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<xbrli:unit id="INR"><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unit><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><xbrli:unit id="shares"><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unit><xbrli:unit id="INRPerShare"><xbrli:divide><xbrli:unitNumerator><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unitNumerator><xbrli:unitDenominator><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unitDenominator></xbrli:divide></xbrli:unit>
<in-bse-fin:Symbol contextRef="OneD">GAIL</in-bse-fin:Symbol>
<in-bse-fin:DateOfStartOfFinancialYear contextRef="OneD">2020-04-01</in-bse-fin:DateOfStartOfFinancialYear>
<in-bse-fin:DateOfEndOfFinancialYear contextRef="OneD">2021-03-31</in-bse-fin:DateOfEndOfFinancialYear>
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<in-bse-fin:LevelOfRoundingUsedInFinancialStatements contextRef="OneD">Crores</in-bse-fin:LevelOfRoundingUsedInFinancialStatements>
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<in-bse-fin:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" unitRef="INRPerShare" decimals="INF">5.52</in-bse-fin:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations>
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<in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">1.The above audited Consolidated Financial Results were reviewed and recommended by the Audit Committee and approved by the Board of Directors of the parent Company in its meetings held on 9th June 2021.   2. The Consolidated Financial Results have been audited by the Statutory Auditors as required under Regulation 33 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015.   3. The Parent Company has filed appeals before Appellate Tribunal (APTEL), against various moderation done by PNGRB in respect of six numbers of final tariff order(s) issued by PNGRB and also certain customers have challenged some of the Tariff orders of PNGRB in Court of Law. Adjustment on account of revision, if any will be recognized as and when the matter is finally decided.</in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock>
<in-bse-fin:IsCompanyReportingMultisegmentOrSingleSegment contextRef="FourD">Multi segment</in-bse-fin:IsCompanyReportingMultisegmentOrSingleSegment>
<in-bse-fin:DateOfStartOfReportingPeriod contextRef="FourD">2020-04-01</in-bse-fin:DateOfStartOfReportingPeriod>
<in-bse-fin:DateOfEndOfReportingPeriod contextRef="FourD">2021-03-31</in-bse-fin:DateOfEndOfReportingPeriod>
<in-bse-fin:WhetherResultsAreAuditedOrUnaudited contextRef="FourD">Audited</in-bse-fin:WhetherResultsAreAuditedOrUnaudited>
<in-bse-fin:NatureOfReportStandaloneConsolidated contextRef="FourD">Consolidated</in-bse-fin:NatureOfReportStandaloneConsolidated>
<in-bse-fin:RevenueFromOperations contextRef="FourD" unitRef="INR" decimals="-7">574282600000.00</in-bse-fin:RevenueFromOperations>
<in-bse-fin:OtherIncome contextRef="FourD" unitRef="INR" decimals="-7">11202000000.00</in-bse-fin:OtherIncome>
<in-bse-fin:Income contextRef="FourD" unitRef="INR" decimals="-7">585484600000.00</in-bse-fin:Income>
<in-bse-fin:CostOfMaterialsConsumed contextRef="FourD" unitRef="INR" decimals="-7">39058800000.00</in-bse-fin:CostOfMaterialsConsumed>
<in-bse-fin:PurchasesOfStockInTrade contextRef="FourD" unitRef="INR" decimals="-7">393791300000.00</in-bse-fin:PurchasesOfStockInTrade>
<in-bse-fin:ChangesInInventoriesOfFinishedGoodsWorkInProgressAndStockInTrade contextRef="FourD" unitRef="INR" decimals="-7">4402000000.00</in-bse-fin:ChangesInInventoriesOfFinishedGoodsWorkInProgressAndStockInTrade>
<in-bse-fin:EmployeeBenefitExpense contextRef="FourD" unitRef="INR" decimals="-7">16458900000.00</in-bse-fin:EmployeeBenefitExpense>
<in-bse-fin:FinanceCosts contextRef="FourD" unitRef="INR" decimals="-7">1792700000.00</in-bse-fin:FinanceCosts>
<in-bse-fin:DepreciationDepletionAndAmortisationExpense contextRef="FourD" unitRef="INR" decimals="-7">21738200000.00</in-bse-fin:DepreciationDepletionAndAmortisationExpense>
<in-bse-fin:OtherExpenses contextRef="FourD" unitRef="INR" decimals="-7">48134000000.00</in-bse-fin:OtherExpenses>
<in-bse-fin:Expenses contextRef="FourD" unitRef="INR" decimals="-7">525375900000.00</in-bse-fin:Expenses>
<in-bse-fin:ProfitBeforeExceptionalItemsAndTax contextRef="FourD" unitRef="INR" decimals="-7">60108700000.00</in-bse-fin:ProfitBeforeExceptionalItemsAndTax>
