AssumptionTypeAxis
1356 Assumption Type [Domain] Member rdy:AssumptionTypeDomain
1357 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
1358 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
1359 Employee benefit obligations [Member] Member rdy:EmployeeBenefitObligationsMember
1360 Time Taken [Axis] Axis rdy:TimeTakenAxis
1361 Time Taken [Domain] Member rdy:TimeTakenDomain
1362 First year [Member] Member rdy:FirstYearMember
1363 After first year [Member] Member rdy:AfterFirstYearMember
1364 First Two years [Member] Member rdy:FirstTwoYearsMember
1365 Above Two Years [Member] Member rdy:AboveTwoYearsMember
1366 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1367 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1368 Parent Company Gratuity plan [Member] Member rdy:ParentCompanyGratuityPlanMember
1369 Actuarial assumptions to determine benefit obligations [Line Items] LineItems rdy:ActuarialAssumptionsToDetermineBenefitObligationsLineItems
1370 Discount rate Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
1371 Rate of compensation increase Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
1372 241 - Disclosure - Employee benefits (Details 6) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails6
1373 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

*

*

 ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable
1374 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
1375 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
1376 Assumption Type [Axis] Axis rdy:AssumptionTypeAxis
1377 Assumption Type [Domain] Member rdy:AssumptionTypeDomain
1378 Employee gratuity cost [Member] Member rdy:EmployeeGratuityCostMember
1379 Time Band [Axis] Axis rdy:TimeBandAxis
1380 Times Band [Domain] Member rdy:TimesBandDomain
1381 First Two years [Member] Member rdy:FirstTwoYearsMember
1382 Above Two Year [Member] Member rdy:AboveTwoYearMember
1383 Maturity [axis] Axis ifrs-full:MaturityAxis
1384 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1385 First years [Member] Member ifrs-full:NotLaterThanOneYearMember
1386 Later than one year [member] Member ifrs-full:LaterThanOneYearMember
1387 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1388 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1389 Parent Company Gratuity plan [Member] Member rdy:ParentCompanyGratuityPlanMember
1390 Actuarial assumptions to determine gratuity cost [Line Items] LineItems rdy:ActuarialAssumptionsToDetermineGratuityCostLineItems
1391 Discount rate Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
1392 Rate of compensation increase Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
1393 242 - Disclosure - Employee benefits (Details 7) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails7
1394 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

*

*

 ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable
1395 Asset Category [Axis] Axis rdy:AssetCategoryAxis
1396 Asset Category [Domain] Member rdy:AssetCategoryDomain
1397 Funds managed by Insurers [Member] Member rdy:FundsManagedByInsurersMember
1398 Others [Member] Member rdy:OthersMember
1399 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1400 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1401 Parent Company Gratuity plan [Member] Member rdy:ParentCompanyGratuityPlanMember
1402 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1403 Percentage of Weighted average asset allocation Concept (Percent) As Of rdy:PercentageOfWeightedAverageAssetAllocation
1404 243 - Disclosure - Employee benefits (Details 8) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails8
1405 Disclosure of Expected future Cash Flows in respect of Gratuity [Table] Table

*

*

 rdy:DisclosureOfExpectedFutureCashFlowsInRespectOfGratuityTable
1406 Time Band [Axis] Axis rdy:TimeBandAxis
1407 Times Band [Domain] Member rdy:TimesBandDomain
1408 During the year ended March 31, 2019 (estimated) Member rdy:YearMember
1409 March 31, 2019 Member rdy:Year1Member
1410 March 31, 2020 Member rdy:Year2Member
1411 March 31, 2021 Member rdy:Year3Member
1412 March 31, 2022 Member rdy:Year4Member
1413 March 31, 2023 Member rdy:Year5Member
1414 Thereafter Member rdy:AfterYear5Member
1415 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1416 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1417 Parent Company Gratuity plan [Member] Member rdy:ParentCompanyGratuityPlanMember
1418 Disclosure Of Expected Contribution To Post Employment Benefit Plans [Line Items] LineItems rdy:DisclosureOfExpectedContributionToPostEmploymentBenefitPlansLineItems
1419 Disclosure Of Expected Contribution To Post Employment Benefit Plans [Abstract] Abstract rdy:DisclosureOfExpectedContributionToPostEmploymentBenefitPlansAbstract
1420 Expected Contribution Concept (Monetary) For Period Credit rdy:ExpectedContribution
1421 Disclosure Of Expected Future Benefit Payments [Abstract] Abstract rdy:DisclosureOfExpectedFutureBenefitPaymentsAbstract
1422 Expected Future Benefit Payments Concept (Monetary) For Period Credit rdy:ExpectedFutureBenefitPayments
1423 244 - Disclosure - Employee benefits (Details 9) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails9
1424 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
1425 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1426 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1427 Industrias Quimicas Falcon de Mexico Pension plan [Member] Member rdy:IndustriasQuimicasFalconDeMexicoPensionPlanMember
1428 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1429 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1430 Disclosure of net defined benefit liability (asset) [line items] LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
1431 Current service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
1432 Interest on net defined benefit liability/(asset) Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
1433 Total cost recognized in income statement Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans
1434 245 - Disclosure - Employee benefits (Details 10) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails10
1435 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
1436 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1437 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1438 Industrias Quimicas Falcon de Mexico Pension plan [Member] Member rdy:IndustriasQuimicasFalconDeMexicoPensionPlanMember
1439 Disclosure of net defined benefit liability (asset) [line items] LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
1440 Present value of funded obligations Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
1441 Fair value of plan assets Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
1442 Net defined benefit liability recognized Concept (Monetary) As Of Debit ifrs-full:SurplusDeficitInPlan
1443 246 - Disclosure - Employee benefits (Details 11) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails11
1444 Disclosure of net defined benefit liability (asset) [table] Table

*

*

 ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
1445 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1446 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1447 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1448 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1449 Industrias Quimicas Falcon de Mexico Pension plan [Member] Member rdy:IndustriasQuimicasFalconDeMexicoPensionPlanMember
1450 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1451 Defined benefit obligations at the beginning of the year Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
1452 Current service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
1453 Interest on defined obligations Concept (Monetary) For Period Credit rdy:InterestExpenseIncomeDefinedBenefitObligation
1454 Re-measurements due to: Abstract ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract
1455 Actuarial loss/(gain) due to change in financial assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
1456 Actuarial loss/(gain) due to experience changes Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset
1457 Benefits paid Concept (Monetary) For Period Debit rdy:BenefitsPaid
1458 Foreign exchange differences Concept (Monetary) For Period Credit rdy:ForeignExchangeDifferences
1459 Defined benefit obligations at the end of the year Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
1460 247 - Disclosure - Employee benefits (Details 12) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails12
1461 Disclosure of fair value of plan assets [table] Table

*

*

 ifrs-full:DisclosureOfFairValueOfPlanAssetsTable
1462 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1463 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1464 Industrias Quimicas Falcon de Mexico Pension plan [Member] Member rdy:IndustriasQuimicasFalconDeMexicoPensionPlanMember
1465 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1466 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1467 Disclosure of fair value of plan assets [line items] LineItems ifrs-full:DisclosureOfFairValueOfPlanAssetsLineItems
1468 Fair value of plan assets at the beginning of the year Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
1469 Employer contributions Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
1470 Interest on plan assets Concept (Monetary) For Period Credit rdy:InterestExpenseIncomePlanAssets
1471 Re-measurements due to: Abstract rdy:RemeasurementsDueToAbstract
1472 Return on plan assets excluding interest on plan assets Concept (Monetary) For Period Debit rdy:ReturnOtherThanInterestOnPlanAssets
1473 Benefits paid Concept (Monetary) For Period Debit ifrs-full:PaymentsFromPlanNetDefinedBenefitLiabilityAsset
1474 Foreign exchange differences Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset
1475 Plan assets at the end of the year Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
1476 248 - Disclosure - Employee benefits (Details 13) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails13
1477 Disclosure Of Sensitivity Analysis For Actuarial Assumption [Table] Table

*

*

 rdy:DisclosureOfSensitivityAnalysisForActuarialAssumptionTable
1478 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
1479 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
1480 50 basis points increase Member rdy:FiftyBasisPointsIncreaseMember
1481 50 basis points decrease Member rdy:FiftyBasisPointsDecreaseMember
1482 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1483 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1484 Industrias Quimicas Falcon de Mexico Pension plan [Member] Member rdy:IndustriasQuimicasFalconDeMexicoPensionPlanMember
1485 Measurement [axis] Axis ifrs-full:MeasurementAxis
1486 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1487 Discount rate [Member] Member rdy:DiscountRateMember
1488 Salary growth [Member] Member rdy:SalaryGrowthMember
1489 Disclosure Of Sensitivity Analysis For Actuarial Assumptions [Line Items] LineItems ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems
1490 Defined benefit obligation at present value without effect of salary growth Concept (Monetary) As Of Credit rdy:DefinedBenefitObligationAtPresentValueWithoutEffectOfSalaryGrowth
1491 Plus effect of salary growth Concept (Monetary) As Of Credit rdy:ActuarialAssumptionOfExpectedSalaryIncreases
1492 Defined benefit obligation with projected salary growth Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1493 Defined benefit obligation Concept (Monetary) As Of Credit rdy:DefinedBenefitObligationDueToReasonablyPossibleChangeInActuarialAssumption
1494 249 - Disclosure - Employee benefits (Details 14) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails14
1495 Defined benefit obligations [Table] Table

*

*

 rdy:DefinedBenefitObligationsTable
1496 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
1497 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
1498 Employee benefit obligations [Member] Member rdy:EmployeeBenefitObligationsMember
1499 Assumption Type [Axis] Axis rdy:AssumptionTypeAxis
1500 Assumption Type [Domain] Member rdy:AssumptionTypeDomain
1501 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1502 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1503 Industrias Quimicas Falcon de Mexico Pension plan [Member] Member rdy:IndustriasQuimicasFalconDeMexicoPensionPlanMember
1504 Actuarial assumptions to determine benefit obligations [Line Items] LineItems rdy:ActuarialAssumptionsToDetermineBenefitObligationsLineItems
1505 Discount rate Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
1506 Rate of compensation increase Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
1507 250 - Disclosure - Employee benefits (Details 15) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails15
1508 Defined benefit obligations [Table] Table

*

*

 rdy:DefinedBenefitObligationsTable
1509 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
1510 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
1511 Employee gratuity cost [Member] Member rdy:EmployeeGratuityCostMember
1512 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1513 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1514 Industrias Quimicas Falcon de Mexico Pension plan [Member] Member rdy:IndustriasQuimicasFalconDeMexicoPensionPlanMember
1515 Actuarial assumptions to determine gratuity cost [Line Items] LineItems rdy:ActuarialAssumptionsToDetermineGratuityCostLineItems
1516 Actuarial assumption of discount rates Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
1517 Actuarial assumption of expected rates of salary increases Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
1518 251 - Disclosure - Employee benefits (Details 16) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails16
1519 Weighted-average asset allocation [Table] Table

*

*

 rdy:WeightedaverageAssetAllocationTable
1520 Asset Category [Axis] Axis rdy:AssetCategoryAxis
1521 Asset Category [Domain] Member rdy:AssetCategoryDomain
1522 Corporate bonds [member] Member rdy:FundsManagedByInsurersMember
1523 Others [Member] Member rdy:OthersMember
1524 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1525 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1526 Industrias Quimicas Falcon de Mexico Pension plan [Member] Member rdy:IndustriasQuimicasFalconDeMexicoPensionPlanMember
1527 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1528 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1529 Weighted-average asset allocation [Line Items] LineItems rdy:WeightedaverageAssetAllocationLineItems
1530 Percentage of Weighted average asset allocation Concept (Percent) As Of rdy:PercentageOfWeightedAverageAssetAllocation
1531 252 - Disclosure - Employee benefits (Details 17) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetails17
1532 Disclosure of future cash flows in respect of post-employment benefit plans [Table] Table

