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<xbrli:xbrl xmlns:in-capmkt="http://www.sebi.gov.in/xbrl/2026-03-31/in-capmkt" xmlns:in-capmkt-ent="http://www.sebi.gov.in/xbrl/Action_Initiation_Or_Action_Taken_Or_Order_Passed/2026-03-31/in-capmkt/in-capmkt-ent" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:in-capmkt-types="http://www.sebi.gov.in/xbrl/2026-03-31/in-capmkt-types" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:net="http://www.xbrl.org/2009/role/net" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xl="http://www.w3.org/1999/xlink"><link:schemaRef xlink:type="simple" xlink:href="in-capmkt-ent-2026-03-31.xsd"/><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">500186</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-07-06</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_ActionsTaken1"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">500186</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-07-06</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ActionsTakenOrOrdersPassedAxis"><in-capmkt:ActionsTakenOrOrdersPassedDomain>ActionsTakenOrOrdersPassedDomain1</in-capmkt:ActionsTakenOrOrdersPassedDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_ActionsTaken1_PersonsAgainstWhomActionsTaken1"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">500186</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-07-06</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember 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id="INR"><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unit><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><in-capmkt:NSESymbol contextRef="MainI">HINDOILEXP</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">Hindustan Oil Exploration Company Limited</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">500186</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE345A01011</in-capmkt:ISIN><in-capmkt:TypeOfAnnouncement contextRef="MainI">New</in-capmkt:TypeOfAnnouncement><in-capmkt:TypeOfEvent contextRef="MainI">Action(s) taken or orders passed (sub-para 20)</in-capmkt:TypeOfEvent><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting contextRef="MainI">false</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting><in-capmkt:DateOfOccurrenceOfEventOrInformation contextRef="MainI">2026-06-30</in-capmkt:DateOfOccurrenceOfEventOrInformation><in-capmkt:TimeOfOccurrenceOfEventOrInformation contextRef="MainI">18:50:00</in-capmkt:TimeOfOccurrenceOfEventOrInformation><in-capmkt:DateOfReport contextRef="MainI">2026-07-06</in-capmkt:DateOfReport><in-capmkt:TypeOfActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">Imposition of fine or penalty</in-capmkt:TypeOfActionsTakenOrOrdersPassed><in-capmkt:ActionsTakenOrOrdersPassedBy contextRef="I_ActionsTaken1">Regulatory Authority</in-capmkt:ActionsTakenOrOrdersPassedBy><in-capmkt:NameOfAuthorityFromWhomActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">National Stock Exchange of India Limited</in-capmkt:NameOfAuthorityFromWhomActionsTakenOrOrdersPassed><in-capmkt:NumberOfPersonsAgainstWhomActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1" unitRef="pure" decimals="0">1</in-capmkt:NumberOfPersonsAgainstWhomActionsTakenOrOrdersPassed><in-capmkt:ActionsTakenOrOrdersPassedAgainst contextRef="I_ActionsTaken1_PersonsAgainstWhomActionsTaken1">Listed Entity (Self)</in-capmkt:ActionsTakenOrOrdersPassedAgainst><in-capmkt:NameOfPersonAgainstWhomActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1_PersonsAgainstWhomActionsTaken1">Hindustan Oil Exploration Company Limited</in-capmkt:NameOfPersonAgainstWhomActionsTakenOrOrdersPassed><in-capmkt:TypeOfCommunicationReceivedForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">E-Mail and NSE NEAPS portal</in-capmkt:TypeOfCommunicationReceivedForActionsTakenOrOrdersPassed><in-capmkt:NatureAndDetailsOfTheActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">NSE vide its email and