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<!--CIMG V1.1 (21-04-2026)-->
<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">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-30</xbrli:startDate><xbrli:endDate>2026-04-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_ChangeInManagement1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-30</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">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-30</xbrli:startDate><xbrli:endDate>2026-04-30</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:context id="I_ChangeInManagement2"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-30</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ChangeInManagementAxis"><in-capmkt:ChangeInManagementDomain>ChangeInManagementDomain2</in-capmkt:ChangeInManagementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_ChangeInManagement2"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-30</xbrli:startDate><xbrli:endDate>2026-04-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ChangeInManagementAxis"><in-capmkt:ChangeInManagementDomain>ChangeInManagementDomain2</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">HINDZINC</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">HINDUSTAN ZINC LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">500188</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NA</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE267A01025</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">true</in-capmkt:WhetherEventOrInformationIsAnOutcomeOfBoardMeeting><in-capmkt:DateOfBoardMeeting contextRef="MainD">2026-04-30</in-capmkt:DateOfBoardMeeting><in-capmkt:StartTimeOfBoardMeeting contextRef="MainD">10:35:00</in-capmkt:StartTimeOfBoardMeeting><in-capmkt:EndTimeOfBoardMeeting contextRef="MainD">11:50:00</in-capmkt:EndTimeOfBoardMeeting><in-capmkt:NumberOfPersonsOrEntitiesForWhomChangeIsBeingReported contextRef="MainI" unitRef="pure" decimals="0">2</in-capmkt:NumberOfPersonsOrEntitiesForWhomChangeIsBeingReported><in-capmkt:RemarksForWebsiteDissemination contextRef="MainI">The Board of Directors of the Company, through a resolution passed by circulation on Thursday, April 30, 2026, at 11.50 AM IST, has approved the appointment of Dr Aruna Sharma (DIN: 06515361)</in-capmkt:RemarksForWebsiteDissemination><in-capmkt:DateOfReport contextRef="MainI">2026-04-30</in-capmkt:DateOfReport><in-capmkt:TypeOfChange contextRef="D_ChangeInManagement1">Cessation</in-capmkt:TypeOfChange><in-capmkt:CategoryOfCessation contextRef="D_ChangeInManagement1">Resignation</in-capmkt:CategoryOfCessation><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">Ms.</in-capmkt:SalutationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="I_ChangeInManagement1">Pallavi Joshi Bakhru</in-capmkt:NameOfDesignatedPerson><in-capmkt:EffectiveDateOfReasonOfChange contextRef="I_ChangeInManagement1">2026-04-30</in-capmkt:EffectiveDateOfReasonOfChange><in-capmkt:WhetherTheFurtherDisclosureForResignationOfStatutoryAuditorOrDirectorOrKMPsOrSMPOrComplianceOfficerIsToBeFiledAlongWithThisDisclosure contextRef="D_ChangeInManagement1">false</in-capmkt:WhetherTheFurtherDisclosureForResignationOfStatutoryAuditorOrDirectorOrKMPsOrSMPOrComplianceOfficerIsToBeFiledAlongWithThisDisclosure><in-capmkt:TypeOfChange contextRef="D_ChangeInManagement2">Appointment</in-capmkt:TypeOfChange><in-capmkt:CategoryForChange contextRef="D_ChangeInManagement2">Director</in-capmkt:CategoryForChange><in-capmkt:DesignationOfDesignatedPerson contextRef="D_ChangeInManagement2">Non - Executive Independent Director</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:PositionOfDirectorInBoardTwo contextRef="D_ChangeInManagement2">Not Applicable</in-capmkt:PositionOfDirectorInBoardTwo><in-capmkt:PositionOfDirectorInBoardThree contextRef="D_ChangeInManagement2">Not Applicable</in-capmkt:PositionOfDirectorInBoardThree><in-capmkt:SalutationOfDesignatedPerson contextRef="D_ChangeInManagement2">Ms.</in-capmkt:SalutationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="I_ChangeInManagement2">Dr Aruna Sharma</in-capmkt:NameOfDesignatedPerson><in-capmkt:EffectiveDateOfReasonOfChange contextRef="I_ChangeInManagement2">2026-05-01</in-capmkt:EffectiveDateOfReasonOfChange><in-capmkt:TermOfAppointmentInMonths contextRef="D_ChangeInManagement2" unitRef="pure" decimals="INF">12</in-capmkt:TermOfAppointmentInMonths><in-capmkt:BriefProfile contextRef="D_ChangeInManagement2">Dr Aruna Sharma is a retired Indian Administrative Service (IAS) officer from the 1982 Madhya Pradesh cadre, with over 35 years of experience in public administration, economic policy, and industrial development.

She served as Secretary, Ministry of Steel, where she played a key role in shaping policy for the steel sector, driving capacity expansion, raw material linkages, and industry competitiveness. Over her career, she held several senior positions across the Government of India and state government, including roles in finance, IT, rural development, and infrastructure, contributing to policy formulation, governance reforms, and largescale program execution.

She has also served as a board member on various public sector undertakings (PSUs) and governmentlinked institutions in her official capacity, particularly in sectors such as metals, mining, and infrastructure. Postretirement, she has been engaged in advisory roles, former board member of JSPL, bringing expertise in industrial policy, governance, and digital transformation.</in-capmkt:BriefProfile><in-capmkt:DisclosureOfRelationshipsBetweenDirectorsInCaseOfAppointmentOfDirector contextRef="D_ChangeInManagement2">Dr Aruna Sharma is not related to any of the Directors of the Company.</in-capmkt:DisclosureOfRelationshipsBetweenDirectorsInCaseOfAppointmentOfDirector><in-capmkt:AffirmationThatThePersonProposedToBeAppointedAsDirectorIsNotDebarredFromHoldingTheOfficeByVirtueOfAnySEBIOrderOrAnyOtherAuthority contextRef="D_ChangeInManagement2">true</in-capmkt:AffirmationThatThePersonProposedToBeAppointedAsDirectorIsNotDebarredFromHoldingTheOfficeByVirtueOfAnySEBIOrderOrAnyOtherAuthority><in-capmkt:WhetherTheDirectorBeingAppointedIsDisqualifiedFromHoldingTheOfficeOfDirectorPursuantToProvisionsOfSection164OfTheCompaniesAct2013 contextRef="D_ChangeInManagement2">false</in-capmkt:WhetherTheDirectorBeingAppointedIsDisqualifiedFromHoldingTheOfficeOfDirectorPursuantToProvisionsOfSection164OfTheCompaniesAct2013></xbrli:xbrl>