*

*

 rdy:DisclosureOfFutureCashFlowsInRespectOfPostemploymentBenefitPlansTable
1533 Time Takens [Axis] Axis rdy:TimeTakensAxis
1534 Time Takens [Domain] Member rdy:TimeTakensDomain
1535 During the year ended March 31, 2019 (estimated) Member rdy:YearZeroMember
1536 March 31, 2019 Member rdy:YearOneMember
1537 March 31, 2020 Member rdy:YearTwoMember
1538 March 31, 2021 Member rdy:YearThreeMember
1539 March 31, 2022 Member rdy:YearFourMember
1540 March 31, 2023 Member rdy:YearFiveMember
1541 Thereafter Member rdy:AfterYearFiveMember
1542 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1543 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
1544 Industrias Quimica Falcon de Mexico [Member] Member rdy:IndustriasQuimicaFalconDeMexicoMember
1545 Maturity Profile Of Benefit Payments [Line Items] LineItems rdy:MaturityProfileOfBenefitPaymentsLineItems
1546 Disclosure Of Expected Contribution To Post Employment Benefit Plans [Abstract] Abstract rdy:DisclosureOfExpectedContributionToPostEmploymentBenefitPlansAbstract
1547 Expected Contribution Concept (Monetary) For Period Credit rdy:ExpectedContribution
1548 Disclosure Of Expected Future Benefit Payments [Abstract] Abstract rdy:DisclosureOfExpectedFutureBenefitPaymentsAbstract
1549 Expected Future Benefit Payments Concept (Monetary) For Period Credit rdy:ExpectedFutureBenefitPayments
1550 253 - Disclosure - Employee benefits (Details Textual) Network

*

*

 http://www.drreddys.com/role/EmployeeBenefitsDetailsTextual
1551 Contribution Type [Table] Table

*

*

 rdy:ContributionTypeTable
1552 Contribution Type [Axis] Axis rdy:ContributionTypeAxis
1553 Contribution Type [Domain] Member rdy:ContributionTypeDomain
1554 Provident Fund Benefits [Member] Member rdy:ProvidentFundBenefitsMember
1555 Superannuation Benefits [Member] Member rdy:SuperannuationBenefitsMember
1556 US 401kretirement savings Plan [Member] Member rdy:Us401kretirementSavingsPlanMember
1557 UK social securiy plan [Member] Member rdy:UkSocialSecuriyPlanMember
1558 Compensated Absences [Member] Member rdy:CompensatedAbsencesMember
1559 Long Term incentive plan [Member] Member rdy:LongTermIncentivePlanMember
1560 Industrias Quimicas Falcon de Mexico Pension plan [Member] Member rdy:IndustriasQuimicasFalconDeMexicoPensionPlanMember
1561 Parent Company Gratuity plan [Member] Member rdy:ParentCompanyGratuityPlanMember
1562 Range [Axis] Axis ifrs-full:RangeAxis
1563 Ranges [member] Member ifrs-full:RangesMember
1564 Accounting estimates [axis] Axis ifrs-full:AccountingEstimatesAxis
1565 Accounting estimates [member] Member ifrs-full:AccountingEstimatesMember
1566 Subsequent Event Type [Axis] Axis us-gaap:SubsequentEventTypeAxis
1567 Subsequent Event Type [Domain] Member us-gaap:SubsequentEventTypeDomain
1568 Detailed Information About Employee Benefit Plans [Line Items] LineItems rdy:DetailedInformationAboutEmployeeBenefitPlansLineItems
1569 Post-employment benefit expense, defined contribution plans Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedContributionPlans
1570 Social security contributions Concept (Monetary) For Period Debit ifrs-full:SocialSecurityContributions
1571 Employee benefits expense Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1572 Liabilities Defined Contribution Plan Concept (Monetary) As Of Credit rdy:LiabilitiesDefinedContributionPlan
1573 Contributions to Plan By Plan Participants Defined Contributions Plan (Percentage) Concept (Percent) For Period rdy:ContributionsToPlanByPlanParticipantsDefinedContributionsPlan
1574 Estimate of contributions expected to be paid to plan for next annual reporting period Concept (Monetary) For Period Credit ifrs-full:EstimateOfContributionsExpectedToBePaidToPlan
1575 254 - Disclosure - Employee stock incentive plans (Details) Network

*

*

 http://www.drreddys.com/role/EmployeeStockIncentivePlansDetails
1576 Plan provides for stock option grants [Table] Table

*

*

 rdy:PlanProvidesForStockOptionGrantsTable
1577 Classes of ordinary shares [axis] Axis ifrs-full:ClassesOfOrdinarySharesAxis
1578 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
1579 Category A [Member] Member rdy:CategoryMember
1580 Category B [Member] Member rdy:CategoryBMember
1581 DRL [Axis] Axis rdy:DrlAxis
1582 DRL [Domain] Member rdy:DrlDomain
1583 DRL 2002 Plan [Member] Member rdy:Drl2002PlanMember
1584 Options reserved under stock plan [Line Items] LineItems rdy:OptionsReservedUnderStockPlanLineItems
1585 Options reserved under original Plan Concept (Shares) For Period rdy:OptionsReservedUnderStockPlan
1586 Options exercised prior to stock dividend date (A) Concept (Shares) For Period rdy:OptionsExercisedPriorToStockDividendDate
1587 Balance of shares that can be allotted on exercise of options (B) Concept (Shares) For Period rdy:BalanceOfSharesThatCanBeAllottedOnExerciseOfOptions
1588 Options arising from stock dividend (C) Concept (Shares) For Period rdy:OptionsArisingFromStockDividend
1589 Options reserved after stock dividend (A+B+C) Concept (Shares) For Period rdy:OptionsReservedAfterStockDividend
1590 255 - Disclosure - Employee stock incentive plans (Details 1) Network

*

*

 http://www.drreddys.com/role/EmployeeStockIncentivePlansDetails1
1591 Disclosure of number and weighted average remaining contractual life of outstanding share options [table] Table

*

*

 ifrs-full:DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable
1592 DRL 2007 Plan [Axis] Axis rdy:Drl2007PlanAxis
1593 DRL 2007 Plan [Domain] Member rdy:Drl2007PlanDomain
1594 DRL 2007 Plan [Member] Member rdy:DrlTwoThousandSevenPlanMember
1595 DRL 2002 Plan [Axis] Axis rdy:Drl2002PlanAxis
1596 DRL 2002 Plan [Domain] Member rdy:Drl2002PlanDomain
1597 DRL 2002 Plan [Member] Member rdy:Drl2002PlanMember
1598 Classes of ordinary shares [axis] Axis ifrs-full:ClassesOfOrdinarySharesAxis
1599 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
1600 Category B Par Value Options [Member] Member rdy:CategoryBParValueOptionsMember
1601 Shares arising out of Options [Axis] Axis rdy:SharesArisingOutOfOptionsAxis
1602 Shares arising out of Options [Domain] Member rdy:SharesArisingOutOfOptionsDomain
1603 Ranges of exercise prices for outstanding share options [axis] Axis ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis
1604 Ranges of exercise prices for outstanding share options [member] Member ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember
1605 Exercise Prices Rs 5 [Member] Member rdy:ExercisepricesRs5Member
1606 Weighted Average Remaining Contractual Life Of Outstanding Share [Axis] Axis rdy:WeightedAverageRemainingContractualLifeOfOutstandingShareAxis
1607 Weighted Average Remaining Contractual Life Of Outstanding Share [Domain] Member rdy:WeightedAverageRemainingContractualLifeOfOutstandingShareDomain
1608 Stock options activity under this category [Line Items] LineItems rdy:StockOptionsActivityUnderThisCategoryLineItems
1609 Shares arising out of options, Outstanding at the beginning of the year Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1610 Shares arising out of options, Granted during the year Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1611 Shares arising out of options, Expired/forfeited during the year Concept (Decimal) For Period rdy:NumberOfSharesOptionsExpiredForfeitedInSharebasedPaymentArrangement
1612 Shares arising out of options, Exercised during the year Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
1613 Shares arising out of options, Outstanding at the end of the year Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1614 Shares arising out of options, Exercisable at the end of the year Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
1615 Weighted average exercise price, Outstanding at the beginning of the year Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1616 Weighted average exercise price, Granted during the year Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
1617 Weighted average exercise price, Expired/forfeited during the year Concept (Monetary) For Period Debit rdy:WeightedAverageExercisePriceOfShareOptionsExpiredForfeitedInSharebasedPaymentArrangement
1618 Weighted average exercise price, Exercised during the year Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
1619 Weighted average exercise price, Outstanding at the end of the year Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1620 Weighted average exercise price, Exercisable at the end of the year Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
1621 Weighted average remaining useful life, Outstanding at the beginning of the year Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
1622 Weighted average remaining useful life, Granted during the year Concept (Decimal) For Period rdy:WeightedAverageRemainingContractualLifeOfGrantedShareOptions
1623 Weighted average remaining useful life, Outstanding at the end of the year Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
1624 Weighted average remaining useful life, Exercisable at the end of the year Concept (Decimal) As Of rdy:WeightedAverageRemainingContractualLifeOfExercisableSharesOptionsAtEnd
1625 256 - Disclosure - Employee stock incentive plans (Details 2) Network

*

*

 http://www.drreddys.com/role/EmployeeStockIncentivePlansDetails2
1626 Disclosure weighted average inputs used fair value of options granted [Table] Table

*

*

 rdy:DisclosureWeightedAverageInputsUsedFairValueOfOptionsGrantedTable
1627 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1628 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1629 Weighted average inputs used in the fair value of options granted [Line Items] LineItems rdy:WeightedAverageInputsUsedInFairValueOfOptionsGrantedLineItems
1630 Expected volatility Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
1631 Exercise price Concept (Monetary) For Period ifrs-full:ExercisePriceShareOptionsGranted
1632 Option life Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
1633 Risk-free interest rate Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
1634 Expected dividends Concept (Percent) For Period ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted
1635 Grant date share price Concept (Monetary) For Period ifrs-full:WeightedAverageSharePriceShareOptionsGranted
1636 Expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets [abstract] Abstract ifrs-full:ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssetsAbstract
1637 257 - Disclosure - Employee stock incentive plans (Details 3) Network

*

*

 http://www.drreddys.com/role/EmployeeStockIncentivePlansDetails3
1638 Weighted average inputs used in fair value of options granted [Table] Table

*

*

 rdy:WeightedAverageInputsUsedInFairValueOfOptionsGrantedTable
1639 Award [Axis] Axis rdy:AwardAxis
1640 Award [Domain] Member rdy:AwardDomain
1641 Cash Settled Share-based Payment [Member] Member rdy:CashSettledSharebasedPaymentMember
1642 Equity Settled [Member] Member rdy:EquitySettledMember
1643 Disclosure of detailed information about share based payment expense [Line Items] LineItems rdy:DisclosureOfDetailedInformationAboutShareBasedPaymentExpenseLineItems
1644 Cash settled share-based payment expense Concept (Monetary) For Period Debit ifrs-full:ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
1645 Share-based payment expense Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
1646 258 - Disclosure - Employee stock incentive plans (Details Textual) Network

*

*

 http://www.drreddys.com/role/EmployeeStockIncentivePlansDetailsTextual
1647 Employee stock incentive plan [Table] Table

