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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">509635</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-07-23</xbrli:startDate><xbrli:endDate>2026-07-23</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">509635</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-07-23</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_ChangeInManagement1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">509635</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-07-23</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">509635</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-07-23</xbrli:startDate><xbrli:endDate>2026-07-23</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">HINDCOMPOS</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">HINDUSTAN COMPOSITES LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">509635</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE310C01029</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">2026-07-23</in-capmkt:DateOfBoardMeeting><in-capmkt:StartTimeOfBoardMeeting contextRef="MainD">15:30:00</in-capmkt:StartTimeOfBoardMeeting><in-capmkt:EndTimeOfBoardMeeting contextRef="MainD">17:55:00</in-capmkt:EndTimeOfBoardMeeting><in-capmkt:NumberOfPersonsOrEntitiesForWhomChangeIsBeingReported contextRef="MainI" unitRef="pure" decimals="0">1</in-capmkt:NumberOfPersonsOrEntitiesForWhomChangeIsBeingReported><in-capmkt:RemarksForWebsiteDissemination contextRef="MainI">M/s. R M Mimani &amp; Associates LLP (Firm Registration No. - L2015MH008300), Peer Reviewed Firm of Company Secretaries in Practice are recommended to be appointed as Secretarial Auditors of the Company in the Board meeting held on 23rd July, 2026 to conduct Secretarial Audit and provide Annual Secretarial Compliance Report, for a term of 5 (five) consecutive years with effect from financial year 2026-27 till financial year 2030-31, at the ensuing 62nd Annual General Meeting of the Company to be held on 29th September, 2026.</in-capmkt:RemarksForWebsiteDissemination><in-capmkt:DateOfReport contextRef="MainI">2026-07-23</in-capmkt:DateOfReport><in-capmkt:TypeOfChange contextRef="D_ChangeInManagement1">Appointment</in-capmkt:TypeOfChange><in-capmkt:CategoryForChange contextRef="D_ChangeInManagement1">Auditors</in-capmkt:CategoryForChange><in-capmkt:DesignationOfDesignatedPerson contextRef="D_ChangeInManagement1">Secretarial Auditor</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:SalutationOfDesignatedPerson contextRef="D_ChangeInManagement1">M/s.</in-capmkt:SalutationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="I_ChangeInManagement1">R M Mimani &amp; Associates LLP</in-capmkt:NameOfDesignatedPerson><in-capmkt:EffectiveDateOfReasonOfChange contextRef="I_ChangeInManagement1">2026-09-29</in-capmkt:EffectiveDateOfReasonOfChange><in-capmkt:TermOfAppointmentInMonths contextRef="D_ChangeInManagement1" unitRef="pure" decimals="INF">60</in-capmkt:TermOfAppointmentInMonths><in-capmkt:BriefProfile contextRef="D_ChangeInManagement1">M/s. R M Mimani &amp; Associates LLP  is a reputed firm of Company Secretaries in Practice with 25 years of excellence and have a track record of providing professional services in the field of Comprehensive Compliance &amp; Regulatory Services seamlessly managing the complex requirements of MCA, RBI, SEBI, and stock exchanges, Secretarial Audit &amp; Compliance Assurance Services, Fundraising &amp; Integrated Listing Compliance, IPO Readiness, Pre &amp; Post Listing Compliance, Corporate Restructuring, Mergers &amp; Demergers and Corporate Advisory and Legal Opinions etc. M/s. R M Mimani &amp; Associates LLP is registered with the Institute of Company Secretaries of India (ICSI) vide Firm Registration No. - L2015MH008300 and is a Peer Reviewed Firm and holds a valid peer review certificate issued by the Peer Review Board of ICSI vide Certificate No.: 7602/2026.</in-capmkt:BriefProfile><in-capmkt:WhetherTheStatutoryAuditorOrSecretarialAuditorHoldsAValidCertificateIssuedByThePeerReviewBoardOfInstituteOfCharteredAccountantsOfIndiaOrInstituteOfCompanySecretariesOfIndia contextRef="D_ChangeInManagement1">true</in-capmkt:WhetherTheStatutoryAuditorOrSecretarialAuditorHoldsAValidCertificateIssuedByThePeerReviewBoardOfInstituteOfCharteredAccountantsOfIndiaOrInstituteOfCompanySecretariesOfIndia></xbrli:xbrl>