<in-bse-fin:ExceptionalItemsBeforeTax contextRef="FourD" unitRef="INR" decimals="-7">0.00</in-bse-fin:ExceptionalItemsBeforeTax>
<in-bse-fin:ProfitBeforeTax contextRef="FourD" unitRef="INR" decimals="-7">60108700000.00</in-bse-fin:ProfitBeforeTax>
<in-bse-fin:CurrentTax contextRef="FourD" unitRef="INR" decimals="-7">15918800000.00</in-bse-fin:CurrentTax>
<in-bse-fin:DeferredTax contextRef="FourD" unitRef="INR" decimals="-7">-92500000.00</in-bse-fin:DeferredTax>
<in-bse-fin:TaxExpense contextRef="FourD" unitRef="INR" decimals="-7">15826300000.00</in-bse-fin:TaxExpense>
<in-bse-fin:NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndTheRelatedDeferredTaxMovement contextRef="FourD" unitRef="INR" decimals="-7">0.00</in-bse-fin:NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndTheRelatedDeferredTaxMovement>
<in-bse-fin:ProfitLossForPeriodFromContinuingOperations contextRef="FourD" unitRef="INR" decimals="-7">44282400000.00</in-bse-fin:ProfitLossForPeriodFromContinuingOperations>
<in-bse-fin:ProfitLossFromDiscontinuedOperationsBeforeTax contextRef="FourD" unitRef="INR" decimals="-7">0.00</in-bse-fin:ProfitLossFromDiscontinuedOperationsBeforeTax>
<in-bse-fin:TaxExpenseOfDiscontinuedOperations contextRef="FourD" unitRef="INR" decimals="-7">0.00</in-bse-fin:TaxExpenseOfDiscontinuedOperations>
<in-bse-fin:ProfitLossFromDiscontinuedOperationsAfterTax contextRef="FourD" unitRef="INR" decimals="-7">0.00</in-bse-fin:ProfitLossFromDiscontinuedOperationsAfterTax>
<in-bse-fin:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod contextRef="FourD" unitRef="INR" decimals="-7">17145800000.00</in-bse-fin:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod>
<in-bse-fin:ProfitLossForPeriod contextRef="FourD" unitRef="INR" decimals="-7">61428200000.00</in-bse-fin:ProfitLossForPeriod>
<in-bse-fin:OtherComprehensiveIncomeNetOfTaxes contextRef="FourD" unitRef="INR" decimals="-7">13259500000.00</in-bse-fin:OtherComprehensiveIncomeNetOfTaxes>
<in-bse-fin:ComprehensiveIncomeForThePeriod contextRef="FourD" unitRef="INR" decimals="-7">74687700000.00</in-bse-fin:ComprehensiveIncomeForThePeriod>
<in-bse-fin:ProfitOrLossAttributableToOwnersOfParent contextRef="FourD" unitRef="INR" decimals="-7">61363500000.00</in-bse-fin:ProfitOrLossAttributableToOwnersOfParent>
<in-bse-fin:ProfitOrLossAttributableToNonControllingInterests contextRef="FourD" unitRef="INR" decimals="-7">64700000.00</in-bse-fin:ProfitOrLossAttributableToNonControllingInterests>
<in-bse-fin:ComprehensiveIncomeForThePeriodAttributableToOwnersOfParent contextRef="FourD" unitRef="INR" decimals="-7">13259500000.00</in-bse-fin:ComprehensiveIncomeForThePeriodAttributableToOwnersOfParent>
<in-bse-fin:ComprehensiveIncomeForThePeriodAttributableToOwnersOfParentNonControllingInterests contextRef="FourD" unitRef="INR" decimals="-7">0.00</in-bse-fin:ComprehensiveIncomeForThePeriodAttributableToOwnersOfParentNonControllingInterests>
<in-bse-fin:PaidUpValueOfEquityShareCapital contextRef="FourD" unitRef="INR" decimals="-7">44403900000.00</in-bse-fin:PaidUpValueOfEquityShareCapital>
<in-bse-fin:FaceValueOfEquityShareCapital contextRef="FourD" unitRef="INRPerShare" decimals="INF">10</in-bse-fin:FaceValueOfEquityShareCapital>
<in-bse-fin:ReserveExcludingRevaluationReserves contextRef="FourD" unitRef="INR" decimals="-7">427923700000.00</in-bse-fin:ReserveExcludingRevaluationReserves>
<in-bse-fin:BasicEarningsLossPerShareFromContinuingOperations contextRef="FourD" unitRef="INRPerShare" decimals="INF">13.61</in-bse-fin:BasicEarningsLossPerShareFromContinuingOperations>
<in-bse-fin:DilutedEarningsLossPerShareFromContinuingOperations contextRef="FourD" unitRef="INRPerShare" decimals="INF">13.61</in-bse-fin:DilutedEarningsLossPerShareFromContinuingOperations>
<in-bse-fin:BasicEarningsLossPerShareFromDiscontinuedOperations contextRef="FourD" unitRef="INRPerShare" decimals="INF">0.00</in-bse-fin:BasicEarningsLossPerShareFromDiscontinuedOperations>
<in-bse-fin:DilutedEarningsLossPerShareFromDiscontinuedOperations contextRef="FourD" unitRef="INRPerShare" decimals="INF">0.00</in-bse-fin:DilutedEarningsLossPerShareFromDiscontinuedOperations>
<in-bse-fin:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="FourD" unitRef="INRPerShare" decimals="INF">13.61</in-bse-fin:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations>