*

*

 rdy:EmployeeStockIncentivePlanTable
1648 DRL 2002 Plan [Axis] Axis rdy:Drl2002PlanAxis
1649 DRL 2002 Plan [Domain] Member rdy:Drl2002PlanDomain
1650 DRL 2002 Plan [Member] Member rdy:Drl2002PlanMember
1651 Category [Axis] Axis rdy:CategoryAxis
1652 Category [Domain] Member rdy:CategoryDomain
1653 Categories A [Member] Member rdy:CategoriesMember
1654 Categories B [Member] Member rdy:CategoriesBMember
1655 DRL 2007 Plan [Axis] Axis rdy:Drl2007PlanAxis
1656 DRL 2007 Plan [Domain] Member rdy:Drl2007PlanDomain
1657 DRL 2007 Plans [Member] Member rdy:Drl2007PlansMember
1658 Award [Axis] Axis rdy:AwardAxis
1659 Award [Domain] Member rdy:AwardDomain
1660 Equity Settled [Member] Member rdy:EquitySettledMember
1661 Cash Settled Share-based Payment [Member] Member rdy:CashSettledSharebasedPaymentMember
1662 Employee stock incentive plan [Line Items] LineItems rdy:EmployeeStockIncentivePlanLineItems
1663 Description of vesting requirements for share-based payment arrangement Concept (Text/String) For Period ifrs-full:DescriptionOfVestingRequirementsForSharebasedPaymentArrangement
1664 Weighted average fair value at measurement date, share options granted Concept (Monetary) As Of Credit ifrs-full:WeightedAverageFairValueAtMeasurementDateShareOptionsGranted
1665 Intrinsic Value of Options exercised Concept (Monetary) As Of Credit rdy:IntrinsicValueOfOptionsExercised
1666 Intrinsic Value of Options outstanding Concept (Monetary) As Of Credit rdy:IntrinsicValueOfOptionsOutstanding
1667 Intrinsic Value of Options Exercisable Concept (Monetary) As Of Credit rdy:IntrinsicValueOfOptionsExercisable
1668 Par value of underlying equity shares Concept (Decimal) For Period rdy:ParValueOfUnderlyingEquityShares
1669 Description of extended term of options granted for share-based payment arrangement Concept (Text/String) For Period rdy:DescriptionOfExtendedTermOfOptionsGrantedForSharebasedPaymentArrangement
1670 Number of instruments in share based payment arrangement available for grant Concept (Shares) As Of rdy:NumberOfInstrumentsInSharebasedPaymentArrangementAvailableForGrant
1671 Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise
1672 Requisite period for recognition of expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets Concept (Text/String) For Period rdy:RequisitePeriodForRecognitionOfExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
1673 Employees Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Concept (Monetary) As Of Debit rdy:EmployeesServiceSharebasedCompensationNonvestedAwardsCompensationCostNotYetRecognized
1674 259 - Disclosure - Provisions (Details) Network

*

*

 http://www.drreddys.com/role/ProvisionsDetails
1675 Disclosure of other provisions [table] Table

*

*

 ifrs-full:DisclosureOfOtherProvisionsTable
1676 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
1677 Other provisions [member] Member ifrs-full:OtherProvisionsMember
1678 Allowance for sales return provision [Member] Member rdy:AllowanceForSalesReturnProvisionMember
1679 Environmental liability provisions [Member] Member ifrs-full:OtherEnvironmentRelatedProvisionMember
1680 Legal and others provision [Member] Member ifrs-full:LegalProceedingsProvisionMember
1681 Disclosure of other provisions [line items] LineItems ifrs-full:DisclosureOfOtherProvisionsLineItems
1682 Balance as at April 1, 2017 Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
1683 Provision made during the year Concept (Monetary) For Period Credit ifrs-full:AdditionalProvisionsOtherProvisions
1684 Provision used or reversed during the year Concept (Monetary) For Period Debit ifrs-full:ProvisionUsedOtherProvisions
1685 Effect of changes in foreign exchange rates Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions
1686 Balance as at March 31, 2018 Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
1687 Current Concept (Monetary) As Of Credit ifrs-full:OtherShorttermProvisions
1688 Non-current Concept (Monetary) As Of Credit ifrs-full:OtherLongtermProvisions
1689 Other provisions Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
1690 260 - Disclosure - Provisions (Details Textual) Network

*

*

 http://www.drreddys.com/role/ProvisionsDetailsTextual
1691 Disclosure of other provisions [table] Table

*

*

 ifrs-full:DisclosureOfOtherProvisionsTable
1692 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
1693 Other provisions [member] Member ifrs-full:OtherProvisionsMember
1694 Other environment related provision [member] Member ifrs-full:OtherEnvironmentRelatedProvisionMember
1695 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
1696 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
1697 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1698 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1699 Liability assumed on acquisition of a unit of The Dow chemical company [Member] Member rdy:LiabilityAssumedOnAcquisitionOfUnitOfDowChemicalCompanyMember
1700 Disclosure of other provisions [line items] LineItems ifrs-full:DisclosureOfOtherProvisionsLineItems
1701 Initial liability assumed Concept (Monetary) As Of Credit rdy:InitialLiabilityAssumed
1702 Other provisions Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
1703 261 - Disclosure - Trade and other payables (Details) Network

*

*

 http://www.drreddys.com/role/TradeAndOtherPayablesDetails
1704 Implied Table Table

*

*

 implied:Table
1705 Trade and other current payables [abstract] Abstract ifrs-full:TradeAndOtherCurrentPayablesAbstract
1706 Due to related parties Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties
1707 Others Concept (Monetary) As Of Credit ifrs-full:OtherCurrentPayables
1708 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1709 262 - Disclosure - Other liabilities (Details) Network

*

*

 http://www.drreddys.com/role/OtherLiabilitiesDetails
1710 Other Liabilities [Table] Table

*

*

 rdy:OtherLiabilitiesTable
1711 Maturity [axis] Axis ifrs-full:MaturityAxis
1712 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1713 Other Liabilities [Line Items] LineItems rdy:OtherLiabilitiesLineItems
1714 Current Abstract ifrs-full:MiscellaneousCurrentLiabilitiesAbstract
1715 Accrued expenses Concept (Monetary) As Of Credit ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
1716 Employee benefits payable Concept (Monetary) As Of Credit ifrs-full:CurrentProvisionsForEmployeeBenefits
1717 Statutory dues payable Concept (Monetary) As Of Credit ifrs-full:CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax
1718 Deferred revenue Concept (Monetary) As Of Credit ifrs-full:DeferredIncomeClassifiedAsCurrent
1719 Advance from customers Concept (Monetary) As Of Credit ifrs-full:CurrentAdvances
1720 Others Concept (Monetary) As Of Credit rdy:OthersClassfiedAsCurrent
1721 Current liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentLiabilities
1722 Non-current Abstract ifrs-full:MiscellaneousNoncurrentLiabilitiesAbstract
1723 Deferred revenue Concept (Monetary) As Of Credit ifrs-full:DeferredIncomeClassifiedAsNoncurrent
1724 Others Concept (Monetary) As Of Credit rdy:OthersClassfiedAsNoncurrent
1725 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
1726 263 - Disclosure - Revenue (Details) Network

*

*

 http://www.drreddys.com/role/RevenueDetails
1727 Implied Table Table

*

*

 implied:Table
1728 Revenue [abstract] Abstract ifrs-full:RevenueAbstract
1729 Sales Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfGoods
1730 Service income Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfServices
1731 License fees Concept (Monetary) For Period Credit ifrs-full:LicenceFeeIncome
1732 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
1733 Excise duty included in revenues Concept (Monetary) For Period Debit rdy:ExciseDuty
1734 264 - Disclosure - Other (income)/expense, net (Details) Network

*

*

 http://www.drreddys.com/role/OtherIncomeexpenseNetDetails
1735 Implied Table Table

*

*

 implied:Table
1736 Other operating income expense [Abstract] Abstract rdy:OtherOperatingIncomeExpenseAbstract
1737 Loss on sale/disposal of property, plant and equipment and other intangibles, net Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfNoncurrentAssets
1738 Sale of spent chemical Concept (Monetary) For Period Credit rdy:SaleOfSpentChemical
1739 Scrap sales Concept (Monetary) For Period Credit rdy:GainsLossesOnScrapSales
1740 Miscellaneous income, net Concept (Monetary) For Period Credit ifrs-full:MiscellaneousOtherOperatingIncome
1741 Other (income)/expense, net Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
1742 265 - Disclosure - Other (income)/expense, net (Details Textual) Network

*

*

 http://www.drreddys.com/role/OtherIncomeexpenseNetDetailsTextual
1743 Statement [Table] Table

*

*

 us-gaap:StatementTable
1744 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1745 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1746 Litigation Case [Axis] Axis us-gaap:LitigationCaseAxis
1747 Litigation Case [Domain] Member us-gaap:LitigationCaseTypeDomain
1748 Litigation settlement compensation received [Member] Member rdy:LitigationSettlementCompensationReceivedMember
1749 Statement [Line Items] LineItems us-gaap:StatementLineItems
1750 Miscellaneous income, net Concept (Monetary) For Period Credit ifrs-full:MiscellaneousOtherOperatingIncome
1751 266 - Disclosure - Finance (expense)/income, net (Details) Network

*

*

 http://www.drreddys.com/role/FinanceExpenseincomeNetDetails
1752 Implied Table Table

*

*

 implied:Table
1753 Finance expense income [Abstract] Abstract rdy:FinanceExpenseIncomeAbstract
1754 Interest income Concept (Monetary) For Period Credit ifrs-full:InvestmentIncome
1755 Dividend and profit on sale of other investments Concept (Monetary) For Period Credit rdy:DividendAndProfitOnSaleOfOtherInvestments
1756 Foreign exchange gain Concept (Monetary) For Period Credit ifrs-full:NetForeignExchangeGain
1757 Finance income (A) Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
1758 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
1759 Foreign exchange loss Concept (Monetary) For Period Debit ifrs-full:NetForeignExchangeLoss
1760 Finance expense (B) Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
1761 Finance (expense)/income, net Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
1762 267 - Disclosure - Finance (expense)/income, net (Details Textual) Network

*

*

 http://www.drreddys.com/role/FinanceExpenseincomeNetDetailsTextual
1763 Finance Expense Income [Table] Table

*

*

 rdy:FinanceExpenseIncomeTable
1764 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1765 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1766 Venezuela operation [Member] Member rdy:VenezuelaOperationMember
1767 Finance Expense Income [Line Items] LineItems rdy:FinanceExpenseIncomeLineItems
1768 Net foreign exchange loss Concept (Monetary) For Period Debit ifrs-full:NetForeignExchangeLoss
1769 268 - Disclosure - Income taxes (Details) Network

*

*

 http://www.drreddys.com/role/IncomeTaxesDetails
1770 Disclosure of income tax [Table] Table

*

*

 rdy:DisclosureOfIncomeTaxTable
1771 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1772 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1773 Country of domicile [member] Member ifrs-full:CountryOfDomicileMember
1774 Foreign countries [member] Member ifrs-full:ForeignCountriesMember
1775 Disclosure of income tax [Line Items] LineItems rdy:DisclosureOfIncomeTaxLineItems
1776 Current taxes Abstract ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract
1777 Current taxes Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
1778 Deferred taxes (expense)/benefit Abstract ifrs-full:DeferredTaxExpenseIncomeAbstract
1779 Deferred taxes (expense)/benefit Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
1780 Total income tax expense recognized in the income statement Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1781 269 - Disclosure - Income taxes (Details 1) Network

*

*

 http://www.drreddys.com/role/IncomeTaxesDetails1
1782 Implied Table Table

*

*

 implied:Table
1783 Current and deferred tax relating to items charged or credited directly to equity [abstract] Abstract ifrs-full:CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquityAbstract
1784 Tax effect on changes in fair value of other investments Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToAvailableforsaleFinancialAssetsOfOtherComprehensiveIncome
1785 Tax effect on foreign currency translation differences Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome
1786 Tax effect on effective portion of change in fair value of cash flow hedges Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome
1787 Tax effect on actuarial gains/losses on defined benefit obligations Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome
1788 Current and deferred tax relating to items credited (charged) directly to equity Concept (Monetary) For Period Debit ifrs-full:CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity
1789 270 - Disclosure - Income taxes (Details 2) Network

