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scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500110</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2024-03-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:RelatedPartyTransactionAxis"><in-capmkt:RelatedPartyTransactionDomain>RelatedPartyTransactionDomain20</in-capmkt:RelatedPartyTransactionDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="RelatedPartyTransaction20"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500110</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2024-09-30</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:RelatedPartyTransactionAxis"><in-capmkt:RelatedPartyTransactionDomain>RelatedPartyTransactionDomain20</in-capmkt:RelatedPartyTransactionDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_RelatedPartyTransaction21"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500110</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2024-04-01</xbrli:startDate><xbrli:endDate>2024-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:RelatedPartyTransactionAxis"><in-capmkt:RelatedPartyTransactionDomain>RelatedPartyTransactionDomain21</in-capmkt:RelatedPartyTransactionDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="RelatedPartyTransaction_PY21"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500110</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2024-03-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:RelatedPartyTransactionAxis"><in-capmkt:RelatedPartyTransactionDomain>RelatedPartyTransactionDomain21</in-capmkt:RelatedPartyTransactionDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="RelatedPartyTransaction21"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500110</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2024-09-30</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:RelatedPartyTransactionAxis"><in-capmkt:RelatedPartyTransactionDomain>RelatedPartyTransactionDomain21</in-capmkt:RelatedPartyTransactionDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:unit id="INR"><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unit><in-capmkt:NameOfTheCompany contextRef="MainI">CHENNAI PETROLEUM COROPRATION LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">500110</in-capmkt:ScripCode><in-capmkt:NSESymbol contextRef="MainI">CHENNPETRO</in-capmkt:NSESymbol><in-capmkt:MSEISymbol contextRef="MainI">NA</in-capmkt:MSEISymbol><in-capmkt:DateOfStartOfFinancialYear contextRef="MainD">2024-04-01</in-capmkt:DateOfStartOfFinancialYear><in-capmkt:DateOfEndOfFinancialYear contextRef="MainD">2025-03-31</in-capmkt:DateOfEndOfFinancialYear><in-capmkt:ReportingPeriod contextRef="MainD">First half yearly</in-capmkt:ReportingPeriod><in-capmkt:DateOfStartOfReportingPeriod contextRef="MainD">2024-04-01</in-capmkt:DateOfStartOfReportingPeriod><in-capmkt:DateOfEndOfReportingPeriod contextRef="MainD">2024-09-30</in-capmkt:DateOfEndOfReportingPeriod><in-capmkt:LevelOfRoundingUsedInFinancialStatements contextRef="MainD">Crores</in-capmkt:LevelOfRoundingUsedInFinancialStatements><in-capmkt:WhetherTheCompanyHasAnyRelatedParty contextRef="MainD">true</in-capmkt:WhetherTheCompanyHasAnyRelatedParty><in-capmkt:WhetherTheCompanyHasEnteredIntoAnyRelatedPartyTransactionDuringThePeriod contextRef="MainD">true</in-capmkt:WhetherTheCompanyHasEnteredIntoAnyRelatedPartyTransactionDuringThePeriod><in-capmkt:WeDeclareThatTheAcceptanceOfFixedDepositsByTheBansOrNonBankingFinanceCompanyAreAtTheTermsUniformlyApplicableOrOfferedToAllShareholdersOrPublic contextRef="MainD">NA</in-capmkt:WeDeclareThatTheAcceptanceOfFixedDepositsByTheBansOrNonBankingFinanceCompanyAreAtTheTermsUniformlyApplicableOrOfferedToAllShareholdersOrPublic><in-capmkt:WeDeclareThatTheScheduledCommercialBankAsPerRBICircularRBIDBR20151619DatedMarch032016HasAllowedAdditionalInterestOfOnePerCentPerAnnumOverAndAboveTheRateOfInterestMentionedInTheScheduleOfInterestRatesOnSavings contextRef="MainD">NA</in-capmkt:WeDeclareThatTheScheduledCommercialBankAsPerRBICircularRBIDBR20151619DatedMarch032016HasAllowedAdditionalInterestOfOnePerCentPerAnnumOverAndAboveTheRateOfInterestMentionedInTheScheduleOfInterestRatesOnSavings><in-capmkt:WhetherTheCompanyIsAHighValueDebtListedEntityAccordingToRegulation151A contextRef="MainD">true</in-capmkt:WhetherTheCompanyIsAHighValueDebtListedEntityAccordingToRegulation151A><in-capmkt:IfTheCompanyIsAHighValueDebtListedEntityAccordingToRegulation151AThenWhetherComplyingWithProvisoToRegulation239 contextRef="MainD">true</in-capmkt:IfTheCompanyIsAHighValueDebtListedEntityAccordingToRegulation151AThenWhetherComplyingWithProvisoToRegulation239><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction1">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction1">INDIAN OIL CORPORATION LIMITED</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction1">HOLDING COMPANY</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction1">Sale of goods or services</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction1" decimals="-7" unitRef="INR">840000000000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction1">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction1" decimals="-4" unitRef="INR">329486880000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY1" decimals="-4" unitRef="INR">1358010000</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction1" decimals="-4" unitRef="INR">6658020000</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction2">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction2">INDIAN OIL CORPORATION LIMITED</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction2">HOLDING COMPANY</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction2">Dividend paid</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction2" decimals="-5" unitRef="INR">332500000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction2">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction2" decimals="-5" unitRef="INR">166300000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY2" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction2" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction3">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction3">INDIAN OIL CORPORATION LIMITED</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction3">HOLDING COMPANY</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction3">Any other transaction</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:DetailsOfOtherRelatedPartyTransaction contextRef="D_RelatedPartyTransaction3">EDP Maintenance</in-capmkt:DetailsOfOtherRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction3" decimals="-5" unitRef="INR">49400000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction3">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction3" decimals="-5" unitRef="INR">19900000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY3" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction3" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction4">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction4">INDIAN OIL CORPORATION LIMITED</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction4">HOLDING