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<!--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">543227</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-08-31</xbrli:startDate><xbrli:endDate>2026-08-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">543227</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-08-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="D_PartiesOfTheAgreement1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">543227</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-08-31</xbrli:startDate><xbrli:endDate>2026-08-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember 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scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">543227</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-08-31</xbrli:startDate><xbrli:endDate>2026-08-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:PartiesOfTheAgreementAxis"><in-capmkt:PartiesOfTheAgreementDomain>PartiesOfTheAgreementDomain2</in-capmkt:PartiesOfTheAgreementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_PartiesOfTheAgreement2"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">543227</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-08-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:PartiesOfTheAgreementAxis"><in-capmkt:PartiesOfTheAgreementDomain>PartiesOfTheAgreementDomain2</in-capmkt:PartiesOfTheAgreementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_PartiesOfTheAgreement3"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">543227</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-08-31</xbrli:startDate><xbrli:endDate>2026-08-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:PartiesOfTheAgreementAxis"><in-capmkt:PartiesOfTheAgreementDomain>PartiesOfTheAgreementDomain3</in-capmkt:PartiesOfTheAgreementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_PartiesOfTheAgreement3"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">543227</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-08-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:PartiesOfTheAgreementAxis"><in-capmkt:PartiesOfTheAgreementDomain>PartiesOfTheAgreementDomain3</in-capmkt:PartiesOfTheAgreementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><in-capmkt:NameOfTheCompany contextRef="MainI">HAPPIEST MINDS TECHNOLOGIES LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:NSESymbol contextRef="MainI">HAPPSTMNDS</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">Share Purchase Agreement</in-capmkt:DetailsOfOtherTypeOfAnnouncement><in-capmkt:StageOfAgreement contextRef="MainI">Execution of agreement</in-capmkt:StageOfAgreement><in-capmkt:AgreementsEnteredIntoBy contextRef="MainD">Promoter Group entities of the listed entity,Promoters of the listed entity,Third Party</in-capmkt:AgreementsEnteredIntoBy><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting contextRef="MainD">false</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting><in-capmkt:DateOfOccurrenceOfEvent contextRef="MainI">2026-08-31</in-capmkt:DateOfOccurrenceOfEvent><in-capmkt:TimeOfOccurrenceOfEvent contextRef="MainD">16:00:00</in-capmkt:TimeOfOccurrenceOfEvent><in-capmkt:WhetherTheListedEntityIsPartyToTheAgreement contextRef="MainD">false</in-capmkt:WhetherTheListedEntityIsPartyToTheAgreement><in-capmkt:DateOfReport contextRef="MainI">2026-08-31</in-capmkt:DateOfReport><in-capmkt:DetailsOfExecutionOfAgreement contextRef="MainI">The Sellers have executed a share purchase agreement with the Purchaser dated 31 August 2026 (“SPA”) for the sale of  33661700 equity shares of the Company held by them, each having a face value of INR 2 (Indian Rupees two only), representing 22.106% of the paid-up equity share capital of the Company (“Sale Shares”), to the Purchaser for an aggregate consideration of INR 13,29,71,77,710 (Indian Rupees One thousand three hundred twenty-nine