<in-bse-fin:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="FourD" unitRef="INRPerShare" decimals="INF">13.61</in-bse-fin:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations>
<in-bse-fin:DescriptionOfOtherExpenses contextRef="OneOperatingExpenses01D">Excise Duty</in-bse-fin:DescriptionOfOtherExpenses>
<in-bse-fin:OtherExpenses contextRef="OneOperatingExpenses01D" unitRef="INR" decimals="-7">192800000.00</in-bse-fin:OtherExpenses>
<in-bse-fin:DescriptionOfOtherExpenses contextRef="OneOperatingExpenses02D">Other Expenses</in-bse-fin:DescriptionOfOtherExpenses>
<in-bse-fin:OtherExpenses contextRef="OneOperatingExpenses02D" unitRef="INR" decimals="-7">11915500000.00</in-bse-fin:OtherExpenses>
<in-bse-fin:DescriptionOfOtherExpenses contextRef="FourOperatingExpenses01D">Excise Duty</in-bse-fin:DescriptionOfOtherExpenses>
<in-bse-fin:OtherExpenses contextRef="FourOperatingExpenses01D" unitRef="INR" decimals="-7">563500000.00</in-bse-fin:OtherExpenses>
<in-bse-fin:DescriptionOfOtherExpenses contextRef="FourOperatingExpenses02D">Other Expenses</in-bse-fin:DescriptionOfOtherExpenses>
<in-bse-fin:OtherExpenses contextRef="FourOperatingExpenses02D" unitRef="INR" decimals="-7">47570500000.00</in-bse-fin:OtherExpenses>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentRevenue01D">City Gas</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="OneReportableSegmentRevenue01D" unitRef="INR" decimals="-7">13627800000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentRevenue02D">LPG Transmission</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="OneReportableSegmentRevenue02D" unitRef="INR" decimals="-7">1689000000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentRevenue03D">LPG and Liquid Hydrocarbons</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="OneReportableSegmentRevenue03D" unitRef="INR" decimals="-7">8650600000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentRevenue04D">Natural Gas Transmission/Marketing</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="OneReportableSegmentRevenue04D" unitRef="INR" decimals="-7">154185500000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentRevenue05D">Other Segment</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="OneReportableSegmentRevenue05D" unitRef="INR" decimals="-7">2164600000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentRevenue06D">Petrochemicals</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="OneReportableSegmentRevenue06D" unitRef="INR" decimals="-7">22178600000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentRevenue07D">Unallocated</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="OneReportableSegmentRevenue07D" unitRef="INR" decimals="-7">2700000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentRevenue01D">City Gas</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="FourReportableSegmentRevenue01D" unitRef="INR" decimals="-7">42181200000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentRevenue02D">LPG Transmission</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="FourReportableSegmentRevenue02D" unitRef="INR" decimals="-7">6672600000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentRevenue03D">LPG and Liquid Hydrocarbons</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="FourReportableSegmentRevenue03D" unitRef="INR" decimals="-7">32938700000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentRevenue04D">Natural Gas Transmission/Marketing</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="FourReportableSegmentRevenue04D" unitRef="INR" decimals="-7">586889400000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentRevenue05D">Other Segment</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="FourReportableSegmentRevenue05D" unitRef="INR" decimals="-7">9010200000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentRevenue06D">Petrochemicals</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="FourReportableSegmentRevenue06D" unitRef="INR" decimals="-7">70608900000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentRevenue07D">Unallocated</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="FourReportableSegmentRevenue07D" unitRef="INR" decimals="-7">7800000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:SegmentRevenue contextRef="OneD" unitRef="INR" decimals="-7">202498800000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:SegmentRevenue contextRef="FourD" unitRef="INR" decimals="-7">748308800000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:SegmentRevenueFromOperations contextRef="OneD" unitRef="INR" decimals="-7">202498800000.00</in-bse-fin:SegmentRevenueFromOperations>