notice dated June 30, 2026, has imposed fine of Rs. 59,000/- (basic fine plus GST) on the Company for non-submission of the audited financial results for the quarter and year ended March 31, 2026 within the period prescribed under Regulation 33 of the SEBI Listing Regulations. The Company shall make the payment of the fine within the timelines prescribed by NSE</in-capmkt:NatureAndDetailsOfTheActionsTakenOrOrdersPassed><in-capmkt:DateOfReceiptOfCommunicationReceivedForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">2026-06-30</in-capmkt:DateOfReceiptOfCommunicationReceivedForActionsTakenOrOrdersPassed><in-capmkt:BriefDetailsOfTheMaterialContentsOfTheCommunicationReceivedForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">Imposition of fine Rs. 59,000 (Basic fine Rs. 50,000 + GST 18% Rs. 9,000) for Non-submission of the financial results within the period prescribed timeline as prescribed under Regulation 33 of SEBI (LODR) Regulations, 2015</in-capmkt:BriefDetailsOfTheMaterialContentsOfTheCommunicationReceivedForActionsTakenOrOrdersPassed><in-capmkt:PeriodForWhichCommunicationWouldBeApplicableForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">Quarter and Year ended March 31, 2026</in-capmkt:PeriodForWhichCommunicationWouldBeApplicableForActionsTakenOrOrdersPassed><in-capmkt:ExpectedImpactOfActionsTakenOnFinancialAndOperationalOrOtherActivitiesOfTheListedEntity contextRef="I_ActionsTaken1">The Company has submitted the audited financial results  (Standalone and Consolidated) for the quarter and year ended March 31, 2026 to the Stock Exchanges on June 11, 2026.
The said delay in submission of audited financial results was on account of the changes occurred in the Key Managerial Personnel and rotation of Statutory Auditors of the Company. 
There is no impact on the financial, operation or other activities of the Company due to levy of the said fine</in-capmkt:ExpectedImpactOfActionsTakenOnFinancialAndOperationalOrOtherActivitiesOfTheListedEntity><in-capmkt:DetailsOfAnyAberrationsOrNonCompliancesOrViolationsOrContraventionsIdentifiedByTheAuthorityInTheCommunicationForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">Non-submission of the financial results within the period prescribed timeline as prescribed under Regulation 33 of SEBI (LODR) Regulations, 2015</in-capmkt:DetailsOfAnyAberrationsOrNonCompliancesOrViolationsOrContraventionsIdentifiedByTheAuthorityInTheCommunicationForActionsTakenOrOrdersPassed><in-capmkt:AmountOfFineOrPenalty contextRef="I_ActionsTaken1" unitRef="INR" decimals="0">59000</in-capmkt:AmountOfFineOrPenalty><in-capmkt:DetailsOfAnyPenaltyOrRestrictionOrSanctionImposedPursuantToTheCommunicationForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">Rs. 59,000 (Basic fine Rs. 50,000 + GST 18% Rs. 9,000)</in-capmkt:DetailsOfAnyPenaltyOrRestrictionOrSanctionImposedPursuantToTheCommunicationForActionsTakenOrOrdersPassed><in-capmkt:DetailsOfRegulatoryActionsOrSanctions contextRef="I_ActionsTaken1">NA</in-capmkt:DetailsOfRegulatoryActionsOrSanctions><in-capmkt:ActionsTakenByListedCompanyWithRespectToTheCommunicationForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">The Company has submitted the audited financial results  (Standalone and Consolidated) for the quarter and year ended March 31, 2026 to the Stock Exchanges on June 11, 2026
Further, the Company has paid the fine imposed on 02-07-2026</in-capmkt:ActionsTakenByListedCompanyWithRespectToTheCommunicationForActionsTakenOrOrdersPassed><in-capmkt:NameOfTheSignatory contextRef="I_Signatories1">Baroruchi Mishra</in-capmkt:NameOfTheSignatory><in-capmkt:DesignationOfTheSignatory contextRef="I_Signatories1">Managing Director &amp; CEO</in-capmkt:DesignationOfTheSignatory><in-capmkt:DateOfOfTheSignatory contextRef="I_Signatories1">2026-07-06</in-capmkt:DateOfOfTheSignatory><in-capmkt:PlaceOfOfTheSignatory contextRef="I_Signatories1">Chennai</in-capmkt:PlaceOfOfTheSignatory></xbrli:xbrl>