crore, seventy-one lakh, seventy-seven thousand, seven hundred and ten only), to be consummated in the following two tranches: (a) 16750229 equity shares of the Company held by them representing 11% of the paid-up equity share capital of the Company in the first tranche for a consideration of INR 6,53,25,89,310 (Indian Rupees Six Hundred and Fifty-Three Crores Twenty-Five Lakhs Eighty Nine Thousand Three Hundred and Ten only) each; and (b) 16911471 equity shares of the Company held by them representing 11.106% of the paid-up equity share capital of the Company in the second tranche for a consideration of INR 6,76,45,88,400 (Indian Rupees Six Hundred and Seventy-Six Crores Forty-Five Lakhs Eighty-Eight Thousand and Four Hundred only) each, with each tranche being subject to the terms and conditions set out in the SPA (“Transaction”).</in-capmkt:DetailsOfExecutionOfAgreement><in-capmkt:DateOfBoardOrCommitteeMeetingApprovingTheAgreement contextRef="MainI">2026-08-31</in-capmkt:DateOfBoardOrCommitteeMeetingApprovingTheAgreement><in-capmkt:WhetherProposedOrExecutedAgreementIsInNormalCourseOfBusiness contextRef="MainI">true</in-capmkt:WhetherProposedOrExecutedAgreementIsInNormalCourseOfBusiness><in-capmkt:ImpactOfAgreementOnManagementAndControlOfTheListedEntity contextRef="MainI">The management or control of the Company will not be impacted consequent to the SPA</in-capmkt:ImpactOfAgreementOnManagementAndControlOfTheListedEntity><in-capmkt:NumberOfPartiesToTheAgreement contextRef="MainI" unitRef="pure" decimals="0">3</in-capmkt:NumberOfPartiesToTheAgreement><in-capmkt:NameOfPartiesOrCounterPartiesOfTheAgreement contextRef="D_PartiesOfTheAgreement1">Ashok Soota Medical Research LLP</in-capmkt:NameOfPartiesOrCounterPartiesOfTheAgreement><in-capmkt:NatureOfThePartiesOfTheAgreement contextRef="I_PartiesOfTheAgreement1">Party entering into the agreement</in-capmkt:NatureOfThePartiesOfTheAgreement><in-capmkt:DetailsOfShareholdingInTheEntityWithWhomTheAgreementIsExecuted contextRef="I_PartiesOfTheAgreement1">Nil</in-capmkt:DetailsOfShareholdingInTheEntityWithWhomTheAgreementIsExecuted><in-capmkt:WhetherThePartiesToTheAgreementAreRelatedToPromoterOrPromoterGroupOrAssociateOrHoldingOrSubsidiaryOrGroupCompaniesOrDirectorOrKMPAndItsRelativesInAnyManner contextRef="I_PartiesOfTheAgreement1">true</in-capmkt:WhetherThePartiesToTheAgreementAreRelatedToPromoterOrPromoterGroupOrAssociateOrHoldingOrSubsidiaryOrGroupCompaniesOrDirectorOrKMPAndItsRelativesInAnyManner><in-capmkt:NatureOfRelationshipOfTheAgreement contextRef="I_PartiesOfTheAgreement1">Promoter Group</in-capmkt:NatureOfRelationshipOfTheAgreement><in-capmkt:NameOfPartiesOrCounterPartiesOfTheAgreement contextRef="D_PartiesOfTheAgreement2">Ashok Soota</in-capmkt:NameOfPartiesOrCounterPartiesOfTheAgreement><in-capmkt:NatureOfThePartiesOfTheAgreement contextRef="I_PartiesOfTheAgreement2">Party entering into the agreement</in-capmkt:NatureOfThePartiesOfTheAgreement><in-capmkt:DetailsOfShareholdingInTheEntityWithWhomTheAgreementIsExecuted contextRef="I_PartiesOfTheAgreement2">Nil</in-capmkt:DetailsOfShareholdingInTheEntityWithWhomTheAgreementIsExecuted><in-capmkt:WhetherThePartiesToTheAgreementAreRelatedToPromoterOrPromoterGroupOrAssociateOrHoldingOrSubsidiaryOrGroupCompaniesOrDirectorOrKMPAndItsRelativesInAnyManner contextRef="I_PartiesOfTheAgreement2">true</in-capmkt:WhetherThePartiesToTheAgreementAreRelatedToPromoterOrPromoterGroupOrAssociateOrHoldingOrSubsidiaryOrGroupCompaniesOrDirectorOrKMPAndItsRelativesInAnyManner><in-capmkt:NatureOfRelationshipOfTheAgreement contextRef="I_PartiesOfTheAgreement2">Promoter</in-capmkt:NatureOfRelationshipOfTheAgreement><in-capmkt:NameOfPartiesOrCounterPartiesOfTheAgreement contextRef="D_PartiesOfTheAgreement3">ITC Infotech India Limited</in-capmkt:NameOfPartiesOrCounterPartiesOfTheAgreement><in-capmkt:NatureOfThePartiesOfTheAgreement contextRef="I_PartiesOfTheAgreement3">Counterparties