<?xml version="1.0" encoding="UTF-8"?>
<!--ANNAgreement V1.0 (10-04-2026)-->
<xbrli:xbrl xmlns:in-capmkt="https://www.sebi.gov.in/xbrl/2024-04-30/in-capmkt" xmlns:in-capmkt-ent="https://www.sebi.gov.in/xbrl/Announcement_For_Agreements/2024-04-30/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="https://www.sebi.gov.in/xbrl/Announcement_For_Agreements/2024-04-30/in-capmkt-roles" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:in-capmkt-type="https://www.sebi.gov.in/xbrl/2024-04-30/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.xbrl.org/2003/XLink"><link:schemaRef xlink:type="simple" xlink:href="in-capmkt-ent-2024-04-30.xsd"/><xbrli:context id="MainD"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">544187</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-09-30</xbrli:startDate><xbrli:endDate>2026-09-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">544187</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="D_PartiesOfTheAgreement1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">544187</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-09-30</xbrli:startDate><xbrli:endDate>2026-09-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:PartiesOfTheAgreementAxis"><in-capmkt:PartiesOfTheAgreementDomain>PartiesOfTheAgreementDomain1</in-capmkt:PartiesOfTheAgreementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_PartiesOfTheAgreement1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">544187</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-30</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:PartiesOfTheAgreementAxis"><in-capmkt:PartiesOfTheAgreementDomain>PartiesOfTheAgreementDomain1</in-capmkt:PartiesOfTheAgreementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><xbrli:unit id="shares"><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unit><in-capmkt:NameOfTheCompany contextRef="MainI">KRONOX LAB SCIENCES LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:NSESymbol contextRef="MainI">KRONOX</in-capmkt:NSESymbol><in-capmkt:TypeOfAnnouncement contextRef="MainI">New</in-capmkt:TypeOfAnnouncement><in-capmkt:TypeOfAgreement contextRef="MainI">Others</in-capmkt:TypeOfAgreement><in-capmkt:DetailsOfOtherTypeOfAnnouncement contextRef="MainI">Consultancy Agreement</in-capmkt:DetailsOfOtherTypeOfAnnouncement><in-capmkt:StageOfAgreement contextRef="MainI">Execution of agreement</in-capmkt:StageOfAgreement><in-capmkt:AgreementsEnteredIntoBy contextRef="MainD">Related Parties of the listed entity</in-capmkt:AgreementsEnteredIntoBy><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting contextRef="MainD">true</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting><in-capmkt:DateOfOccurrenceOfEvent contextRef="MainI">2026-09-29</in-capmkt:DateOfOccurrenceOfEvent><in-capmkt:TimeOfOccurrenceOfEvent contextRef="MainD">17:15:00</in-capmkt:TimeOfOccurrenceOfEvent><in-capmkt:WhetherTheListedEntityIsPartyToTheAgreement contextRef="MainD">true</in-capmkt:WhetherTheListedEntityIsPartyToTheAgreement><in-capmkt:DateOfReport contextRef="MainI">2026-09-30</in-capmkt:DateOfReport><in-capmkt:DetailsOfExecutionOfAgreement contextRef="MainI">Consultany Agreement with outgoing Promoters</in-capmkt:DetailsOfExecutionOfAgreement><in-capmkt:DateOfBoardOrCommitteeMeetingApprovingTheAgreement contextRef="MainI">2026-09-29</in-capmkt:DateOfBoardOrCommitteeMeetingApprovingTheAgreement><in-capmkt:WhetherProposedOrExecutedAgreementIsInNormalCourseOfBusiness