<in-bse-fin:SegmentRevenueFromOperations contextRef="FourD" unitRef="INR" decimals="-7">748308800000.00</in-bse-fin:SegmentRevenueFromOperations>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults01D">City Gas</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableSegmentResults01D" unitRef="INR" decimals="-7">898000000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults02D">LPG Transmission</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableSegmentResults02D" unitRef="INR" decimals="-7">885200000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults03D">LPG and Liquid Hydrocarbons</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableSegmentResults03D" unitRef="INR" decimals="-7">4743600000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults04D">Natural Gas Transmission/Marketing</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableSegmentResults04D" unitRef="INR" decimals="-7">16206600000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults05D">Other Segment</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableSegmentResults05D" unitRef="INR" decimals="-7">578700000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults06D">Petrochemicals</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableSegmentResults06D" unitRef="INR" decimals="-7">6089000000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults07D">Unallocated</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableSegmentResults07D" unitRef="INR" decimals="-7">0.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults01D">City Gas</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="FourReportableSegmentResults01D" unitRef="INR" decimals="-7">2522000000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults02D">LPG Transmission</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="FourReportableSegmentResults02D" unitRef="INR" decimals="-7">3513800000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults03D">LPG and Liquid Hydrocarbons</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="FourReportableSegmentResults03D" unitRef="INR" decimals="-7">13034500000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults04D">Natural Gas Transmission/Marketing</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="FourReportableSegmentResults04D" unitRef="INR" decimals="-7">32425900000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults05D">Other Segment</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="FourReportableSegmentResults05D" unitRef="INR" decimals="-7">3831600000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults06D">Petrochemicals</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="FourReportableSegmentResults06D" unitRef="INR" decimals="-7">10648600000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults07D">Unallocated</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="FourReportableSegmentResults07D" unitRef="INR" decimals="-7">0.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneD" unitRef="INR" decimals="-7">29401100000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="FourD" unitRef="INR" decimals="-7">65976400000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:SegmentFinanceCosts contextRef="OneD" unitRef="INR" decimals="-7">576500000.00</in-bse-fin:SegmentFinanceCosts>
<in-bse-fin:SegmentFinanceCosts contextRef="FourD" unitRef="INR" decimals="-7">1792700000.00</in-bse-fin:SegmentFinanceCosts>
<in-bse-fin:OtherUnallocableExpenditureNetOffUnAllocableIncome contextRef="OneD" unitRef="INR" decimals="-7">-3363900000.00</in-bse-fin:OtherUnallocableExpenditureNetOffUnAllocableIncome>
<in-bse-fin:DisclosureOfNotesOnSegmentsExplanatoryTextBlock contextRef="OneD">1. Segment Revenue includes Other operating Income   2. Other Segments include GAILTel, E&amp;P &amp; Power Generation</in-bse-fin:DisclosureOfNotesOnSegmentsExplanatoryTextBlock>