COMPANY</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction4">Any other transaction</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:DetailsOfOtherRelatedPartyTransaction contextRef="D_RelatedPartyTransaction4">Other Operating Income</in-capmkt:DetailsOfOtherRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction4" decimals="-5" unitRef="INR">170400000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction4">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction4" decimals="-5" unitRef="INR">170400000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY4" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction4" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction5">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction5">INDIAN OIL CORPORATION LIMITED</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction5">HOLDING COMPANY</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction5">Purchase of goods or services</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction5" decimals="-7" unitRef="INR">3150000000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction5">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction5" decimals="-4" unitRef="INR">1572160000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY5" decimals="-4" unitRef="INR">28662860000</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction5" decimals="-4" unitRef="INR">3346920000</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction6">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction6">INDIAN OIL CORPORATION LIMITED</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction6">HOLDING COMPANY</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction6">Purchase of goods or services</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction6" decimals="-5" unitRef="INR">105800000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction6">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction6" decimals="-4" unitRef="INR">41520000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY6" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction6" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction7">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction7">INDIAN OIL CORPORATION LIMITED</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction7">HOLDING COMPANY</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction7">Any other transaction</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:DetailsOfOtherRelatedPartyTransaction contextRef="D_RelatedPartyTransaction7">Canalising commission</in-capmkt:DetailsOfOtherRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction7" decimals="-5" unitRef="INR">78800000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction7">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction7" decimals="-5" unitRef="INR">40300000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY7" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction7" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction8">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction8">INDIAN OIL CORPORATION LIMITED</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction8">HOLDING COMPANY</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction8">Any other transaction</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:DetailsOfOtherRelatedPartyTransaction contextRef="D_RelatedPartyTransaction8">Vessel hiring chargesVessel</in-capmkt:DetailsOfOtherRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction8" decimals="-7" unitRef="INR">1000000000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction8">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction8" decimals="-5" unitRef="INR">261900000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY8" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction8" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction9">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction9">INDIAN OIL CORPORATION LIMITED</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction9">HOLDING COMPANY</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction9">Any other transaction</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:DetailsOfOtherRelatedPartyTransaction contextRef="D_RelatedPartyTransaction9">Terminalling and Facilitation Charges</in-capmkt:DetailsOfOtherRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction9" decimals="-5" unitRef="INR">60400000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction9">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction9" decimals="-5" unitRef="INR">19400000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY9" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction9" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction10">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction10">INDIAN OIL CORPORATION LIMITED</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction10">HOLDING COMPANY</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction10">Any other transaction</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:DetailsOfOtherRelatedPartyTransaction contextRef="D_RelatedPartyTransaction10">Purchase of RLNG</in-capmkt:DetailsOfOtherRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction10" decimals="-7" unitRef="INR">25600000000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction10">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction10" decimals="-6" unitRef="INR">13752000000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY10" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction10" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction11">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction11">INDIAN OIL CORPORATION LIMITED</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction11">HOLDING COMPANY</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction11">Any other transaction</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:DetailsOfOtherRelatedPartyTransaction contextRef="D_RelatedPartyTransaction11">Finance Cost - Unwinding of finance cost</in-capmkt:DetailsOfOtherRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction11" decimals="-6" unitRef="INR">4000000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction11">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction11" decimals="-5" unitRef="INR">1900000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY11" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction11" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction12">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction12">Indian Additives Limited</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction12">JOINT VENTURE COMPANY</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction12">Sale of goods or services</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction12" decimals="-6" unitRef="INR">1000000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction12">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction12" decimals="-5" unitRef="INR">100000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY12" decimals="-5" unitRef="INR">2600000</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction12" decimals="-4" unitRef="INR">60000</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction13">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction13">ARVIND