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unitRef="INR">0</in-capmkt:TaxExpenseOfDiscontinuedOperations><in-capmkt:ProfitLossFromDiscontinuedOperationsAfterTax contextRef="OneD" decimals="-7" unitRef="INR">0</in-capmkt:ProfitLossFromDiscontinuedOperationsAfterTax><in-capmkt:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod contextRef="OneD" decimals="-7" unitRef="INR">0</in-capmkt:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod><in-capmkt:ProfitLossForPeriod contextRef="OneD" decimals="-5" unitRef="INR">6547400000</in-capmkt:ProfitLossForPeriod><in-capmkt:OtherComprehensiveIncomeNetOfTaxes contextRef="OneD" decimals="-5" unitRef="INR">-174800000</in-capmkt:OtherComprehensiveIncomeNetOfTaxes><in-capmkt:ComprehensiveIncomeForThePeriod contextRef="OneD" decimals="-5" unitRef="INR">6372600000</in-capmkt:ComprehensiveIncomeForThePeriod><in-capmkt:ProfitOrLossAttributableToOwnersOfParent contextRef="OneD" decimals="-5" 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contextRef="FourD">Unaudited</in-capmkt:WhetherResultsAreAuditedOrUnaudited><in-capmkt:NatureOfReportStandaloneConsolidated contextRef="FourD">Consolidated</in-capmkt:NatureOfReportStandaloneConsolidated><in-capmkt:RevenueFromOperations contextRef="FourD" decimals="-5" unitRef="INR">225602400000</in-capmkt:RevenueFromOperations><in-capmkt:OtherIncome contextRef="FourD" decimals="-5" unitRef="INR">2517300000</in-capmkt:OtherIncome><in-capmkt:Income contextRef="FourD" decimals="-5" unitRef="INR">228119700000</in-capmkt:Income><in-capmkt:CostOfMaterialsConsumed contextRef="FourD" decimals="-7" unitRef="INR">0</in-capmkt:CostOfMaterialsConsumed><in-capmkt:PurchasesOfStockInTrade contextRef="FourD" decimals="-5" unitRef="INR">12988100000</in-capmkt:PurchasesOfStockInTrade><in-capmkt:ChangesInInventoriesOfFinishedGoodsWorkInProgressAndStockInTrade contextRef="FourD" decimals="-7" 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unitRef="INR">0</in-capmkt:ExceptionalItemsBeforeTax><in-capmkt:ProfitBeforeTax contextRef="FourD" decimals="-5" unitRef="INR">27694100000</in-capmkt:ProfitBeforeTax><in-capmkt:CurrentTax contextRef="FourD" decimals="-5" unitRef="INR">5365400000</in-capmkt:CurrentTax><in-capmkt:DeferredTax contextRef="FourD" decimals="-7" unitRef="INR">950000000</in-capmkt:DeferredTax><in-capmkt:TaxExpense contextRef="FourD" decimals="-5" unitRef="INR">6315400000</in-capmkt:TaxExpense><in-capmkt:NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndTheRelatedDeferredTaxMovement contextRef="FourD" decimals="-7" unitRef="INR">0</in-capmkt:NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndTheRelatedDeferredTaxMovement><in-capmkt:ProfitLossForPeriodFromContinuingOperations contextRef="FourD" decimals="-5" unitRef="INR">21378700000</in-capmkt:ProfitLossForPeriodFromContinuingOperations><in-capmkt:ProfitLossFromDiscontinuedOperationsBeforeTax contextRef="FourD" decimals="-7" unitRef="INR">0</in-capmkt:ProfitLossFromDiscontinuedOperationsBeforeTax><in-capmkt:TaxExpenseOfDiscontinuedOperations contextRef="FourD" decimals="-7" unitRef="INR">0</in-capmkt:TaxExpenseOfDiscontinuedOperations><in-capmkt:ProfitLossFromDiscontinuedOperationsAfterTax contextRef="FourD" decimals="-7" unitRef="INR">0</in-capmkt:ProfitLossFromDiscontinuedOperationsAfterTax><in-capmkt:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod contextRef="FourD" decimals="-7" unitRef="INR">0</in-capmkt:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod><in-capmkt:ProfitLossForPeriod contextRef="FourD" decimals="-5" unitRef="INR">21378700000</in-capmkt:ProfitLossForPeriod><in-capmkt:OtherComprehensiveIncomeNetOfTaxes contextRef="FourD" decimals="-5" unitRef="INR">-316500000</in-capmkt:OtherComprehensiveIncomeNetOfTaxes><in-capmkt:ComprehensiveIncomeForThePeriod contextRef="FourD" decimals="-5" unitRef="INR">21062200000</in-capmkt:ComprehensiveIncomeForThePeriod><in-capmkt:ProfitOrLossAttributableToOwnersOfParent contextRef="FourD" decimals="-5" unitRef="INR">20982300000</in-capmkt:ProfitOrLossAttributableToOwnersOfParent><in-capmkt:ProfitOrLossAttributableToNonControllingInterests