*

*

 http://www.drreddys.com/role/IncomeTaxesDetails2
1790 Implied Table Table

*

*

 implied:Table
1791 Reconciliation of average effective tax rate and applicable tax rate [abstract] Abstract ifrs-full:ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract
1792 Profit before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1793 Enacted tax rate in India Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1794 Computed expected tax benefit/(expense) Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
1795 Effect of: Abstract rdy:ReconciliationOfEffectiveTaxRateAbstract
1796 Differences between Indian and foreign tax rates Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
1797 (Unrecognized deferred tax assets)/recognition of previously unrecognized deferred tax assets, net Concept (Monetary) For Period Debit rdy:RecognitionOfPreviouslyUnrecognisedDeferredTaxAssetsOrUnrecognisedDeferredTaxAssets
1798 Expenses not deductible for tax purposes Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1799 Reversal of earlier years’ tax provisions Concept (Monetary) For Period Credit rdy:ReversalOfEarlierYearsTaxProvisions
1800 Income exempt from income taxes Concept (Monetary) For Period Credit ifrs-full:TaxEffectOfRevenuesExemptFromTaxation2011
1801 Foreign exchange differences Concept (Monetary) For Period Credit rdy:ForeignExchangeDifferencesOnIncomeTaxes
1802 Incremental deduction allowed for research and development costs Concept (Monetary) For Period Debit rdy:IncrementalDeductionAllowedForResearchAndDevelopmentCosts
1803 Tax expense on distributed/undistributed earnings of subsidiary outside India Concept (Monetary) For Period Credit rdy:TaxExpenseOnDistrubutionOfProfitsBySubsidiary
1804 Deduction for Qualified domestic production activities in the United States Concept (Monetary) For Period Debit rdy:QualifiedDomesticProductionActivitiesDeductionInUnitedStates
1805 Effect of change in tax rate Concept (Monetary) For Period Debit ifrs-full:TaxEffectFromChangeInTaxRate
1806 Investment allowance deduction Concept (Monetary) For Period Debit rdy:InvestmentAllowanceDeduction
1807 Others Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
1808 Income tax benefit/(expense) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1809 Effective tax rate Concept (Percent) For Period ifrs-full:AverageEffectiveTaxRate
1810 271 - Disclosure - Income taxes (Details 3) Network

*

*

 http://www.drreddys.com/role/IncomeTaxesDetails3
1811 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

 ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1812 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1813 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1814 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1815 Deductible temporary differences, net Concept (Monetary) As Of ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised
1816 Operating tax loss carry forward Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
1817 Unrecognized Deferred Tax Assets And Liabilities Concept (Monetary) As Of Debit rdy:UnrecognizedDeferredTaxAssetsAndLiabilities
1818 272 - Disclosure - Income taxes (Details 4) Network

*

*

 http://www.drreddys.com/role/IncomeTaxesDetails4
1819 Disclosure of temporary differences in deferred tax assets and liabilities [Table] Table

*

*

 rdy:DisclosureOfTemporaryDifferencesInDeferredTaxAssetsAndLiabilitiesTable
1820 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1821 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1822 Inventory [Member] Member rdy:InventoryTemporaryDifferenceMember
1823 Minimum Alternate Tax [Member] Member rdy:MinimumAlternateTaxTemporaryDifferenceMember
1824 Trade and other receivables [Member] Member rdy:TradeAndOtherReceivablesTemporaryDifferenceMember
1825 Operating tax loss and interest loss carry-forward [Member] Member rdy:OperatingTaxLossAndInterestLossCarryforwardTemporaryDifferenceMember
1826 Other current assets and other current liabilities, net [Member] Member rdy:OtherCurrentAssetsAndOtherCurrentLiabilitiesNetTemporaryDifferenceMember
1827 Property, plant and equipment [Member] Member rdy:PropertyPlantAndEquipmentTemporaryDifferenceMember
1828 Other intangible assets [Member] Member rdy:OtherIntangibleAssetsTemporaryDifferenceMember
1829 Others [Member] Member ifrs-full:OtherTemporaryDifferencesMember
1830 Disclosure of temporary differences in deferred tax assets and liabilities [Line Items] LineItems rdy:DisclosureOfTemporaryDifferencesInDeferredTaxAssetsAndLiabilitiesLineItems
1831 Deferred tax liability (asset) Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1832 273 - Disclosure - Income taxes (Details 5) Network

*

*

 http://www.drreddys.com/role/IncomeTaxesDetails5
1833 Disclosure Of Movement in deferred tax assets and liabilities [Table] Table

*

*

 rdy:DisclosureOfMovementInDeferredTaxAssetsAndLiabilitiesTable
1834 Deferred tax assets and liabilities [Axis] Axis rdy:DeferredTaxAssetsAndLiabilitiesAxis
1835 Deferred tax assets and liabilities [Domain] Member rdy:DeferredTaxAssetsAndLiabilitiesDomain
1836 Inventory [Member] Member rdy:InventorydeferredTaxLiabilityAssetMember
1837 Minimum Alternate Tax [Member] Member rdy:MinimumAlternateTaxdeferredTaxLiabilityAssetMember
1838 Trade and other receivables [Member] Member rdy:TradeAndOtherReceivablesdeferredTaxLiabilityAssetMember
1839 Operating tax loss and interest loss carry-forward [Member] Member rdy:OperatingTaxLossAndInterestLossCarryforwarddeferredTaxLiabilityAssetMember
1840 Other current assets and other current liabilities, net [Member] Member rdy:OtherCurrentAssetsAndOtherCurrentLiabilitiesNetdeferredTaxLiabilityAssetMember
1841 Property, plant and equipment [Member] Member rdy:PropertyPlantAndEquipmentdeferredTaxLiabilityAssetMember
1842 Other intangible assets [Member] Member rdy:IntangibleAssetsdeferredTaxLiabilityAssetMember
1843 Others [Member] Member rdy:OthersdeferredTaxLiabilityAssetMemberMember
1844 Disclosure Of Movement in deferred tax assets and liabilities [Line Items] LineItems rdy:DisclosureOfMovementInDeferredTaxAssetsAndLiabilitiesLineItems
1845 Balance, at the beginning Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1846 Recognized in income statement Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1847 Recognized in equity Concept (Monetary) For Period ifrs-full:DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity
1848 Balance, at the end Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1849 274 - Disclosure - Income taxes (Details Textual) Network

*

*

 http://www.drreddys.com/role/IncomeTaxesDetailsTextual
1850 Disclosure Of Movement in deferred tax assets and liabilities [Table] Table

*

*

 rdy:DisclosureOfMovementInDeferredTaxAssetsAndLiabilitiesTable
1851 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1852 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1853 Venezuela subsidiary [Member] Member rdy:VenezuelaSubsidiaryMember
1854 Other Subsidiary [Member] Member rdy:OtherSubsidiaryMember
1855 Tax Impacts [Axis] Axis rdy:TaxImpactsAxis
1856 Tax Impacts [Domain] Member rdy:TaxImpactsDomain
1857 Taxs Cuts And Jobs Act [Member] Member rdy:TaxsCutsAndJobsActMember
1858 Disclosure Of Movement in deferred tax assets and liabilities [Line Items] LineItems rdy:DisclosureOfMovementInDeferredTaxAssetsAndLiabilitiesLineItems
1859 Deferred income taxes not recognized on undistributed earnings of subsidiaries Concept (Monetary) As Of Credit rdy:DeferredIncomeTaxesNotRecognizedOnUndistributedEarningsOfSubsidiaries
1860 Unrecognize deferred tax assets on operating tax losses Concept (Monetary) For Period Credit rdy:UnrecognizeDeferredTaxAssetsOnOperatingTaxLosses
1861 Reversal of earlier years tax provisions Concept (Monetary) For Period Credit rdy:ReversalOfEarlierYearsTaxProvisions
1862 Exchange Differences on Foreign Currency translations Recognised In Income Statement On Deferred Tax Concept (Monetary) For Period Credit rdy:ExchangeDifferencesOnForeignCurrencyTranslationsRecognisedInIncomeStatementOnDeferredTax
1863 Tax effect from change in tax rate Concept (Monetary) For Period Debit ifrs-full:TaxEffectFromChangeInTaxRate
1864 Federal Statutory Tax Rates for USA Before Tax Cuts and Jobs Act Concept (Percent) For Period rdy:FederalStatutoryTaxRatesForUsaBeforeTaxCutsAndJobsAct
1865 Federal Statutory Tax Rates for USA After Tax Cuts and Jobs Act Concept (Percent) For Period rdy:FederalStatutoryTaxRatesForUsaAfterTaxCutsAndJobsAct
1866 275 - Disclosure - Operating leases (Details) Network

*

*

 http://www.drreddys.com/role/OperatingLeasesDetails
1867 Disclosure of finance lease and operating lease by lessee [table] Table

*

*

 ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable
1868 Maturity [axis] Axis ifrs-full:MaturityAxis
1869 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1870 Less than one year Member ifrs-full:NotLaterThanOneYearMember
1871 Between one and five years Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1872 More than five years Member ifrs-full:LaterThanFiveYearsMember
1873 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1874 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
1875 Disclosure of operating lease by lessee [Line Items] LineItems rdy:DisclosureOfOperatingLeaseByLesseeLineItems
1876 Minimum lease payments payable under non-cancellable operating lease Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
1877 276 - Disclosure - Operating leases (Details Textual) Network

*

*

 http://www.drreddys.com/role/OperatingLeasesDetailsTextual
1878 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1879 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1880 Property, Plant and Equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
1881 Office and laboratory Facility [Member] Member rdy:OfficeAndLaboratoryFacilityMember
1882 Disclosure of operating lease by lessee [Line Items] LineItems rdy:DisclosureOfOperatingLeaseByLesseeLineItems
1883 Minimum operating lease payments recognised as expense Concept (Monetary) For Period Debit ifrs-full:MinimumOperatingLeasePayments
1884 Minimum lease payments payable under non-cancellable operating lease Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
1885 277 - Disclosure - Related parties (Details) Network

*

*

 http://www.drreddys.com/role/RelatedPartiesDetails
1886 Disclosure of transactions between related parties [table] Table

*

*

 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1887 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1888 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1889 Catering services received [Member] Member rdy:CateringServicesReceivedMember
1890 Hotel expenses paid [Member] Member rdy:HotelExpensesPaidMember
1891 Research and development [Member] Member rdy:ResearchAndDevelopmentMember
1892 Disclosure of transactions between related parties [line items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1893 Services Received Concept (Monetary) For Period Debit rdy:ServicesReceived
1894 Research and development services provided Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfServicesRelatedPartyTransactions
1895 Contributions towards social development Concept (Monetary) For Period Debit rdy:ContributionsTowardsSocialDevelopmentRelatedPartyTransactions
1896 Lease rentals paid under cancellable operating leases to key management personnel and their relatives Concept (Monetary) For Period ifrs-full:LeasesAsLesseeRelatedPartyTransactions
1897 Others Concept (Monetary) For Period Debit rdy:OtherPurchasessalesRelatedPartyTransactions
1898 278 - Disclosure - Related parties (Details 1) Network

*

*

 http://www.drreddys.com/role/RelatedPartiesDetails1
1899 Due from/to related parties [Table] Table

*

*

 rdy:OutstandingBalancesForRelatedPartyTransactionsTable
1900 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1901 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1902 Key management personnel (towards rent deposits) Member ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
1903 Other related parties Member ifrs-full:OtherRelatedPartiesMember
1904 Due from/to related parties [Line Items] LineItems rdy:OutstandingBalancesForRelatedPartyTransactionsLineItems
1905 Amounts receivable, related party transactions Concept (Monetary) As Of Debit ifrs-full:AmountsReceivableRelatedPartyTransactions
1906 Amounts payable, related party transactions Concept (Monetary) As Of Credit ifrs-full:AmountsPayableRelatedPartyTransactions
1907 279 - Disclosure - Related parties (Details 2) Network

*

*

 http://www.drreddys.com/role/RelatedPartiesDetails2
1908 Disclosure Of Key Management Personnel Compensation [Table] Table