to the agreement</in-capmkt:NatureOfThePartiesOfTheAgreement><in-capmkt:DetailsOfShareholdingInTheEntityWithWhomTheAgreementIsExecuted contextRef="I_PartiesOfTheAgreement3">Nil</in-capmkt:DetailsOfShareholdingInTheEntityWithWhomTheAgreementIsExecuted><in-capmkt:WhetherThePartiesToTheAgreementAreRelatedToPromoterOrPromoterGroupOrAssociateOrHoldingOrSubsidiaryOrGroupCompaniesOrDirectorOrKMPAndItsRelativesInAnyManner contextRef="I_PartiesOfTheAgreement3">false</in-capmkt:WhetherThePartiesToTheAgreementAreRelatedToPromoterOrPromoterGroupOrAssociateOrHoldingOrSubsidiaryOrGroupCompaniesOrDirectorOrKMPAndItsRelativesInAnyManner><in-capmkt:WhetherTheAgreementWouldFallWithinRelatedPartyTransactions contextRef="MainI">false</in-capmkt:WhetherTheAgreementWouldFallWithinRelatedPartyTransactions><in-capmkt:DateOnWhichAgreementWasEntered contextRef="MainI">2026-08-31</in-capmkt:DateOnWhichAgreementWasEntered><in-capmkt:PurposeOfEnteringIntoTheAgreement contextRef="MainI">The Sellers have executed a share purchase agreement with the Purchaser dated 31 August 2026 (“SPA”) for the sale of  33661700 equity shares of the Company held by them, each having a face value of INR 2 (Indian Rupees two only), representing 22.106% of the paid-up equity share capital of the Company (“Sale Shares”), to the Purchaser for an aggregate consideration of INR 13,29,71,77,710 (Indian Rupees One thousand three hundred twenty-nine crore, seventy-one lakh, seventy-seven thousand, seven hundred and ten only), to be consummated in the following two tranches: (a) 16750229 equity shares of the Company held by them representing 11% of the paid-up equity share capital of the Company in the first tranche for a consideration of INR 6,53,25,89,310 (Indian Rupees Six Hundred and Fifty-Three Crores Twenty-Five Lakhs Eighty Nine Thousand Three Hundred and Ten only) each; and (b) 16911471 equity shares of the Company held by them representing 11.106% of the paid-up equity share capital of the Company in the second tranche for a consideration of INR 6,76,45,88,400 (Indian Rupees Six Hundred and Seventy-Six Crores Forty-Five Lakhs Eighty-Eight Thousand and Four Hundred only) each, with each tranche being subject to the terms and conditions set out in the SPA (“Transaction”).</in-capmkt:PurposeOfEnteringIntoTheAgreement><in-capmkt:SignificantTermsOfTheAgreementInBriefSpecialRightsLikeRightToAppointDirectorsOrFirstRightToShareSubscriptionInCaseOfIssuanceOfSharesOrRightToRestrictAnyChangeInCapitalStructure contextRef="MainI">The Sellers have entered into the SPA with the Purchaser pursuant to which the Sellers have agreed to sell the Sale Shares to the Purchaser for an aggregate consideration of INR 13,29,71,77,710 (Indian Rupees One thousand three hundred twenty-nine crore, seventy-one lakh, seventy-seven thousand, seven hundred and ten only), to be consummated in two tranches, as stated in (c) above. 

Amongst other things, the SPA contains provisions in relation to standard representations, warranties, indemnities, interim covenants, etc. The Sellers have also agreed to certain non-compete and non-solicitation obligations for a specified period.
The consummation of the Transaction is subject to satisfaction of conditions precedent (including but not limited to, receipt of relevant statutory approvals).</in-capmkt:SignificantTermsOfTheAgreementInBriefSpecialRightsLikeRightToAppointDirectorsOrFirstRightToShareSubscriptionInCaseOfIssuanceOfSharesOrRightToRestrictAnyChangeInCapitalStructure><in-capmkt:WhetherThereIsAnyIssuanceOrTransferOfSharesToTheParties contextRef="MainI">false</in-capmkt:WhetherThereIsAnyIssuanceOrTransferOfSharesToTheParties><in-capmkt:DetailsAndQuantificationOfTheRestrictionOrLiabilityImposedUponTheListedEntity contextRef="MainD">Not Applicable</in-capmkt:DetailsAndQuantificationOfTheRestrictionOrLiabilityImposedUponTheListedEntity></xbrli:xbrl>
