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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">500770</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-07-27</xbrli:startDate><xbrli:endDate>2026-07-27</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500770</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-07-27</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_ChangeInManagement1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500770</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-07-27</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">500770</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-07-27</xbrli:startDate><xbrli:endDate>2026-07-27</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">TATACHEM</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">TATA CHEMICALS LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">500770</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE092A01019</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">2026-07-27</in-capmkt:DateOfBoardMeeting><in-capmkt:StartTimeOfBoardMeeting contextRef="MainD">14:00:00</in-capmkt:StartTimeOfBoardMeeting><in-capmkt:EndTimeOfBoardMeeting contextRef="MainD">16:10:00</in-capmkt:EndTimeOfBoardMeeting><in-capmkt:NumberOfPersonsOrEntitiesForWhomChangeIsBeingReported contextRef="MainI" unitRef="pure" decimals="0">1</in-capmkt:NumberOfPersonsOrEntitiesForWhomChangeIsBeingReported><in-capmkt:RemarksForWebsiteDissemination contextRef="MainI">The effective date for appointment of Statutory Auditors has been stated as 01-04-2027 in the XBRL to enable validation. Notwithstanding the same, the auditor's appointment will take effect from the date of conclusion of the Company's 88th AGM, which is yet to be finalized.
 </in-capmkt:RemarksForWebsiteDissemination><in-capmkt:DateOfReport contextRef="MainI">2026-07-27</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">Statutory Auditor</in-capmkt:DesignationOfDesignatedPerson><in-capmkt:SalutationOfDesignatedPerson contextRef="D_ChangeInManagement1">M/s.</in-capmkt:SalutationOfDesignatedPerson><in-capmkt:NameOfDesignatedPerson contextRef="I_ChangeInManagement1">S R B C &amp; CO. LLP</in-capmkt:NameOfDesignatedPerson><in-capmkt:EffectiveDateOfReasonOfChange contextRef="I_ChangeInManagement1">2027-04-01</in-capmkt:EffectiveDateOfReasonOfChange><in-capmkt:TermOfAppointmentInMonths contextRef="D_ChangeInManagement1" unitRef="pure" decimals="INF">60</in-capmkt:TermOfAppointmentInMonths><in-capmkt:BriefProfile contextRef="D_ChangeInManagement1">S R B C &amp; CO LLP (‘the Firm’) is a limited liability partnership firm incorporated in India and is a firm of Chartered Accountants registered with the Institute of Chartered Accountants of India (‘ICAI’) with (ICAI Firm Registration No. 324982E/E300003). The Firm is part of S. R. Batliboi &amp; Affiliates, a network of firms registered with the ICAI. Established in 2002, the Firm has its registered office in Kolkata and has offices across key cities in India. The Firm has a valid Peer Review certificate. All the network firms, including the Firm, are primarily engaged in providing audit and assurance services to its clients. They, along with their network firms audit several large listed and private companies across diverse market segments including Industrial, Infrastructure, Consumer Products, Financial Services, Technology, Media and Entertainment, Telecommunications and Professional Services.</in-capmkt:BriefProfile><in-capmkt:WhetherTheStatutoryAuditorOrSecretarialAuditorHoldsAValidCertificateIssuedByThePeerReviewBoardOfInstituteOfCharteredAccountantsOfIndiaOrInstituteOfCompanySecretariesOfIndia contextRef="D_ChangeInManagement1">true</in-capmkt:WhetherTheStatutoryAuditorOrSecretarialAuditorHoldsAValidCertificateIssuedByThePeerReviewBoardOfInstituteOfCharteredAccountantsOfIndiaOrInstituteOfCompanySecretariesOfIndia></xbrli:xbrl>