contextRef="MainI">true</in-capmkt:WhetherProposedOrExecutedAgreementIsInNormalCourseOfBusiness><in-capmkt:ImpactOfAgreementOnManagementAndControlOfTheListedEntity contextRef="MainI">There will no No Impact on Management Control of the Listed Entity</in-capmkt:ImpactOfAgreementOnManagementAndControlOfTheListedEntity><in-capmkt:NumberOfPartiesToTheAgreement contextRef="MainI" unitRef="pure" decimals="0">1</in-capmkt:NumberOfPartiesToTheAgreement><in-capmkt:NameOfPartiesOrCounterPartiesOfTheAgreement contextRef="D_PartiesOfTheAgreement1">Pritesh Ramani</in-capmkt:NameOfPartiesOrCounterPartiesOfTheAgreement><in-capmkt:NatureOfThePartiesOfTheAgreement contextRef="I_PartiesOfTheAgreement1">Party entering into the agreement</in-capmkt:NatureOfThePartiesOfTheAgreement><in-capmkt:DetailsOfShareholdingInTheEntityWithWhomTheAgreementIsExecuted contextRef="I_PartiesOfTheAgreement1">Yes</in-capmkt:DetailsOfShareholdingInTheEntityWithWhomTheAgreementIsExecuted><in-capmkt:NumberOfSharesOfPartyOfTheAgreement contextRef="I_PartiesOfTheAgreement1" unitRef="shares" decimals="INF">1230000</in-capmkt:NumberOfSharesOfPartyOfTheAgreement><in-capmkt:PercentageOfShareholdingOfPartyOfTheAgreement contextRef="I_PartiesOfTheAgreement1" unitRef="pure" decimals="INF">0.0331</in-capmkt:PercentageOfShareholdingOfPartyOfTheAgreement><in-capmkt:WhetherThePartiesToTheAgreementAreRelatedToPromoterOrPromoterGroupOrAssociateOrHoldingOrSubsidiaryOrGroupCompaniesOrDirectorOrKMPAndItsRelativesInAnyManner contextRef="I_PartiesOfTheAgreement1">true</in-capmkt:WhetherThePartiesToTheAgreementAreRelatedToPromoterOrPromoterGroupOrAssociateOrHoldingOrSubsidiaryOrGroupCompaniesOrDirectorOrKMPAndItsRelativesInAnyManner><in-capmkt:NatureOfRelationshipOfTheAgreement contextRef="I_PartiesOfTheAgreement1">They are Promoters selling substantial holding vide SPA Dated 20th August, 2026</in-capmkt:NatureOfRelationshipOfTheAgreement><in-capmkt:WhetherTheAgreementWouldFallWithinRelatedPartyTransactions contextRef="MainI">true</in-capmkt:WhetherTheAgreementWouldFallWithinRelatedPartyTransactions><in-capmkt:WhetherTheAgreementIsDoneAtArmsLength contextRef="MainI">true</in-capmkt:WhetherTheAgreementIsDoneAtArmsLength><in-capmkt:DateOnWhichAgreementWasEntered contextRef="MainI">2026-09-29</in-capmkt:DateOnWhichAgreementWasEntered><in-capmkt:PurposeOfEnteringIntoTheAgreement contextRef="MainI">transition
support consultancy services in relation to
research and development, production,
quality assurance, quality control and
special projects (including capital
expenditure for existing units and the
proposed manufacturing facility at GIDC,
Dahej-II).</in-capmkt:PurposeOfEnteringIntoTheAgreement><in-capmkt:SignificantTermsOfTheAgreementInBriefSpecialRightsLikeRightToAppointDirectorsOrFirstRightToShareSubscriptionInCaseOfIssuanceOfSharesOrRightToRestrictAnyChangeInCapitalStructure contextRef="MainI">There are no other significant terms in the
Consultancy Agreement.</in-capmkt:SignificantTermsOfTheAgreementInBriefSpecialRightsLikeRightToAppointDirectorsOrFirstRightToShareSubscriptionInCaseOfIssuanceOfSharesOrRightToRestrictAnyChangeInCapitalStructure><in-capmkt:WhetherThereIsAnyIssuanceOrTransferOfSharesToTheParties contextRef="MainI">false</in-capmkt:WhetherThereIsAnyIssuanceOrTransferOfSharesToTheParties><in-capmkt:DetailsAndQuantificationOfTheRestrictionOrLiabilityImposedUponTheListedEntity contextRef="MainD">No</in-capmkt:DetailsAndQuantificationOfTheRestrictionOrLiabilityImposedUponTheListedEntity></xbrli:xbrl>
