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<xbrli:xbrl xmlns:in-capmkt="http://www.sebi.gov.in/xbrl/2025-11-30/in-capmkt" xmlns:in-capmkt-ent="http://www.sebi.gov.in/xbrl/Changes_In_Management/2025-11-30/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/2025-11-30/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-2025-11-30.xsd"/><xbrli:context id="MainD"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">530965</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-08-15</xbrli:startDate><xbrli:endDate>2026-08-15</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">530965</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-08-15</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_ChangeInManagement1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">530965</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-08-15</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ChangeInManagementAxis"><in-capmkt:ChangeInManagementDomain>ChangeInManagementDomain1</in-capmkt:ChangeInManagementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_ChangeInManagement1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">530965</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-08-15</xbrli:startDate><xbrli:endDate>2026-08-15</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ChangeInManagementAxis"><in-capmkt:ChangeInManagementDomain>ChangeInManagementDomain1</in-capmkt:ChangeInManagementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><in-capmkt:NSESymbol contextRef="MainI">IOC</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">INDIAN OIL CORPORATION LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">530965</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE242A01010</in-capmkt:ISIN><in-capmkt:WhetherDisclosureFiledForListedEntity contextRef="MainD">true</in-capmkt:WhetherDisclosureFiledForListedEntity><in-capmkt:RelationshipWithTheListedEntity contextRef="MainD">Listed Entity (self)</in-capmkt:RelationshipWithTheListedEntity><in-capmkt:WhetherEventOrInformationIsAnOutcomeOfBoardMeeting contextRef="MainD">false</in-capmkt:WhetherEventOrInformationIsAnOutcomeOfBoardMeeting><in-capmkt:DateOfOccurrenceOfEventOrInformation contextRef="MainD">2026-08-15</in-capmkt:DateOfOccurrenceOfEventOrInformation><in-capmkt:TimeOfOccurrenceOfEventOrInformation contextRef="MainD">14:00:00</in-capmkt:TimeOfOccurrenceOfEventOrInformation><in-capmkt:NumberOfPersonsOrEntitiesForWhomChangeIsBeingReported contextRef="MainI" unitRef="pure" decimals="0">1</in-capmkt:NumberOfPersonsOrEntitiesForWhomChangeIsBeingReported><in-capmkt:DateOfReport contextRef="MainI">2026-08-15</in-capmkt:DateOfReport><in-capmkt:TypeOfChange contextRef="D_ChangeInManagement1">Appointment</in-capmkt:TypeOfChange><in-capmkt:CategoryForChange contextRef="D_ChangeInManagement1">Director</in-capmkt:CategoryForChange><in-capmkt:DesignationOfDesignatedPerson contextRef="D_ChangeInManagement1">Non - Executive Independent Director</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:PositionOfDirectorInBoardTwo contextRef="D_ChangeInManagement1">Not Applicable</in-capmkt:PositionOfDirectorInBoardTwo><in-capmkt:PositionOfDirectorInBoardThree contextRef="D_ChangeInManagement1">Not Applicable</in-capmkt:PositionOfDirectorInBoardThree><in-capmkt:SalutationOfDesignatedPerson contextRef="D_ChangeInManagement1">Mrs.</in-capmkt:SalutationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="I_ChangeInManagement1">Alka Mundra</in-capmkt:NameOfDesignatedPerson><in-capmkt:EffectiveDateOfReasonOfChange contextRef="I_ChangeInManagement1">2026-08-15</in-capmkt:EffectiveDateOfReasonOfChange><in-capmkt:TermOfAppointmentInMonths contextRef="D_ChangeInManagement1" unitRef="pure" decimals="INF">36</in-capmkt:TermOfAppointmentInMonths><in-capmkt:BriefProfile contextRef="D_ChangeInManagement1">Dr. Alka Mundra, aged 52 years, is an accomplished academic and professional with a multidisciplinary background spanning Political Science, Law, Public Policy, Governance and Social Development. She holds a Master’s Degree in Political Science from the University of Rajasthan, Jaipur, an LL.B. from Vidyapeeth, Udaipur, and a Ph.D. in Political Science from Mohanlal Sukhadia University, Udaipur. 

With extensive experience in education, social development, public policy and legal studies, Dr. Mundra brings a multidisciplinary perspective to issues relating to governance, public administration, social empowerment and community development. Her academic background and professional engagement have enabled her to develop a strong understanding of the interaction between law, public institutions, society and policy-making.

Dr. Mundra is also actively associated with initiatives relating to women’s empowerment and social development. Her multidisciplinary academic and professional exposure enables her to bring valuable perspectives on inclusive development, stakeholder engagement, social issues and the functioning of public institutions.</in-capmkt:BriefProfile><in-capmkt:DisclosureOfRelationshipsBetweenDirectorsInCaseOfAppointmentOfDirector contextRef="D_ChangeInManagement1">It is confirmed that Smt. Alka Mundra is not related to any other Director of the Company.</in-capmkt:DisclosureOfRelationshipsBetweenDirectorsInCaseOfAppointmentOfDirector><in-capmkt:AffirmationThatThePersonProposedToBeAppointedAsDirectorIsNotDebarredFromHoldingTheOfficeByVirtueOfAnySEBIOrderOrAnyOtherAuthority contextRef="D_ChangeInManagement1">true</in-capmkt:AffirmationThatThePersonProposedToBeAppointedAsDirectorIsNotDebarredFromHoldingTheOfficeByVirtueOfAnySEBIOrderOrAnyOtherAuthority><in-capmkt:WhetherTheDirectorBeingAppointedIsDisqualifiedFromHoldingTheOfficeOfDirectorPursuantToProvisionsOfSection164OfTheCompaniesAct2013 contextRef="D_ChangeInManagement1">false</in-capmkt:WhetherTheDirectorBeingAppointedIsDisqualifiedFromHoldingTheOfficeOfDirectorPursuantToProvisionsOfSection164OfTheCompaniesAct2013></xbrli:xbrl>