contextRef="FourD" decimals="-5" unitRef="INR">396400000</in-capmkt:ProfitOrLossAttributableToNonControllingInterests><in-capmkt:ComprehensiveIncomeForThePeriodAttributableToOwnersOfParent contextRef="FourD" decimals="-5" unitRef="INR">20665700000</in-capmkt:ComprehensiveIncomeForThePeriodAttributableToOwnersOfParent><in-capmkt:ComprehensiveIncomeForThePeriodAttributableToOwnersOfParentNonControllingInterests contextRef="FourD" decimals="-5" unitRef="INR">396500000</in-capmkt:ComprehensiveIncomeForThePeriodAttributableToOwnersOfParentNonControllingInterests><in-capmkt:PaidUpValueOfEquityShareCapital contextRef="FourD" decimals="-6" unitRef="INR">5039000000</in-capmkt:PaidUpValueOfEquityShareCapital><in-capmkt:FaceValueOfEquityShareCapital contextRef="FourD" decimals="INF" unitRef="INRPerShare">10</in-capmkt:FaceValueOfEquityShareCapital><in-capmkt:BasicEarningsLossPerShareFromContinuingOperations contextRef="FourD" decimals="INF" unitRef="INRPerShare">41.64</in-capmkt:BasicEarningsLossPerShareFromContinuingOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingOperations contextRef="FourD" decimals="INF" unitRef="INRPerShare">41.64</in-capmkt:DilutedEarningsLossPerShareFromContinuingOperations><in-capmkt:BasicEarningsLossPerShareFromDiscontinuedOperations contextRef="FourD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:BasicEarningsLossPerShareFromDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromDiscontinuedOperations contextRef="FourD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:DilutedEarningsLossPerShareFromDiscontinuedOperations><in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="FourD" decimals="INF" unitRef="INRPerShare">41.64</in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="FourD" decimals="INF" unitRef="INRPerShare">41.64</in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DebtEquityRatio contextRef="FourD" decimals="INF" unitRef="pure">0.0056</in-capmkt:DebtEquityRatio><in-capmkt:DebtServiceCoverageRatio contextRef="FourD" decimals="INF" unitRef="pure">0.0344</in-capmkt:DebtServiceCoverageRatio><in-capmkt:InterestServiceCoverageRatio contextRef="FourD" decimals="INF" unitRef="pure">0.0681</in-capmkt:InterestServiceCoverageRatio><in-capmkt:RemarksForDebtEquityRatio contextRef="OneD">Debt equity ratio =   (All long term debt outstanding [including unamortised expense (net of premium)]+ contingent liability pertaining to corporate / financial guarantee given + short term debt outstanding in lieu of long term debt) / (Equity share capital + Preference share capital + All reserves (excluding revaluation reserve) + Deferred tax liabilities – Deferred tax assets – Goodwill -Intangible assets - Intangible assets under development)</in-capmkt:RemarksForDebtEquityRatio><in-capmkt:RemarksForDebtServiceCoverageRatio contextRef="OneD">Debt service coverage ratio = (Total comprehensive income + Deferred tax + Depreciation and amortisation + Interest on debt) / (Principal repayment of debt (excluding voluntary prepayments if any) + Interest on debt + Lease payment )</in-capmkt:RemarksForDebtServiceCoverageRatio><in-capmkt:RemarksForInterestServiceCoverageRatio contextRef="OneD">Interest service coverage ratio = (Total comprehensive income + Deferred tax + Depreciation and amortisation + Interest on debt) / (Interest on debt)</in-capmkt:RemarksForInterestServiceCoverageRatio><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses1D">Electrical energy purchased</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses1D" decimals="-5" unitRef="INR">35116700000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses2D">Fuel cost</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses2D" decimals="-5" unitRef="INR">5671800000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses3D">Other expenses</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses3D" decimals="-5" unitRef="INR">5383600000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfOtherExpenses contextRef="FourExpenses1D">Electrical energy purchased</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="FourExpenses1D" decimals="-5" 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unitRef="INR">57467000000</in-capmkt:SegmentRevenue><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable3D">Renewables</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentRevenue contextRef="OneReportable3D" decimals="-5" unitRef="INR">2731100000</in-capmkt:SegmentRevenue><in-capmkt:DescriptionOfReportableSegment contextRef="FourReportable1D">Generation</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentRevenue contextRef="FourReportable1D" decimals="-5" unitRef="INR">66426500000</in-capmkt:SegmentRevenue><in-capmkt:DescriptionOfReportableSegment contextRef="FourReportable2D">Transmission and Distribution</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentRevenue contextRef="FourReportable2D" decimals="-5" unitRef="INR">186485400000</in-capmkt:SegmentRevenue><in-capmkt:DescriptionOfReportableSegment contextRef="FourReportable3D">Renewables</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentRevenue contextRef="FourReportable3D" 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contextRef="OneReportableFinance1D" decimals="-5" unitRef="INR">3918400000</in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportableFinance2D">Transmission and Distribution</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableFinance2D" decimals="-6" unitRef="INR">7068000000</in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportableFinance3D">Renewables</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableFinance3D" decimals="-5" unitRef="INR">760300000</in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts><in-capmkt:DescriptionOfReportableSegment contextRef="FourReportableFinance1D">Generation</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="FourReportableFinance1D" 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unitRef="INR">36775000000</in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts><in-capmkt:SegmentFinanceCosts contextRef="OneD" decimals="-5" unitRef="INR">2546700000</in-capmkt:SegmentFinanceCosts><in-capmkt:SegmentFinanceCosts contextRef="FourD" decimals="-5" unitRef="INR">6826100000</in-capmkt:SegmentFinanceCosts><in-capmkt:OtherUnallocableExpenditureNetOffUnAllocableIncome contextRef="OneD" decimals="-5" unitRef="INR">1150300000</in-capmkt:OtherUnallocableExpenditureNetOffUnAllocableIncome><in-capmkt:OtherUnallocableExpenditureNetOffUnAllocableIncome contextRef="FourD" decimals="-5" unitRef="INR">2254800000</in-capmkt:OtherUnallocableExpenditureNetOffUnAllocableIncome><in-capmkt:SegmentProfitBeforeTax contextRef="OneD" decimals="-5" unitRef="INR">8049700000</in-capmkt:SegmentProfitBeforeTax><in-capmkt:SegmentProfitBeforeTax contextRef="FourD" decimals="-5" unitRef="INR">27694100000</in-capmkt:SegmentProfitBeforeTax><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable31D">Generation</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable31I" decimals="-5" unitRef="INR">44692700000</in-capmkt:SegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable32D">Transmission and Distribution</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable32I" decimals="-5" unitRef="INR">215754700000</in-capmkt:SegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable33D">Renewables</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable33I" decimals="-6" unitRef="INR">141829000000</in-capmkt:SegmentAssets><in-capmkt:SegmentAssets contextRef="OneI" decimals="-5" unitRef="INR">402276400000</in-capmkt:SegmentAssets><in-capmkt:UnAllocableAssets contextRef="OneI" decimals="-5" unitRef="INR">19728700000</in-capmkt:UnAllocableAssets><in-capmkt:NetSegmentAssets contextRef="OneI" decimals="-5" unitRef="INR">422005100000</in-capmkt:NetSegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable41D">Generation</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable41I" decimals="-5" unitRef="INR">15469500000</in-capmkt:SegmentLiabilities><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable42D">Transmission