*

*

 rdy:DisclosureOfKeyManagementPersonnelCompensationTable
1909 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1910 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1911 Key Management Personnel [Member] Member rdy:KeyManagementPersonnelMember
1912 Disclosure Of Key Management Personnel Compensation [Line Items] LineItems rdy:DisclosureOfKeyManagementPersonnelCompensationLineItems
1913 Salaries and other benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
1914 Contributions to defined contribution plans Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
1915 Commission to directors Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
1916 Share-based payments expense Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
1917 Total Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1918 280 - Disclosure - Related parties (Details Textual) Network

*

*

 http://www.drreddys.com/role/RelatedPartiesDetailsTextual
1919 Implied Table Table

*

*

 implied:Table
1920 Disclosure Of Key Management Personnel Compensation [Abstract] Abstract rdy:DisclosureOfKeyManagementPersonnelCompensationAbstract
1921 Key management personnel compensation, other long-term employee benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationOtherLongtermBenefits
1922 281 - Disclosure - Financial instruments (Details) Network

*

*

 http://www.drreddys.com/role/FinancialInstrumentsDetails
1923 Subclassifications Of Assets Liabilities And Equities [Table] Table

*

*

 rdy:SubclassificationsOfAssetsLiabilitiesAndEquitiesTable
1924 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1925 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1926 Loans and receivables [member] Member ifrs-full:LoansAndReceivablesCategoryMember
1927 Available for sale [member] Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
1928 Held-to-maturity [member] Member ifrs-full:HeldtomaturityInvestmentsCategoryMember
1929 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1930 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
1931 Other financial liabilities [member] Member ifrs-full:FinancialLiabilitiesOutsideScopeOfIFRS7Member
1932 Value Type Of Financial Instrument [Axis] Axis rdy:ValueTypeOfFinancialInstrumentAxis
1933 Value Type Of Financial Instrument [Domain] Member rdy:ValueTypeOfFinancialInstrumentDomain
1934 Total carrying value [Member] Member rdy:TotalCarryingValueMember
1935 Total fair value [Member] Member rdy:TotalFairValueMember
1936 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1937 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1938 Derivatives [member] Member ifrs-full:DerivativesMember
1939 Subclassifications Of Assets Liabilities And Equities [Line Items] LineItems rdy:SubclassificationsOfAssetsLiabilitiesAndEquitiesLineItems
1940 Assets: Abstract ifrs-full:DisclosureOfFinancialAssetsAbstract
1941 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1942 Other investments Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1943 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeReceivables
1944 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:CurrentDerivativeFinancialAssets
1945 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherFinancialAssets
1946 Total Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1947 Liabilities: Abstract ifrs-full:DisclosureOfFinancialLiabilitiesAbstract
1948 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1949 Derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
1950 Long-term borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1951 Short-term borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
1952 Bank overdraft Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
1953 Other liabilities and provisions Concept (Monetary) As Of Credit ifrs-full:OtherFinancialLiabilities
1954 Total Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1955 282 - Disclosure - Financial instruments (Details 1) Network

*

*

 http://www.drreddys.com/role/FinancialInstrumentsDetails1
1956 Fair value hierarchy of assets and liabilities on a recurring basis [Table] Table

*

*

 rdy:FairValueHierarchyOfAssetsAndLiabilitiesOnRecurringBasisTable
1957 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1958 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1959 Level 1 of fair value hierarchy [member] Member ifrs-full:Level1OfFairValueHierarchyMember
1960 Level 2 of fair value hierarchy [member] Member ifrs-full:Level2OfFairValueHierarchyMember
1961 Level 3 of fair value hierarchy [member] Member ifrs-full:Level3OfFairValueHierarchyMember
1962 Transaction Types [Axis] Axis rdy:TransactionTypesAxis
1963 Transaction Type [Domain] Member rdy:TransactionTypeDomain
1964 Investment in MF [Member] Member rdy:InvestmentInMfMember
1965 Investment in Equity [Member] Member rdy:InvestmentInEquityMember
1966 Gain/(loss) on outstanding derivative contracts [Member] Member rdy:GainlossOnExchangeDifferenceMember
1967 Measurement [axis] Axis ifrs-full:MeasurementAxis
1968 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1969 Recurring fair value measurement [member] Member ifrs-full:RecurringFairValueMeasurementMember
1970 Fair value hierarchy of assets and liabilities [Line Items] LineItems rdy:FairValueHierarchyOfAssetsAndLiabilitiesLineItems
1971 Available for sale - Financial asset Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAvailableforsale
1972 Derivative Finanicial Assets And Liabilties Concept (Monetary) As Of Debit rdy:DerivativeFinanicialAssetsAndLiabilties
1973 283 - Disclosure - Financial instruments (Details 2) Network

*

*

 http://www.drreddys.com/role/FinancialInstrumentsDetails2
1974 Disclosure notional amount of outstanding foreign exchange derivative contracts [Table] Table

*

*

 rdy:DisclosureNotionalAmountOfOutstandingForeignExchangeDerivativeContractsTable
1975 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1976 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1977 Forward contract| US$ - INR| Sell [Member] Member rdy:ForwardContractUsInrSellMember
1978 Forward contract| US$ - RON| Buy [Member] Member rdy:ForwardContractUsRonBuyMember
1979 Forward contract| US$ - RUB| Buy [Member] Member rdy:ForwardContractUsRubBuyMember
1980 Forward contract| EUR - US$| Sell [Member] Member rdy:ForwardContractEurUsSellMember
1981 Forward contract| GBP - US$| Buy [Member] Member rdy:ForwardContractGbpUsBuyMember
1982 Option contract| US - INR| Sell [Member] Member rdy:OptionContractUsInrSellMember
1983 Forward contract| RUB - INR| Sell [Member] Member rdy:ForwardContractRubInrSellMember
1984 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1985 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1986 Hedges of recognised assets and liabilities [Member] Member rdy:HedgesOfRecognisedAssetsAndLiabilitiesMember
1987 Hedges of highly probable forecasted transactions [Member] Member rdy:HedgesOfHighlyProbableForecastedTransactionsMember
1988 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
1989 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
1990 Contract One [Member] Member rdy:ContractOneMember
1991 Contract Two [Member] Member rdy:ContractTwoMember
1992 Contract Three [Member] Member rdy:ContractThreeMember
1993 Contract Four [Member] Member rdy:ContractFourMember
1994 Contract Five [Member] Member rdy:ContractFiveMember
1995 Contract Six [Member] Member rdy:ContractSixMember
1996 Contract Seven [Member] Member rdy:ContractSevenMember
1997 Contract Eight [Member] Member rdy:ContractEightMember
1998 Disclosure notional amount of outstanding foreign exchange derivative contracts [Line Items] LineItems rdy:DisclosureNotionalAmountOfOutstandingForeignExchangeDerivativeContractsLineItems
1999 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2000 284 - Disclosure - Financial instruments (Details 3) Network

*

*

 http://www.drreddys.com/role/FinancialInstrumentsDetails3
2001 Disclosure of detailed information about hedged items [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutHedgedItemsTable
2002 Type of Currency [Axis] Axis rdy:TypeOfCurrencyAxis
2003 Type of Currency [Domain] Member rdy:TypeOfCurrencyDomain
2004 US Dollars [Member] Member rdy:UsDollarsMember
2005 Russian Roubles [Member] Member rdy:RussianRoublesMember
2006 Maturity [axis] Axis ifrs-full:MaturityAxis
2007 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2008 Not later than one month [member] Member ifrs-full:NotLaterThanOneMonthMember
2009 Later than one month and not later than three months [member] Member ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember
2010 Later than six months and not later than one year [member] Member ifrs-full:LaterThanSixMonthsAndNotLaterThanOneYearMember
2011 Later than three months and not later than six months [member] Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember
2012 Disclosure of detailed information about hedged items [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutHedgedItemsLineItems
2013 Forecast cash flows classified as cash flow hedges Concept (Monetary) For Period Debit rdy:PeriodsWhenCashFlowsExpectedToOccur
2014 285 - Disclosure - Financial instruments (Details 4) Network

*

*

 http://www.drreddys.com/role/FinancialInstrumentsDetails4
2015 Disclosure of detailed information about financial instruments [table] Table

*

*

 ifrs-full:DisclosureOfFinancialInstrumentsTable
2016 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
2017 Assets [member] Member ifrs-full:ClassesOfAssetsMember
2018 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
2019 Net gain recognized in finance costs in respect of foreign exchange derivative contracts Concept (Monetary) For Period Credit rdy:NetGainOnForeignExchangeDerivativeContracts
2020 Effective portion of changes in fair value of cash flow hedges, net Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax
2021 Net gain/(loss) recognized as component of revenue Concept (Monetary) For Period Credit rdy:GainsLossesRecordedInRevenueCashFlowHedges
2022 286 - Disclosure - Financial instruments (Details Textual) Network

*

*

 http://www.drreddys.com/role/FinancialInstrumentsDetailsTextual
2023 Subclassifications Of Assets Liabilities And Equities [Table] Table

*

*

 rdy:SubclassificationsOfAssetsLiabilitiesAndEquitiesTable
2024 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
2025 Counterparties [member] Member ifrs-full:CounterpartiesMember
2026 Component [Axis] Axis rdy:ComponentAxis
2027 Component [Domain] Member rdy:ComponentDomain
2028 Component of Equity before tax adjustment [Member] Member rdy:ComponentOfEquityBeforeTaxAdjustmentMember
2029 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
2030 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
2031 Interest rate swap contract [member] Member ifrs-full:InterestRateSwapContractMember
2032 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2033 Risks [member] Member ifrs-full:TypesOfRisksMember
2034 Financial instruments [Line Items] LineItems rdy:FinancialInstrumentsLineItems
2035 Other non-financial assets Concept (Monetary) As Of Debit ifrs-full:OtherNonfinancialAssets
2036 Other non-financial liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNonfinancialLiabilities
2037 Derivative financial assets Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
2038 Derivative financial liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
2039 Gains (losses) on cash flow hedges, net of tax Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesNetOfTax
2040 Reserve of cash flow hedges Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedges
2041 Nominal amount of hedging instrument Concept (Decimal) As Of ifrs-full:NominalAmountOfHedgingInstrument
2042 287 - Disclosure - Financial risk management (Details) Network

*

*

 http://www.drreddys.com/role/FinancialRiskManagementDetails
2043 Disclosure of foreign currency risk from non-derivative financial instruments [Table] Table

*

*

 rdy:DisclosureOfForeignCurrencyRiskFromNonderivativeFinancialInstrumentsTable
2044 Type of Currency [Axis] Axis rdy:TypeOfCurrencyAxis
2045 Type of Currency [Domain] Member rdy:TypeOfCurrencyDomain
2046 US Dollars [Member] Member rdy:UsDollarsMember
2047 Euro [Member] Member rdy:EurosMember
2048 Roubles roubles [Member] Member rdy:RussianRoublesMember
2049 Other Currency [Member] Member rdy:OtherCurrencyMember
2050 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2051 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2052 Non-derivative financial instruments [Member] Member rdy:NonderivativeFinancialInstrumentsMember
2053 Foreign Currency Risk from Non-derivative Financial Instruments [Member] Member rdy:ForeignCurrencyRiskFromNonderivativeFinancialInstrumentsMember
2054 Disclosure of foreign currency risk from non-derivative financial instruments [Line Items] LineItems rdy:DisclosureOfForeignCurrencyRiskFromNonderivativeFinancialInstrumentsLineItems
2055 Assets: Abstract ifrs-full:AssetsAbstract
2056 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
2057 Other investments Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
2058 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherReceivables
2059 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
2060 Total Concept (Monetary) As Of Debit ifrs-full:Assets
2061 Liabilities: Abstract ifrs-full:LiabilitiesAbstract
2062 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
2063 Long-term borrowings Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
2064 Short-term borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
2065 Bank overdraft Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
2066 Other liabilities and provisions Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
2067 Total Concept (Monetary) As Of Credit ifrs-full:Liabilities
2068 288 - Disclosure - Financial risk management (Details 1) Network

*

*

 http://www.drreddys.com/role/FinancialRiskManagementDetails1
2069 Disclosure of Aging of trade and other receivables past due but not impaired [Table] Table

