<?xml version="1.0" encoding="UTF-8" standalone="no"?><xbrli:xbrl xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:in-capmkt="https://www.sebi.gov.in/xbrl/2022-12-31/in-capmkt" xmlns:in-capmkt-ent="https://www.sebi.gov.in/xbrl/Regulation_30_Restructuring/2022-12-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="https://www.sebi.gov.in/xbrl/Regulation_30_Restructuring/2022-12-31/in-capmkt-roles" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:net="http://www.xbrl.org/2009/role/net" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:xlink="http://www.w3.org/1999/xlink"><link:schemaRef xlink:href="in-capmkt-ent-2022-12-31.xsd" xlink:type="simple"/><xbrli:context id="OneI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ISIN">500770</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-15</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="OneD"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ISIN">500770</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-15</xbrli:startDate><xbrli:endDate>2026-04-15</xbrli:endDate></xbrli:period></xbrli:context><in-capmkt:NameOfTheCompany contextRef="OneI">TATA CHEMICALS LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:NSESymbol contextRef="OneI">TATACHEM</in-capmkt:NSESymbol><in-capmkt:TypeOfAnnouncementPertainingToRegulation30Restructuring contextRef="OneD">New</in-capmkt:TypeOfAnnouncementPertainingToRegulation30Restructuring><in-capmkt:EventOfAnnouncementPertainingToRegulation30Restructuring contextRef="OneD">Sale or disposal of unit(s)/division(s)/subsidiary</in-capmkt:EventOfAnnouncementPertainingToRegulation30Restructuring><in-capmkt:DateOfEventOfAnnouncementPertainingToRegulation30Restructuring contextRef="OneI">2026-04-14</in-capmkt:DateOfEventOfAnnouncementPertainingToRegulation30Restructuring><in-capmkt:RemarksForWebsiteDissemination contextRef="OneI">There has been no agreement for sale entered into by the Company. Cheshire Salt Holdings Limited and New Cheshire Salt Works Limited, wholly owned subsidiaries of the Company are dissolved from the Companies House, UK effective April 14, 2026. Since the option for selecting Not Applicable is not available for date of agreement of sale, the Company has mentioned the date of dissolution of the entities i.e. April 14, 2026.</in-capmkt:RemarksForWebsiteDissemination><in-capmkt:DateOfReport contextRef="OneI">2026-04-15</in-capmkt:DateOfReport><in-capmkt:DateOnWhichTheAgreementForSaleHasBeenEnteredInto contextRef="OneI">2026-04-14</in-capmkt:DateOnWhichTheAgreementForSaleHasBeenEnteredInto><in-capmkt:TheExpectedDateOfCompletionOfSaleOrDisposal contextRef="OneI">2026-04-14</in-capmkt:TheExpectedDateOfCompletionOfSaleOrDisposal><in-capmkt:NatureOfConsiderationForSaleOrDisposal contextRef="OneD">Others</in-capmkt:NatureOfConsiderationForSaleOrDisposal><in-capmkt:DetailsOfConsiderationForSaleOrDisposal contextRef="OneI">Not Applicable</in-capmkt:DetailsOfConsiderationForSaleOrDisposal><in-capmkt:BriefDetailsOfBuyers contextRef="OneI">Not Applicable</in-capmkt:BriefDetailsOfBuyers><in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupOrAssociateOrHoldingOrSubsidiaryCompaniesOrDirectorAndKMPAndItsRelativesHaveAnyInterestInTheEntityBeingSaleOrDisposed contextRef="OneD">false</in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupOrAssociateOrHoldingOrSubsidiaryCompaniesOrDirectorAndKMPAndItsRelativesHaveAnyInterestInTheEntityBeingSaleOrDisposed><in-capmkt:WhetherSaleOrDisposalWouldFallWithinRelatedPartyTransactions contextRef="OneD">false</in-capmkt:WhetherSaleOrDisposalWouldFallWithinRelatedPartyTransactions><in-capmkt:WhetherSaleOrDisposalEventRPTIsMaterial contextRef="OneD">false</in-capmkt:WhetherSaleOrDisposalEventRPTIsMaterial><in-capmkt:WhetherSaleOrDisposalEventIsDoneAtArmsLength contextRef="OneD">false</in-capmkt:WhetherSaleOrDisposalEventIsDoneAtArmsLength><in-capmkt:AnyOtherBriefSignificantInformationForSaleOrDisposal contextRef="OneI">Cheshire Salt Holdings Limited and New Cheshire Salt Works Limited, wholly owned subsidiaries of the Company had made an application for voluntarily strike-off and the said entities are dissolved from the Companies House, UK effective April 14, 2026. Accordingly, Cheshire Salt Holdings Limited and New Cheshire Salt Works Limited have ceased to be wholly-owned subsidiaries of the Company. These changes will result in simplification of the group holding structure without any change in the ultimate ownership of the Company over its UK holding and operating subsidiaries.</in-capmkt:AnyOtherBriefSignificantInformationForSaleOrDisposal></xbrli:xbrl>