and Distribution</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable42I" decimals="-5" unitRef="INR">145774600000</in-capmkt:SegmentLiabilities><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable43D">Renewables</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable43I" decimals="-5" unitRef="INR">95433500000</in-capmkt:SegmentLiabilities><in-capmkt:SegmentLiabilities contextRef="OneI" decimals="-5" unitRef="INR">256677600000</in-capmkt:SegmentLiabilities><in-capmkt:UnAllocableLiabilities contextRef="OneI" decimals="-5" unitRef="INR">-35238700000</in-capmkt:UnAllocableLiabilities><in-capmkt:NetSegmentLiabilities contextRef="OneI" decimals="-5" unitRef="INR">221438900000</in-capmkt:NetSegmentLiabilities><in-capmkt:DisclosureOfNotesOnSegmentsExplanatoryTextBlock contextRef="OneD">Generation:  Comprises of generation of power from thermal sources (gas and coal) and trading of Regassified Liquified Natural Gas. &lt;BR&gt; 
Transmission and Distribution: Comprises of transmission and distribution business (licensed and franchisee) and related ancillary services. It also comprises Power Cable business till October 16, 2024. &lt;BR&gt; 
Renewables: Comprises of generation of power from renewable energy sources i.e. wind and solar.</in-capmkt:DisclosureOfNotesOnSegmentsExplanatoryTextBlock><in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss11">Items that will not be reclassified to profit or loss</in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss11" decimals="-5" unitRef="INR">-92200000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="OneD" decimals="-5" unitRef="INR">-92200000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss41">Items that will not be reclassified to profit or loss</in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss41" decimals="-5" unitRef="INR">-281100000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="FourD" decimals="-5" unitRef="INR">-281100000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-6" unitRef="INR">-32000000</in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss contextRef="FourD" decimals="-5" unitRef="INR">-94100000</in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss><in-capmkt:DescriptionOfItemThatWillBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillBeReclassifiedToProfitAndLoss11">Items that will be reclassified subsequently to profit or loss</in-capmkt:DescriptionOfItemThatWillBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillBeReclassifiedToProfitAndLoss11" decimals="-5" unitRef="INR">-176200000</in-capmkt:AmountOfItemThatWillBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillBeReclassifiedToProfitAndLoss contextRef="OneD" decimals="-5" unitRef="INR">-176200000</in-capmkt:AmountOfItemThatWillBeReclassifiedToProfitAndLoss><in-capmkt:DescriptionOfItemThatWillBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillBeReclassifiedToProfitAndLoss41">Items that will be reclassified subsequently to profit or loss</in-capmkt:DescriptionOfItemThatWillBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillBeReclassifiedToProfitAndLoss41" decimals="-5" unitRef="INR">-199100000</in-capmkt:AmountOfItemThatWillBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillBeReclassifiedToProfitAndLoss contextRef="FourD" decimals="-5" unitRef="INR">-199100000</in-capmkt:AmountOfItemThatWillBeReclassifiedToProfitAndLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-5" unitRef="INR">-61600000</in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss contextRef="FourD" decimals="-5" unitRef="INR">-69600000</in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss><in-capmkt:OtherComprehensiveIncome contextRef="OneD" decimals="-5" unitRef="INR">-174800000</in-capmkt:OtherComprehensiveIncome><in-capmkt:OtherComprehensiveIncome contextRef="FourD" decimals="-5" unitRef="INR">-316500000</in-capmkt:OtherComprehensiveIncome></xbrli:xbrl>