*

*

 rdy:DisclosureOfAgingOfTradeAndOtherReceivablesPastDueButNotImpairedTable
2070 Maturity [axis] Axis ifrs-full:MaturityAxis
2071 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2072 Later than one month and not later than three months [member] Member ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember
2073 Later than three months and not later than six months [member] Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember
2074 Later than six months and not later than one year [member] Member ifrs-full:LaterThanSixMonthsAndNotLaterThanOneYearMember
2075 Impairment of financial assets [axis] Axis ifrs-full:ImpairmentOfFinancialAssetsAxis
2076 Entity's total for impairment of financial assets [member] Member ifrs-full:EntitysTotalForImpairmentOfFinancialAssetsMember
2077 Financial assets past due but not impaired [member] Member ifrs-full:FinancialAssetsPastDueButNotImpairedMember
2078 Disclosure of Aging of trade and other receivables past due but not impaired [Line Items] LineItems rdy:DisclosureOfAgingOfTradeAndOtherReceivablesPastDueButNotImpairedLineItems
2079 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherReceivables
2080 289 - Disclosure - Financial risk management (Details 2) Network

*

*

 http://www.drreddys.com/role/FinancialRiskManagementDetails2
2081 Disclosure of Contractual Maturities of Significant Financial Liabilities [Table] Table

*

*

 rdy:DisclosureOfContractualMaturitiesOfSignificantFinancialLiabilitiesTable
2082 Maturity [axis] Axis ifrs-full:MaturityAxis
2083 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2084 Not later than one year [member] Member ifrs-full:NotLaterThanOneYearMember
2085 Later Than One Year But Not Later Than Two Years [Member] Member rdy:LaterThanOneYearButNotLaterThanTwoYearsMember
2086 Later than two years and not later than three years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
2087 Later than three years and not later than four years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
2088 Later than four years [Member] Member rdy:LaterThanFourYearsMember
2089 Disclosure of Contractual Maturities of Significant Financial Liabilities [Line Items] LineItems rdy:DisclosureOfContractualMaturitiesOfSignificantFinancialLiabilitiesLineItems
2090 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
2091 Bank overdraft, short-term loans and borrowings Concept (Monetary) As Of Credit rdy:BankOverdraftAndShortTermBorrowings
2092 Other liabilities and provisions Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
2093 Derivative financial instruments - liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
2094 290 - Disclosure - Financial risk management (Details Textual) Network

*

*

 http://www.drreddys.com/role/FinancialRiskManagementDetailsTextual
2095 Financial Risk Management [Table] Table

*

*

 rdy:FinancialRiskManagementTable
2096 Maturity [axis] Axis ifrs-full:MaturityAxis
2097 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2098 Unutilized credit limits [Member] Member rdy:UnutilizedCreditLimitsMember
2099 Impairment of financial assets [axis] Axis ifrs-full:ImpairmentOfFinancialAssetsAxis
2100 Entity's total for impairment of financial assets [member] Member ifrs-full:EntitysTotalForImpairmentOfFinancialAssetsMember
2101 Financial assets neither past due nor impaired [member] Member ifrs-full:FinancialAssetsNeitherPastDueNorImpairedMember
2102 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2103 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2104 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
2105 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2106 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2107 Measurement [axis] Axis ifrs-full:MeasurementAxis
2108 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
2109 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
2110 Assets [member] Member ifrs-full:ClassesOfAssetsMember
2111 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
2112 Hedges [member] Member ifrs-full:TypesOfHedgesMember
2113 Cash flow hedges [member] Member ifrs-full:CashFlowHedgesMember
2114 Unconsolidated structured entities [axis] Axis ifrs-full:UnconsolidatedStructuredEntitiesAxis
2115 Entity's total for unconsolidated structured entities [member] Member ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember
2116 Mutual Funds [Member] Member ifrs-full:InvestmentFundsMember
2117 Asset Category [Axis] Axis rdy:AssetCategoryAxis
2118 Asset Category [Domain] Member rdy:AssetCategoryDomain
2119 Bonds And Commercial Paper [Member] Member rdy:BondsAndCommercialPaperMember
2120 Short Term Deposits [Member] Member rdy:ShortTermDepositsMember
2121 Financial Risk Management [Line Items] LineItems rdy:FinancialRiskManagementLineItems
2122 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherReceivables
2123 Undrawn borrowing facilities Concept (Monetary) As Of Credit ifrs-full:UndrawnBorrowingFacilities
2124 Working capital Concept (Monetary) As Of Debit rdy:WorkingCapital
2125 Financial assets available-for-sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
2126 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
2127 Investments other than investments accounted for using equity method Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
2128 Increase In Hedging Reserve Sensitivity Analysis Concept (Monetary) For Period Credit rdy:IncreaseInHedgingReserveSensitivityAnalysis
2129 Decrease In Hedging Reserve Sensitivity Analysis Concept (Monetary) For Period Debit rdy:DecreaseInHedgingReserveSensitivityAnalysis
2130 Increase In Profit From Contracts Sensitivity analysis Concept (Monetary) For Period Credit rdy:IncreaseInProfitFromContractsSensitivityAnalysis
2131 Decrease In Profit From Contracts Sensitivity Analysis Concept (Monetary) For Period Debit rdy:DecreaseInProfitFromContractsSensitivityAnalysis
2132 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
2133 Percentage Of Depreciation Or Appreciation In Exchange Rate Used For Sensitivity Analysis Concept (Percent) For Period rdy:PercentageOfDepreciationOrAppreciationInExchangeRateUsedForSensitivityAnalysis
2134 Expected increase or decrease in the net profit from fluctuation in Exchange Rate by 10% Concept (Monetary) For Period Credit rdy:ExpectedIncreaseOrDecreaseInNetProfitFromExchangeRate
2135 Percentage Of Increase Or Decrease In Floating Interest Rate Used For Sensitivity Analysis Concept (Percent) For Period rdy:PercentageOfIncreaseOrDecreaseInFloatingInterestRateUsedForSensitivityAnalysis
2136 Expected increase or decrease in the net profit from floating interest rate fluctuation by 10% Concept (Monetary) For Period Credit rdy:ExpectedIncreaseOrDecreaseInNetProfitFromFloatingInterestRate
2137 Percentage decrease increase in exchange rates of each of the currencies underlying derivative contracts used for sensitivity analysis Concept (Percent) For Period rdy:PercentageDecreaseIncreaseExchangeRatesOfEachOfCurrenciesUnderlyingDerivativeContractsUsedForSensitivityAnalysis
2138 Borrowings, interest rate basis Concept (Text/String) For Period ifrs-full:BorrowingsInterestRateBasis
2139 291 - Disclosure - Collaboration agreement with Curis, Inc. (Details Textual) Network

*

*

 http://www.drreddys.com/role/CollaborationAgreementWithCurisIncDetailsTextual
2140 Disclosure Of Intangible Assets Acquired As Part Of Collaboration Agreement [Table] Table

*

*

 rdy:DisclosureOfIntangibleAssetsAcquiredAsPartOfCollaborationAgreementTable
2141 Name Party involved in Transaction [Axis] Axis rdy:NamePartyInvolvedInTransactionAxis
2142 Name Party involved in Transaction [Domain] Member rdy:NamePartyInvolvedInTransactionDomain
2143 Curis, Inc. [Member] Member rdy:CurisIncMember
2144 Maturity [axis] Axis ifrs-full:MaturityAxis
2145 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2146 Program One [Member] Member rdy:ProgramOneMember
2147 Program Two [Member] Member rdy:ProgramTwoMember
2148 Program Three [Member] Member rdy:ProgramThreeMember
2149 Program Four [Member] Member rdy:ProgramFourMember
2150 Subsequent Programs [Member] Member rdy:SubsequentProgramsMember
2151 Payment Type [Axis] Axis rdy:PaymentTypeAxis
2152 Payment Type [Domain] Member rdy:PaymentTypeDomain
2153 Approval and commerical milestone payment [Member] Member rdy:ApprovalAndCommericalMilestonePaymentMember
2154 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2155 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2156 Measurement [axis] Axis ifrs-full:MeasurementAxis
2157 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
2158 Development and commercial milestone payment [Member] Member rdy:DevelopmentAndCommercialMilestonePaymentsMember
2159 Disclosure Of Collaboration Agreement [Line Items] LineItems rdy:DisclosureOfCollaborationAgreementLineItems
2160 Vesting Requirements For Shares Acquired Concept (Text/String) For Period rdy:VestingRequirementsForSharesAcquired
2161 Description of lock-up restrictions on shares issued in business combination Concept (Text/String) For Period rdy:DescriptionOfLockupRestrictionsOnSharesIssuedInBusinessCombination
2162 Fair value of instruments or interests Concept (Monetary) As Of Debit rdy:FairValueOfInstrumentsOrInterests
2163 Number of additional shares to be issued under amendment of collaboration agreement Concept (Shares) As Of rdy:NumberOfAdditionalSharesToBeIssuedUnderAmendmentOfCollaborationAgreement
2164 Milestone and other payments to be received Concept (Monetary) As Of Debit rdy:MilestoneAndOtherPaymentsToBeReceived
2165 Number of share released from equity restrictions Concept (Shares) As Of rdy:NumberOfShareReleasedFromEquityRestrictions
2166 Number of shares issued Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
2167 Milestone Payments Receivable On Achieving Commercial And Development Milestones Concept (Monetary) For Period Debit rdy:MilestonePaymentsReceivableOnAchievingCommercialAndDevelopmentMilestones
2168 Percentage Of Interests Acquired In Collaboration Agreement Concept (Percent) For Period rdy:PercentageOfInterestsAcquiredInCollaborationAgreement
2169 Share Prices Concept (Share) As Of rdy:SharePrices
2170 Percentage Of Voting Rights Held After The Agreement Concept (Percent) For Period rdy:PercentageOfVotingRightsHeldAfterAgreement
2171 Gains (losses) recognised in other comprehensive income, fair value measurement, assets Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets
2172 Equity Shares After Stock Split Concept (Shares) As Of rdy:EquitySharesAfterStockSplit
2173 Reverse Stock Split Concept (Text/String) For Period rdy:ReverseStockSplit
2174 292 - Disclosure - Agreement with Merck Serono (Details Textual) Network

*

*

 http://www.drreddys.com/role/AgreementWithMerckSeronoDetailsTextual
2175 Disclosure of Agreement with Merck Serono [Table] Table

*

*

 rdy:DisclosureOfAgreementWithMerckSeronoTable
2176 Name of Party involved in Transaction [Axis] Axis rdy:NameOfPartyInvolvedInTransactionAxis
2177 Name of Party involved in Transaction [Domain] Member rdy:NameOfPartyInvolvedInTransactionDomain
2178 Merck Serono [Member] Member rdy:MerckSeronoMember
2179 Disclosure of Agreement with Merck Serono [Line Items] LineItems rdy:DisclosureOfAgreementWithMerckSeronoLineItems
2180 Milestone Payment Received Concept (Monetary) For Period Credit rdy:MilestonePaymentReceived
2181 293 - Disclosure - Asset purchase agreement with Teva Pharmaceutical Industries Limited (Details) Network

*

*

 http://www.drreddys.com/role/AssetPurchaseAgreementWithTevaPharmaceuticalIndustriesLimitedDetails
2182 Disclosure of Asset purchase agreement with Teva Pharmaceutical Industries Limited [Table] Table

*

*

 rdy:DisclosureOfAssetPurchaseAgreementWithTevaPharmaceuticalIndustriesLimitedTable
2183 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
2184 Products and services [member] Member ifrs-full:ProductsAndServicesMember
2185 NuvaRing [Member] Member rdy:NuvaringMember
2186 Suboxone sublingual film [Member] Member rdy:SuboxonesublingualFilmMember
2187 Rozerem [Member] Member rdy:RozeremMember
2188 Other product [Member] Member rdy:OtherProductMember
2189 Disclosure Of Asset Purchase Agreement [Line Items] LineItems rdy:DisclosureOfAssetPurchaseAgreementLineItems
2190 Cash Transferred Under Asset Purcase Agreement Concept (Monetary) As Of Credit rdy:CashTransferredUnderAssetPurcaseAgreement
2191 294 - Disclosure - Asset purchase agreement with Teva Pharmaceutical Industries Limited (Details Textual) Network

