<?xml version="1.0" encoding="UTF-8"?>
<!--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>2026-07-24</xbrli:startDate><xbrli:endDate>2026-07-24</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>2026-07-24</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>2026-07-24</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>2026-07-24</xbrli:startDate><xbrli:endDate>2026-07-24</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>2026-07-24</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>2026-07-24</xbrli:startDate><xbrli:endDate>2026-07-24</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:context id="I_ChangeInManagement3"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-07-24</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ChangeInManagementAxis"><in-capmkt:ChangeInManagementDomain>ChangeInManagementDomain3</in-capmkt:ChangeInManagementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_ChangeInManagement3"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-07-24</xbrli:startDate><xbrli:endDate>2026-07-24</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ChangeInManagementAxis"><in-capmkt:ChangeInManagementDomain>ChangeInManagementDomain3</in-capmkt:ChangeInManagementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_ChangeInManagement4"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-07-24</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ChangeInManagementAxis"><in-capmkt:ChangeInManagementDomain>ChangeInManagementDomain4</in-capmkt:ChangeInManagementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_ChangeInManagement4"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-07-24</xbrli:startDate><xbrli:endDate>2026-07-24</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ChangeInManagementAxis"><in-capmkt:ChangeInManagementDomain>ChangeInManagementDomain4</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">2026-07-24</in-capmkt:DateOfBoardMeeting><in-capmkt:StartTimeOfBoardMeeting contextRef="MainD">12:00:00</in-capmkt:StartTimeOfBoardMeeting><in-capmkt:EndTimeOfBoardMeeting contextRef="MainD">14:05:00</in-capmkt:EndTimeOfBoardMeeting><in-capmkt:NumberOfPersonsOrEntitiesForWhomChangeIsBeingReported contextRef="MainI" unitRef="pure" decimals="0">4</in-capmkt:NumberOfPersonsOrEntitiesForWhomChangeIsBeingReported><in-capmkt:DateOfReport contextRef="MainI">2026-07-24</in-capmkt:DateOfReport><in-capmkt:TypeOfChange contextRef="D_ChangeInManagement1">Appointment</in-capmkt:TypeOfChange><in-capmkt:CategoryForChange contextRef="D_ChangeInManagement1">Key Managerial Personnel</in-capmkt:CategoryForChange><in-capmkt:DesignationOfDesignatedPerson contextRef="D_ChangeInManagement1">Chief Executive Officer</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:SalutationOfDesignatedPerson contextRef="D_ChangeInManagement1">Mr.</in-capmkt:SalutationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="I_ChangeInManagement1">Amarendu Prakash</in-capmkt:NameOfDesignatedPerson><in-capmkt:EffectiveDateOfReasonOfChange contextRef="I_ChangeInManagement1">2026-08-01</in-capmkt:EffectiveDateOfReasonOfChange><in-capmkt:TermOfAppointmentInMonths contextRef="D_ChangeInManagement1" unitRef="pure" decimals="INF">36</in-capmkt:TermOfAppointmentInMonths><in-capmkt:BriefProfile contextRef="D_ChangeInManagement1">Mr. Amarendu Prakash is a distinguished leader with over three decades of experience in the steel industry, spanning operations, project execution, technology, and strategic management. As former Chairman &amp; Managing Director of SAIL, he was spearheading the Company's transformation agenda, driving capacity expansion, operational excellence, digitalization, and sustainability initiatives.

