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<xbrli:xbrl xmlns:in-capmkt="https://www.sebi.gov.in/xbrl/2024-05-31/in-capmkt" xmlns:in-capmkt-ent="https://www.sebi.gov.in/xbrl/Notice_Of_Shareholders_Meeting/2024-05-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="https://www.sebi.gov.in/xbrl/Notice_Of_Shareholders_Meeting/2024-05-31/in-capmkt-roles" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" 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.xbrl.org/2003/XLink"><link:schemaRef xlink:type="simple" xlink:href="in-capmkt-ent-2024-05-31.xsd"/><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>2026-09-16</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="D_DetailofResolution1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-09-16</xbrli:startDate><xbrli:endDate>2026-09-16</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain1</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_DetailofResolution1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-16</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain1</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_DetailofResolution2"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-09-16</xbrli:startDate><xbrli:endDate>2026-09-16</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain2</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_DetailofResolution2"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500188</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-16</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain2</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><in-capmkt:NameOfTheCompany contextRef="MainI">Hindustan Zinc Limited</in-capmkt:NameOfTheCompany><in-capmkt:NSESymbol contextRef="MainI">HINDZINC</in-capmkt:NSESymbol><in-capmkt:TypeOfAnnouncement contextRef="MainI">New</in-capmkt:TypeOfAnnouncement><in-capmkt:DateOfOccurrenceOfEvent contextRef="MainI">2026-09-16</in-capmkt:DateOfOccurrenceOfEvent><in-capmkt:TimeOfOccurrenceOfEvent contextRef="MainI">12:25:00</in-capmkt:TimeOfOccurrenceOfEvent><in-capmkt:DateOfReport contextRef="MainI">2026-09-16</in-capmkt:DateOfReport><in-capmkt:EventForNoticeOfShareholdersMeeting contextRef="MainI">Postal Ballot</in-capmkt:EventForNoticeOfShareholdersMeeting><in-capmkt:ModeOfShareholdersMeeting contextRef="MainI">Postal Ballot</in-capmkt:ModeOfShareholdersMeeting><in-capmkt:NumberOfShareholdersMeeting contextRef="MainI">2</in-capmkt:NumberOfShareholdersMeeting><in-capmkt:DayOfShareholdersMeeting contextRef="MainI">Thursday</in-capmkt:DayOfShareholdersMeeting><in-capmkt:DateOfShareholdersMeeting contextRef="MainI">2026-09-17</in-capmkt:DateOfShareholdersMeeting><in-capmkt:ShareholdersMeetingCommencementTime contextRef="MainI">09:00:00</in-capmkt:ShareholdersMeetingCommencementTime><in-capmkt:PlaceOfShareholdersMeeting contextRef="MainI">Postal Ballot</in-capmkt:PlaceOfShareholdersMeeting><in-capmkt:EndDateOfPostalBallotVoting contextRef="MainI">2026-10-16</in-capmkt:EndDateOfPostalBallotVoting><in-capmkt:NumberOfAgendaOrBusinessToBeTransacted contextRef="MainI" unitRef="pure" decimals="0">2</in-capmkt:NumberOfAgendaOrBusinessToBeTransacted><in-capmkt:RemarksForWebsiteDisseminationForShareholdersMeeting contextRef="MainI">Dr. Yogesh attray has been appointed as an Independent Director of the Company for a term of three (3) years from the date of notification of Ministry of Mines, Government of India for his appointment i.e. August 14, 2026 or until further orders of the Ministry of Mines, Government of India, whichever is earlier.</in-capmkt:RemarksForWebsiteDisseminationForShareholdersMeeting><in-capmkt:TypeOfResolution contextRef="I_DetailofResolution1">Ordinary Resolution</in-capmkt:TypeOfResolution><in-capmkt:CategoryOfResolution contextRef="I_DetailofResolution1">Appointment/Re-appointment/Removal/Ratification/Retirement/Remuneration</in-capmkt:CategoryOfResolution><in-capmkt:SubCategoryOfResolution contextRef="I_DetailofResolution1">Appointment</in-capmkt:SubCategoryOfResolution><in-capmkt:BriefDetailsOfResolution contextRef="D_DetailofResolution1">To consider and approve the Appointment of Mr. Amarendu Prakash (DIN: 08896653) as a Director and Whole-time Director designated as Chief Executive Officer of the Company for a period of 3 years with effect from August 01, 2026</in-capmkt:BriefDetailsOfResolution><in-capmkt:DesignationOfDesignatedPerson contextRef="I_DetailofResolution1">Executive Director</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="D_DetailofResolution1">Mr. Amarendu Prakash</in-capmkt:NameOfDesignatedPerson><in-capmkt:DirectorIdentificationNumberOfDirector contextRef="D_DetailofResolution1">08896653</in-capmkt:DirectorIdentificationNumberOfDirector><in-capmkt:DateOfStartOfTenure contextRef="D_DetailofResolution1">2026-08-01</in-capmkt:DateOfStartOfTenure><in-capmkt:DateOfEndOfTenure contextRef="D_DetailofResolution1">2029-07-31</in-capmkt:DateOfEndOfTenure><in-capmkt:NumberOfTimesAppointed contextRef="D_DetailofResolution1" unitRef="pure" decimals="0">1</in-capmkt:NumberOfTimesAppointed><in-capmkt:TypeOfResolution contextRef="I_DetailofResolution2">Special Resolution</in-capmkt:TypeOfResolution><in-capmkt:CategoryOfResolution contextRef="I_DetailofResolution2">Appointment/Re-appointment/Removal/Ratification/Retirement/Remuneration</in-capmkt:CategoryOfResolution><in-capmkt:SubCategoryOfResolution contextRef="I_DetailofResolution2">Appointment</in-capmkt:SubCategoryOfResolution><in-capmkt:BriefDetailsOfResolution contextRef="D_DetailofResolution2">To consider and approve the appointment of Dr. Yogesh Attray (DIN: 07654847) as an Independent Director of the Company</in-capmkt:BriefDetailsOfResolution><in-capmkt:DesignationOfDesignatedPerson contextRef="I_DetailofResolution2">Non-Executive - Independent Director</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="D_DetailofResolution2">Dr. Yogesh Attray</in-capmkt:NameOfDesignatedPerson><in-capmkt:DirectorIdentificationNumberOfDirector contextRef="D_DetailofResolution2">07654847</in-capmkt:DirectorIdentificationNumberOfDirector><in-capmkt:DateOfStartOfTenure contextRef="D_DetailofResolution2">2026-08-14</in-capmkt:DateOfStartOfTenure><in-capmkt:DateOfEndOfTenure contextRef="D_DetailofResolution2">2029-08-13</in-capmkt:DateOfEndOfTenure><in-capmkt:NumberOfTimesAppointed contextRef="D_DetailofResolution2" unitRef="pure" decimals="0">1</in-capmkt:NumberOfTimesAppointed></xbrli:xbrl>