*

*

 http://www.drreddys.com/role/AssetPurchaseAgreementWithTevaPharmaceuticalIndustriesLimitedDetailsTextual
2192 Disclosure of Asset purchase agreement with Teva Pharmaceutical Industries Limited [Table] Table

*

*

 rdy:DisclosureOfAssetPurchaseAgreementWithTevaPharmaceuticalIndustriesLimitedTable
2193 Teva Pharmaceutical Industries Ltd [Axis] Axis rdy:TevaPharmaceuticalIndustriesLtdAxis
2194 Teva Pharmaceutical Industries Ltd [Domain] Member rdy:TevaPharmaceuticalIndustriesLtdDomain
2195 Teva Pharmaceutical Industries Ltd [Member] Member rdy:TevaPharmaceuticalIndustriesLtdMember
2196 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
2197 Carrying amount [member] Member ifrs-full:CarryingAmountMember
2198 Net Carrying Amount [Member] Member rdy:NetCarryingAmountMember
2199 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
2200 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
2201 other seven Abbreviated New Drug Applications [Member] Member rdy:OtherSevenAbbreviatedNewDrugApplicationsMember
2202 Capitalised Product [Member] Member rdy:CapitalisedProductMember
2203 Disclosure Of Asset Purchase Agreement [Line Items] LineItems rdy:DisclosureOfAssetPurchaseAgreementLineItems
2204 Intangible assets other than goodwill Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
2205 Cash Transferred Under Asset Purchase Agreement Concept (Monetary) As Of Credit rdy:CashTransferredUnderAssetPurchaseAgreement
2206 Useful lives or amortisation rates, intangible assets other than goodwill Concept (Text/String) For Period ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill
2207 295 - Disclosure - Significant asset purchase agreements (Details) Network

*

*

 http://www.drreddys.com/role/SignificantAssetPurchaseAgreementsDetails
2208 Disclosure Significant asset purchase agreements [Table] Table

*

*

 rdy:DisclosureSignificantAssetPurchaseAgreementsTable
2209 Name Name Party involved in Transaction [Axis] Axis rdy:NameNamePartyInvolvedInTransactionAxis
2210 Name Party involved in Transaction [Domain] Member rdy:NamePartyInvolvedInTransactionDomain
2211 UCB India Private Limited and affiliates [Member] Member rdy:IndiaPrivateLimitedAndAffiliatesMember
2212 Hatchtech Pty Limited [Member] Member rdy:HatchtechPtyLimitedMember
2213 Alchemia Limited [Member] Member rdy:AlchemiaLimitedMember
2214 XenoPort, Inc. [Member] Member rdy:XenoportIncMember
2215 Eisai Company Limited [Member] Member rdy:EisaiCompanyLimitedMember
2216 Ducere Pharma LLC [Member] Member rdy:DucerePharmaLlcMember
2217 Gland Pharma Limited [Member] Member rdy:GlandPharmaLimitedMember
2218 Range [Axis] Axis ifrs-full:RangeAxis
2219 Ranges [member] Member ifrs-full:RangesMember
2220 Disclosure of significant asset purchase agreements [Line Items] LineItems rdy:DisclosureOfSignificantAssetPurchaseAgreementsLineItems
2221 Counter Party Name Concept (Text/String) For Period rdy:CounterPartyName
2222 Description Of Particulars Related To Asset Agreement Concept (Text/String) For Period rdy:DescriptionOfParticularsRelatedToAssetAgreement
2223 Useful lives or amortisation rates, intangible assets other than goodwill Concept (Text/String) For Period ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill
2224 Intangible assets other than goodwill Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
2225 296 - Disclosure - Significant out-licensing agreements (Details) Network

*

*

 http://www.drreddys.com/role/SignificantOutlicensingAgreementsDetails
2226 Disclosure Of Significant Out-licensing Agreements [Table] Table

*

*

 rdy:DisclosureOfSignificantOutlicensingAgreementsTable
2227 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
2228 Counterparties [member] Member ifrs-full:CounterpartiesMember
2229 CHD Biosciences Inc. (“CHD”) [Member] Member rdy:ChdBiosciencesIncChdMember
2230 Encore Dermatology Inc [Member] Member rdy:EncoreDermatologyIncMember
2231 Disclosure Of Significant Out-licensing Agreements [Line Items] LineItems rdy:DisclosureOfSignificantOutlicensingAgreementsLineItems
2232 Counter Party Name Concept (Text/String) For Period rdy:CounterPartyName
2233 Description Of Intangible asset Concept (Text/String) For Period rdy:DescriptionOfIntangibleAsset
2234 Description Of Particulars Related To Asset Agreement Concept (Text/String) For Period rdy:DescriptionOfParticularsRelatedToAssetAgreement
2235 297 - Disclosure - Venezuela subsidiary operations (Details) Network

*

*

 http://www.drreddys.com/role/VenezuelaSubsidiaryOperationsDetails
2236 Schedule Of Impact Of Currency Devaluation On Financial Statements [Table] Table

*

*

 rdy:ScheduleOfImpactOfCurrencyDevaluationOnFinancialStatementsTable
2237 Geography [Axis] Axis rdy:GeographyAxis
2238 Place of Business [Domain] Member rdy:PlaceOfBusinessDomain
2239 Venezuela [Member] Member rdy:VenezuelaMember
2240 Schedule Of Impact Of Currency Devaluation On Financial Statements [Line Items] LineItems rdy:ScheduleOfImpactOfCurrencyDevaluationOnFinancialStatementsLineItems
2241 Foreign exchange loss due to currency devaluation and translation of monetary assets and liabilities using SIMADI/DICOM rate recorded under finance expense Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
2242 Impact of inventory write down and reversal of export incentives recorded under cost of revenues Concept (Monetary) For Period Credit rdy:ImpactOfInventoryWriteDownAndReversalOfExportIncentivesRecordedUnderCostOfRevenues
2243 Impairment of property, plant and equipment recorded under selling, general and administrative expenses Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
2244 Total Concept (Monetary) For Period Debit rdy:NetImpactOfCurrencyDevaluation
2245 298 - Disclosure - Venezuela subsidiary operations (Details Textual) Network

*

*

 http://www.drreddys.com/role/VenezuelaSubsidiaryOperationsDetailsTextual
2246 INCOME STATEMENT [Table] Table

*

*

 rdy:IncomeStatementTable
2247 Geography [Axis] Axis rdy:GeographyAxis
2248 Place of Business [Domain] Member rdy:PlaceOfBusinessDomain
2249 Venezuela Operations [Member] Member rdy:VenezuelaOperationsMember
2250 Foreign Exchange Rate Type [Axis] Axis rdy:ForeignExchangeRateTypeAxis
2251 Foreign Exchange Rate Type [Domain] Member rdy:ForeignExchangeRateTypeDomain
2252 CENCOEX [Member] Member rdy:CencoexMember
2253 SICAD [Member] Member rdy:SicadMember
2254 DICOM [Member] Member rdy:DicomMember
2255 DIPRO devalued from [Member] Member rdy:DiproDevaluedFromMember
2256 Range [Axis] Axis ifrs-full:RangeAxis
2257 Ranges [member] Member ifrs-full:RangesMember
2258 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
2259 Top of range [member] Member ifrs-full:TopOfRangeMember
2260 Type of Currency [Axis] Axis rdy:TypeOfCurrencyAxis
2261 Type of Currency [Domain] Member rdy:TypeOfCurrencyDomain
2262 INCOME STATEMENT [Line Items] LineItems rdy:IncomeStatementLineItems
2263 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
2264 Exchange Rates Concept (Decimal) As Of rdy:ExchangeRates
2265 Foreign exchange gain (loss) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
2266 DICOM Exchange Rate Concept (Decimal) As Of rdy:DicomExchangeRate
2267 Eliminated Exchange Rates Concept (Decimal) As Of rdy:EliminatedExchangeRates
2268 Preferential Rate Concept (Decimal) As Of rdy:PreferentialRate
2269 Approval Received For Remittance Towards Importation at Preferential Rate Concept (Decimal) For Period rdy:ApprovalReceivedForRemittanceTowardsImportationAtPreferentialRate
2270 299 - Disclosure - Contingencies (Details) Network

*

*

 http://www.drreddys.com/role/ContingenciesDetails
2271 Disclosure of contingent liabilities [table] Table

*

*

 ifrs-full:DisclosureOfContingentLiabilitiesTable
2272 Legal proceedings contingent liability [Axis] Axis rdy:LegalProceedingsContingentLiabilityAxis
2273 Legal proceedings contingent liability [Domain] Member rdy:LegalProceedingsContingentLiabilityDomain
2274 Details of demand notice [Member] Member rdy:DetailsOfDemandNoticeMember
2275 Disclosure of contingent liabilities [line items] LineItems ifrs-full:DisclosureOfContingentLiabilitiesLineItems
2276 Demand made by Central Excise Authorities to the company excluding penalty and interest Concept (Monetary) For Period Debit rdy:DemandMadeByCentralExciseAuthoritiesToCompanyExcludingPenaltyAndInterest
2277 Penalties Demanded By Central Excise Authorities To Company Concept (Monetary) For Period Debit rdy:PenaltiesDemandedByCentralExciseAuthoritiesToCompany
2278 300 - Disclosure - Contingencies (Details 1) Network

*

*

 http://www.drreddys.com/role/ContingenciesDetails1
2279 Disclosure of contingent liabilities [table] Table

*

*

 ifrs-full:DisclosureOfContingentLiabilitiesTable
2280 Legal proceedings contingent liability [Axis] Axis rdy:LegalProceedingsContingentLiabilityAxis
2281 Legal proceedings contingent liability [Domain] Member rdy:LegalProceedingsContingentLiabilityDomain
2282 Disclosure of contingent liabilities [line items] LineItems ifrs-full:DisclosureOfContingentLiabilitiesLineItems
2283 Amount demanded Concept (Monetary) For Period Debit rdy:DemandMadeByCommercialTaxesDepartmentToCompanyExcludingPenaltyAndInterest
2284 Percentage demanded Concept (Percent) For Period rdy:PercentageOfPenaltyChargedByCommercialTaxesDepartmentToCompany
2285 301 - Disclosure - Contingencies (Details Textual) Network

*

*

 http://www.drreddys.com/role/ContingenciesDetailsTextual
2286 Disclosure of contingent liabilities [table] Table