Prior to assuming the top role, he held several key leadership positions within SAIL, including Director (In-Charge) of Burnpur and Bokaro Steel Plants. A Metallurgical Engineer from BIT Sindri, he joined SAIL in 1991 and has since been instrumental in shaping the organization's growth and competitiveness.</in-capmkt:BriefProfile><in-capmkt:TypeOfChange contextRef="D_ChangeInManagement2">Others</in-capmkt:TypeOfChange><in-capmkt:DetailsOfOtherChange contextRef="D_ChangeInManagement2">Classification/designation of the following existing officials of the Company to Senior Management Personnel</in-capmkt:DetailsOfOtherChange><in-capmkt:CategoryForChange contextRef="D_ChangeInManagement2">Senior Management Personnel</in-capmkt:CategoryForChange><in-capmkt:DesignationOfDesignatedPerson contextRef="D_ChangeInManagement2">Chief Human Resources Officer</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:SalutationOfDesignatedPerson contextRef="D_ChangeInManagement2">Mr.</in-capmkt:SalutationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="I_ChangeInManagement2">Munish Vasudeva</in-capmkt:NameOfDesignatedPerson><in-capmkt:EffectiveDateOfReasonOfChange contextRef="I_ChangeInManagement2">2026-07-24</in-capmkt:EffectiveDateOfReasonOfChange><in-capmkt:TypeOfChange contextRef="D_ChangeInManagement3">Others</in-capmkt:TypeOfChange><in-capmkt:DetailsOfOtherChange contextRef="D_ChangeInManagement3">Classification/designation of the following existing officials of the Company to Senior Management Personnel</in-capmkt:DetailsOfOtherChange><in-capmkt:CategoryForChange contextRef="D_ChangeInManagement3">Senior Management Personnel</in-capmkt:CategoryForChange><in-capmkt:DesignationOfDesignatedPerson contextRef="D_ChangeInManagement3">Chief Operating Officer</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:SalutationOfDesignatedPerson contextRef="D_ChangeInManagement3">Mr.</in-capmkt:SalutationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="I_ChangeInManagement3">Kishor Kumar Sugumaran</in-capmkt:NameOfDesignatedPerson><in-capmkt:EffectiveDateOfReasonOfChange contextRef="I_ChangeInManagement3">2026-07-24</in-capmkt:EffectiveDateOfReasonOfChange><in-capmkt:TypeOfChange contextRef="D_ChangeInManagement4">Appointment</in-capmkt:TypeOfChange><in-capmkt:CategoryForChange contextRef="D_ChangeInManagement4">Director</in-capmkt:CategoryForChange><in-capmkt:DesignationOfDesignatedPerson contextRef="D_ChangeInManagement4">Executive Director</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:PositionOfDirectorInBoardTwo contextRef="D_ChangeInManagement4">Not Applicable</in-capmkt:PositionOfDirectorInBoardTwo><in-capmkt:PositionOfDirectorInBoardThree contextRef="D_ChangeInManagement4">WTD</in-capmkt:PositionOfDirectorInBoardThree><in-capmkt:SalutationOfDesignatedPerson contextRef="D_ChangeInManagement4">Mr.</in-capmkt:SalutationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="I_ChangeInManagement4">Amarendu Prakash</in-capmkt:NameOfDesignatedPerson><in-capmkt:EffectiveDateOfReasonOfChange contextRef="I_ChangeInManagement4">2026-08-01</in-capmkt:EffectiveDateOfReasonOfChange><in-capmkt:TermOfAppointmentInMonths contextRef="D_ChangeInManagement4" unitRef="pure" decimals="INF">36</in-capmkt:TermOfAppointmentInMonths><in-capmkt:BriefProfile contextRef="D_ChangeInManagement4">Mr. Amarendu Prakash is a distinguished leader with over three decades of experience in the steel industry, spanning operations, project execution, technology, and strategic management. As former Chairman &amp; Managing Director of SAIL, he was spearheading the Company's transformation agenda, driving capacity expansion, operational excellence, digitalization, and sustainability initiatives.

Prior to assuming the top role, he held several key leadership positions within SAIL, including Director (In-Charge) of Burnpur and Bokaro Steel Plants. A Metallurgical Engineer from BIT Sindri, he joined SAIL in 1991 and has since been instrumental in shaping the organization's growth and competitiveness.</in-capmkt:BriefProfile><in-capmkt:DisclosureOfRelationshipsBetweenDirectorsInCaseOfAppointmentOfDirector contextRef="D_ChangeInManagement4">Mr. Prakash is not related to any of the director.</in-capmkt:DisclosureOfRelationshipsBetweenDirectorsInCaseOfAppointmentOfDirector><in-capmkt:AffirmationThatThePersonProposedToBeAppointedAsDirectorIsNotDebarredFromHoldingTheOfficeByVirtueOfAnySEBIOrderOrAnyOtherAuthority contextRef="D_ChangeInManagement4">true</in-capmkt:AffirmationThatThePersonProposedToBeAppointedAsDirectorIsNotDebarredFromHoldingTheOfficeByVirtueOfAnySEBIOrderOrAnyOtherAuthority><in-capmkt:WhetherTheDirectorBeingAppointedIsDisqualifiedFromHoldingTheOfficeOfDirectorPursuantToProvisionsOfSection164OfTheCompaniesAct2013 contextRef="D_ChangeInManagement4">false</in-capmkt:WhetherTheDirectorBeingAppointedIsDisqualifiedFromHoldingTheOfficeOfDirectorPursuantToProvisionsOfSection164OfTheCompaniesAct2013></xbrli:xbrl>