KUMAR</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction13">CHIEF EXECUTIVE OFFICER</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction13">Remuneration</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction13" decimals="-6" unitRef="INR">8000000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction13">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction13" decimals="-4" unitRef="INR">3810000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY13" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction13" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction14">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction14">H.SHANKAR</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction14">WHOLE TIME DIRECTOR</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction14">Remuneration</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction14" decimals="-6" unitRef="INR">8000000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction14">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction14" decimals="-4" unitRef="INR">5690000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY14" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction14" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction15">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction15">ROHIT KUMAR AGRAWALA</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction15">CHIEF FINANCIAL OFFICER</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction15">Remuneration</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction15" decimals="-6" unitRef="INR">6000000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction15">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction15" decimals="-4" unitRef="INR">3110000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY15" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction15" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction16">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction16">P. KANNAN</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction16">WHOLE TIME DIRECTOR</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction16">Remuneration</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction16" decimals="-6" unitRef="INR">8000000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction16">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction16" decimals="-4" unitRef="INR">5480000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY16" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction16" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction17">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction17">P. SHANKAR</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction17">Company Secreetary</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction17">Remuneration</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction17" decimals="-6" unitRef="INR">8000000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction17">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction17" decimals="-4" unitRef="INR">5060000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY17" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction17" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction18">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction18">Ravi Kumar Rungta</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction18">INDEPENDENT DIRECTOR</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction18">Remuneration</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction18" decimals="-5" unitRef="INR">400000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction18">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction18" decimals="-4" unitRef="INR">180000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY18" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction18" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction19">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction19">C.K Shivanna</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction19">INDEPENDENT DIRECTOR</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction19">Remuneration</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction19" decimals="-5" unitRef="INR">400000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction19">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction19" decimals="-4" unitRef="INR">150000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY19" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction19" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction20">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction20">CPCL Employees Provident Fund</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction20">ENTITIES OVER WHICH KMP HAVE SIGNIFICANT CONTROL</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction20">Any other transaction</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:DetailsOfOtherRelatedPartyTransaction contextRef="D_RelatedPartyTransaction20">Contribution by Employer</in-capmkt:DetailsOfOtherRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction20" decimals="-7" unitRef="INR">250000000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction20">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction20" decimals="-5" unitRef="INR">124800000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY20" decimals="-5" unitRef="INR">20700000</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction20" decimals="-4" unitRef="INR">20540000</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_RelatedPartyTransaction21">CHENNAI PETROLEUM CORPORATION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_RelatedPartyTransaction21">CPCL Employees Superannuation Benefit Fund</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_RelatedPartyTransaction21">ENTITIES OVER WHICH KMP HAVE SIGNIFICANT CONTROL</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_RelatedPartyTransaction21">Any other transaction</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:DetailsOfOtherRelatedPartyTransaction contextRef="D_RelatedPartyTransaction21">Contribution by Employer</in-capmkt:DetailsOfOtherRelatedPartyTransaction><in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee contextRef="D_RelatedPartyTransaction21" decimals="-7" unitRef="INR">120000000</in-capmkt:ValueOfTheRelatedPartyTransactionAsApprovedByTheAuditCommittee><in-capmkt:RemarksOnApprovalByAuditCommittee contextRef="D_RelatedPartyTransaction21">Approved</in-capmkt:RemarksOnApprovalByAuditCommittee><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_RelatedPartyTransaction21" decimals="-6" unitRef="INR">67000000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction_PY21" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransaction contextRef="RelatedPartyTransaction21" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfRelatedPartyTransaction></xbrli:xbrl>