*

*

 ifrs-full:DisclosureOfContingentLiabilitiesTable
2287 Legal proceedings contingent liability [Axis] Axis rdy:LegalProceedingsContingentLiabilityAxis
2288 Legal proceedings contingent liability [Domain] Member rdy:LegalProceedingsContingentLiabilityDomain
2289 Norfloxacin, India litigation [Member] Member rdy:NorfloxacinIndiaLitigationMember
2290 Land pollution [Member] Member rdy:LandPollutionMember
2291 Consumer Product Safety Commission [Member] Member rdy:ConsumerProductSafetyCommissionMember
2292 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
2293 Other provisions [member] Member ifrs-full:OtherProvisionsMember
2294 Disallowance [Axis] Axis rdy:DisallowanceAxis
2295 Disallowance [Domain] Member rdy:DisallowanceDomain
2296 Income Tax Disallowances [Member] Member rdy:IncomeTaxDisallowancesMember
2297 Transfer pricing adjustments [Member] Member rdy:TransferPricingAdjustmentsMember
2298 Fuel Surcharge Adjustments [Member] Member rdy:FuelSurchargeAdjustmentsMember
2299 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
2300 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
2301 Cardiovascular [Member] Member rdy:CardiovascularMember
2302 Disclosure of contingent liabilities [line items] LineItems ifrs-full:DisclosureOfContingentLiabilitiesLineItems
2303 Amount discharged against Penalty Concept (Monetary) As Of Debit rdy:AmountDischargedAgainstPenalty
2304 Pollution compensation per acre fixed for dry land Concept (Per Unit) For Period rdy:PollutionCompensationPerAcreFixedForDryLand
2305 Pollution compensation per acre fixed for wet land Concept (Per Unit) For Period rdy:PollutionCompensationPerAcreFixedForWetLand
2306 Other provisions Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
2307 Demand made by Indian Sales Tax Authorities to the company Concept (Monetary) As Of Debit rdy:DemandMadeByIndianSalesTaxAuthoritiesToCompany
2308 Potential liability recorded towards FSA charges Concept (Monetary) As Of Credit rdy:PotentialLiabilityRecordedTowardsFsaCharges
2309 Total amount approved by APERC for collection regarding FSA charges Concept (Monetary) For Period Debit rdy:TotalAmountApprovedByApercForCollectionRegardingFsaCharges
2310 Payments under protest Concept (Monetary) For Period Debit rdy:PaymentsUnderProtest
2311 Tax Impact of disallowed items Concept (Monetary) For Period Debit rdy:TaxImpactOfDisallowedItems
2312 Percentage of amount discharged against penalty Concept (Percent) For Period rdy:PercentageOfAmountDischargedAgainstPenalty
2313 Fuel and energy expense Concept (Monetary) For Period Debit ifrs-full:FuelAndEnergyExpense
2314 Issued Notice Demanding Payment By NPPA Concept (Monetary) As Of Credit rdy:IssuedNoticeDemandingPaymentByNppa
2315 Deposit Made On Demand Concept (Monetary) As Of Debit rdy:DepositMadeOnDemand
2316 Bank Guarantee Concept (Monetary) As Of Credit rdy:BankGuarantee
2317 VAT Provision Recorded Concept (Monetary) As Of Debit rdy:VatProvisionRecorded
2318 Amount Directed to be Deposited by Court Concept (Monetary) As Of Debit rdy:AmountDirectedToBeDepositedByCourt
2319 Bank Guarantee Directed by Delhi High Court to be Furnished Concept (Monetary) As Of Credit rdy:BankGuaranteeDirectedByDelhiHighCourtToBeFurnished
2320 Settlement Compensation Paid Concept (Monetary) As Of Credit rdy:SettlementCompensationPaid
2321 302 - Disclosure - Nature of Expense (Details) Network

*

*

 http://www.drreddys.com/role/NatureOfExpenseDetails
2322 Nature of Expense [Table] Table

*

*

 rdy:NatureOfExpenseTable
2323 Type of Expenses by Nature [Axis] Axis rdy:TypeOfExpensesByNatureAxis
2324 Expenses by Nature [Domain] Member rdy:ExpensesByNatureDomain
2325 Cost of revenues [Member] Member rdy:CostOfRevenuesMember
2326 Selling, general and administrative expenses [Member] Member rdy:SellingGeneralAndAdministrativeExpensesOneMember
2327 Research and development expenses [Member] Member rdy:ResearchAndDevelopmentExpensesMember
2328 Income Statement Nature of Expense [Line Items] LineItems rdy:IncomeStatementNatureOfExpenseLineItems
2329 Employee benefits Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
2330 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
2331 303 - Disclosure - Change in the functional currency of a foreign operation (Details Textual) Network

*

*

 http://www.drreddys.com/role/ChangeInFunctionalCurrencyOfForeignOperationDetailsTextual
2332 Change in the functional currency of a foreign operation [Table] Table

*

*

 rdy:ChangeInFunctionalCurrencyOfForeignOperationTable
2333 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2334 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2335 Swiss Subsidiary [Member] Member rdy:SwissSubsidiaryMember
2336 Change in the functional currency of a foreign operation [Line Items] LineItems rdy:ChangeInFunctionalCurrencyOfForeignOperationLineItems
2337 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
2338 304 - Disclosure - Organizational structure (Details) Network

*

*

 http://www.drreddys.com/role/OrganizationalStructureDetails
2339 Disclosure of subsidiaries [table] Table

*

*

 ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
2340 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
2341 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
2342 Aurigene Discovery Technologies (Malaysia) Sdn. Bhd. [member] Member rdy:AurigeneDiscoveryTechnologiesMalaysiaSdnBhdMember
2343 Aurigene Discovery Technologies Inc. [member] Member rdy:AurigeneDiscoveryTechnologiesIncMember
2344 Aurigene Discovery Technologies Limited [member] Member rdy:AurigeneDiscoveryTechnologiesLimitedMember
2345 beta Institut gemeinnutzige GmbH [Member] Member rdy:BetaInstitutGemeinnutzigeGmbhMember
2346 betapharm Arzneimittel GmbH [member] Member rdy:BetapharmArzneimittelGmbhMember
2347 Cheminor Investments Limited [member] Member rdy:CheminorInvestmentsLimitedMember
2348 Cheminor Employees Welfare Trust [member] Member rdy:CheminorEmployeesWelfareTrustsMember
2349 Chirotech Technology Limited [member] Member rdy:ChirotechTechnologyLimitedMember
2350 Dr. Reddy’s Research Foundation [member] Member rdy:DrreddysResearchFoundationMember
2351 Dr. Reddy’s Farmaceutica Do Brasil Ltda. [member] Member rdy:DrreddysFarmaceuticaDoBrasilLtdaMember
2352 Dr. Reddy’s Laboratories (EU) Limited [member] Member rdy:DrreddysLaboratoriesEuLimitedMember
2353 Dr. Reddy’s Laboratories (Proprietary) Limited [member] Member rdy:DrreddysLaboratoriesProprietaryLimitedMember
2354 Dr. Reddy’s Laboratories (UK) Limited [member] Member rdy:DrreddysLaboratoriesUkLimitedMember
2355 Dr. Reddy’s Laboratories Canada, Inc. [member] Member rdy:DrreddysLaboratoriesCanadaIncMember
2356 Dr. Reddy’s Laboratories Inc. [member] Member rdy:DrreddysLaboratoriesIncMember
2357 Dr. Reddy’s Laboratories International SA [member] Member rdy:DrreddysLaboratoriesInternationalSaMember
2358 Dr. Reddy’s Laboratories Japan KK [member] Member rdy:DrReddysLaboratoriesJapanKkMember
2359 Dr. Reddy’s Laboratories Louisiana LLC [member] Member rdy:DrreddysLaboratoriesLouisianaLlcMember
2360 Dr. Reddy’s Laboratories New York, Inc. [member] Member rdy:DrreddysLaboratoriesNewYorkIncMember
2361 Dr. Reddy’s Laboratories Romania S.R.L. [member] Member rdy:DrreddysLaboratoriesRomaniaSrlMember
2362 Dr. Reddy’s Laboratories SA [member] Member rdy:DrreddysLaboratoriesSaMember
2363 Dr. Reddy’s Laboratories Tennessee, LLC [member] Member rdy:DrreddysLaboratoriesTennesseeLlcMember
2364 Dr. Reddy’s Laboratories, LLC [member] Member rdy:DrreddysLaboratoriesLlcMember
2365 Dr. Reddy’s New Zealand Limited. [member] Member rdy:DrreddysNewZealandLimitedMember
2366 Dr. Reddy’s Singapore PTE Limited [member] Member rdy:DrreddysSingaporePteLimitedMember
2367 Dr. Reddy’s Srl [member] Member rdy:DrreddysSrlMember
2368 Dr. Reddy’s Bio-Sciences Limited [member] Member rdy:DrreddysBiosciencesLimitedMember
2369 Dr. Reddy’s Laboratories (Australia) Pty. Limited [member] Member rdy:DrreddysLaboratoriesAustraliaPtyLimitedMember
2370 Dr. Reddy’s Laboratories SAS [member] Member rdy:DrReddysLaboratoriesSasMember
2371 Dr. Reddy’s Research and Development B.V. (formerly Octoplus B.V.) [member] Member rdy:DrreddysResearchAndDevelopmentBvFormerlyOctoplusBvMember
2372 Dr. Reddy’s Venezuela, C.A. [member] Member rdy:DrreddysVenezuelaCaMember
2373 DRANU LLC [member] Member rdy:DranuLlcMember
2374 DRES Energy Private Limited [member] Member rdy:DresEnergyPrivateLimitedMember
2375 DRL Impex Limited [member] Member rdy:DrlImpexLimitedMember
2376 DRSS Solar Power Private Limited [member] Member rdy:DrssSolarPowerPrivateLimitedMember
2377 Eurobridge Consulting B.V. [member] Member rdy:EurobridgeConsultingBvMember
2378 Idea2Enterprises (India) Pvt. Limited [member] Member rdy:Idea2enterprisesIndiaPvtLimitedMember
2379 Industrias Quimicas Falcon de Mexico, S.A. de CV [member] Member rdy:IndustriasQuimicasFalconDeMexicoSaDeCvMember
2380 Kunshan Rotam Reddy Pharmaceutical Co. Limited [member] Member rdy:KunshanRotamReddyPharmaceuticalCoLimitedMember
2381 Lacock Holdings Limited [member] Member rdy:LacockHoldingsLimitedMember
2382 OOO Dr. Reddy’s Laboratories Limited [member] Member rdy:OooDrreddysLaboratoriesLimitedMember
2383 OOO DRS LLC [member] Member rdy:OooDrsLlcMember
2384 Promius Pharma LLC [member] Member rdy:PromiusPharmaLlcMember
2385 Reddy Antilles N.V. [member] Member rdy:ReddyAntillesNvMember
2386 Reddy Holding GmbH [member] Member rdy:ReddyHoldingGmbhMember
2387 Reddy Netherlands B.V. [member] Member rdy:ReddyNetherlandsBvMember
2388 Reddy Pharma Iberia SA [member] Member rdy:ReddyPharmaIberiaSaMember
2389 Reddy Pharma Italia S.R.L. [member] Member rdy:ReddyPharmaItaliaSrlMember
2390 Reddy Pharma SAS [member] Member rdy:ReddyPharmasSasMember
2391 Dr. Reddy's Laboratories Chile SPA. [Member] Member rdy:DrReddysLaboratoriesChileSpaMember
2392 Dr. Reddy's Laboratories Taiwan Limited [Member] Member rdy:DrReddysLaboratoriesTaiwanLimitedMember
2393 Dr. Reddy’s WUXI Pharmaceutical Company Limited [Member] Member rdy:DrReddysWuxiPharmaceuticalCompanyLimitedMember
2394 Regkinetics Services Limited (formerly Dr. Reddy’s Pharma SEZ Limited) Member rdy:RegkineticsServicesLimitedFormerlyDrReddysPharmaSezLimitedMember
2395 Dr. Reddy's Laboratories Malaysia Sdn. Bhd. [Member] Member rdy:DrReddysLaboratoriesMalaysiaSdnBhdMember
2396 Dr. Reddy’s Laboratories Kazakhstan LLP [Member] Member rdy:DrReddysLaboratoriesKazakhstanLlpMember
2397 Imperial Credit Private Limited [Member] Member rdy:ImperialCreditPrivateLimitedMember
2398 Disclosure of subsidiaries [line items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
2399 Country of Incorporation Concept (Text/String) For Period ifrs-full:CountryOfIncorporationOrResidenceOfSubsidiary
2400 Percentage of Direct/Indirect Ownership Interest Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
2401 305 - Disclosure - Organizational structure (Details Textual) Network

*

*

 http://www.drreddys.com/role/OrganizationalStructureDetailsTextual
2402 Organizational structures [Table] Table

*

*

 rdy:OrganizationalStructuresTable
2403 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
2404 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
2405 Kunshan Rotam Reddy Pharmaceuticals Co. Limited [Member] Member rdy:KunshanRotamReddyPharmaceuticalsCoLimitedMember
2406 Organizational structures [Line Items] LineItems rdy:OrganizationalStructuresLineItems
2407 Proportion of ownership interest in subsidiary Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary

*

*