<in-bse-fin:OtherUnallocableExpenditureNetOffUnAllocableIncome contextRef="FourD" unitRef="INR" decimals="-7">-13070800000.00</in-bse-fin:OtherUnallocableExpenditureNetOffUnAllocableIncome>
<in-bse-fin:SegmentProfitBeforeTax contextRef="OneD" unitRef="INR" decimals="-7">32188500000.00</in-bse-fin:SegmentProfitBeforeTax>
<in-bse-fin:SegmentProfitBeforeTax contextRef="FourD" unitRef="INR" decimals="-7">77254500000.00</in-bse-fin:SegmentProfitBeforeTax>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentAssets01D">City Gas</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentAssets contextRef="OneReportableSegmentAssets01D" unitRef="INR" decimals="-7">42849200000.00</in-bse-fin:SegmentAssets>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentAssets02D">LPG Transmission</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentAssets contextRef="OneReportableSegmentAssets02D" unitRef="INR" decimals="-7">10899400000.00</in-bse-fin:SegmentAssets>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentAssets03D">LPG and Liquid Hydrocarbons</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentAssets contextRef="OneReportableSegmentAssets03D" unitRef="INR" decimals="-7">9265500000.00</in-bse-fin:SegmentAssets>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentAssets04D">Natural Gas Transmission/Marketing</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentAssets contextRef="OneReportableSegmentAssets04D" unitRef="INR" decimals="-7">484570800000.00</in-bse-fin:SegmentAssets>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentAssets05D">Other Segment</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentAssets contextRef="OneReportableSegmentAssets05D" unitRef="INR" decimals="-7">15929500000.00</in-bse-fin:SegmentAssets>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentAssets06D">Petrochemicals</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentAssets contextRef="OneReportableSegmentAssets06D" unitRef="INR" decimals="-7">96649500000.00</in-bse-fin:SegmentAssets>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentAssets07D">Unallocated</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentAssets contextRef="OneReportableSegmentAssets07D" unitRef="INR" decimals="-7">153685700000.00</in-bse-fin:SegmentAssets>
<in-bse-fin:SegmentAssets contextRef="OneD" unitRef="INR" decimals="-7">813849600000.00</in-bse-fin:SegmentAssets>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentLiabilities01D">City Gas</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentLiabilities contextRef="OneReportableSegmentLiabilities01I" unitRef="INR" decimals="-7">8469200000.00</in-bse-fin:SegmentLiabilities>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentLiabilities02D">LPG Transmission</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentLiabilities contextRef="OneReportableSegmentLiabilities02I" unitRef="INR" decimals="-7">1318900000.00</in-bse-fin:SegmentLiabilities>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentLiabilities03D">LPG and Liquid Hydrocarbons</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentLiabilities contextRef="OneReportableSegmentLiabilities03I" unitRef="INR" decimals="-7">1735000000.00</in-bse-fin:SegmentLiabilities>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentLiabilities04D">Natural Gas Transmission/Marketing</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentLiabilities contextRef="OneReportableSegmentLiabilities04I" unitRef="INR" decimals="-7">128271000000.00</in-bse-fin:SegmentLiabilities>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentLiabilities05D">Other Segment</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentLiabilities contextRef="OneReportableSegmentLiabilities05I" unitRef="INR" decimals="-7">1606700000.00</in-bse-fin:SegmentLiabilities>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentLiabilities06D">Petrochemicals</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentLiabilities contextRef="OneReportableSegmentLiabilities06I" unitRef="INR" decimals="-7">5555400000.00</in-bse-fin:SegmentLiabilities>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentLiabilities07D">Unallocated</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentLiabilities contextRef="OneReportableSegmentLiabilities07I" unitRef="INR" decimals="-7">134095100000.00</in-bse-fin:SegmentLiabilities>
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