<?xml version="1.0" encoding="UTF-8"?>
<!--REG30PARAB V1.0 (01-06-2026)-->
<xbrli:xbrl xmlns:in-capmkt="http://www.sebi.gov.in/xbrl/2026-04-30/in-capmkt" xmlns:in-capmkt-ent="http://www.sebi.gov.in/xbrl/Regulation_30_Para_B_Of_Part_A_Of_Schedule_III/2026-04-30/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/2026-04-30/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.w3.org/1999/xlink"><link:schemaRef xlink:type="simple" xlink:href="in-capmkt-ent-2026-04-30.xsd"/><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">TAC</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_AtTheTimeOfInstitutingScheme"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">TAC</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-30</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:StageOfOptionsToPurchaseSecuritiesAsPerSubPara10OfParaBAxis">in-capmkt:AtTheTimeOfInstitutingSchemeMember</xbrldi:explicitMember></xbrli:scenario></xbrli:context><in-capmkt:NSESymbol contextRef="MainI">TAC</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">TAC Infosec Limited</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">000000</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">0</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE0SOY01013</in-capmkt:ISIN><in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="MainI">Options to purchase securities ESOPS (Sub-para 10-Para B)</in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:TypeOfAnnouncementAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="MainI">New</in-capmkt:TypeOfAnnouncementAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting contextRef="MainI">true</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting><in-capmkt:DateOfBoardMeeting contextRef="MainI">2026-09-29</in-capmkt:DateOfBoardMeeting><in-capmkt:StartTimeOfTheMeeting contextRef="MainI">18:15:00</in-capmkt:StartTimeOfTheMeeting><in-capmkt:EndTimeOfTheMeeting contextRef="MainI">18:50:00</in-capmkt:EndTimeOfTheMeeting><in-capmkt:DateOfReport contextRef="MainI">2026-09-30</in-capmkt:DateOfReport><in-capmkt:StageOfDisclosureOfOptionsToPurchaseSecurities contextRef="I_AtTheTimeOfInstitutingScheme">At the time of instituting the scheme</in-capmkt:StageOfDisclosureOfOptionsToPurchaseSecurities><in-capmkt:BriefDetailsOfOptionsGranted contextRef="I_AtTheTimeOfInstitutingScheme">4,00,000 (Four Lakh) grants are covered by ESOP 2026, which shall entitle 1 (one) fully paid-up equity share of face value of ₹10/- (Rupee Ten) each against each ESOP exercised (will be proportionately adjusted due to corporate action(s), if any).</in-capmkt:BriefDetailsOfOptionsGranted><in-capmkt:WhetherTheSchemeIsInTermsOfSEBISBEBRegulations2021 contextRef="I_AtTheTimeOfInstitutingScheme">true</in-capmkt:WhetherTheSchemeIsInTermsOfSEBISBEBRegulations2021><in-capmkt:DetailsOfSharesCoveredByOptions contextRef="I_AtTheTimeOfInstitutingScheme">4,00,000</in-capmkt:DetailsOfSharesCoveredByOptions><in-capmkt:PricingFormulaForOptions contextRef="I_AtTheTimeOfInstitutingScheme">The exercise price shall be face value of the underlying equity shares of the Company to be allotted on exercise of vested options, payable by the employee in order to exercise the vested options pursuant to the ESOP 2026.
The employee shall also be liable to pay the Company the amount equivalent to the value of the perquisite tax payable on exercise of the options in accordance with the provisions of the Income Tax Act, 1961 and other applicable laws (if any) at the relevant time.</in-capmkt:PricingFormulaForOptions><in-capmkt:DetailsOfTimeWithinWhichOptionMayBeExercised contextRef="I_AtTheTimeOfInstitutingScheme">Exercise period would commence from the vesting date and would expire within such period as may be decided by the Nomination and Remuneration Committee, from time to time</in-capmkt:DetailsOfTimeWithinWhichOptionMayBeExercised><in-capmkt:BriefDetailsOfSignificantTermsOfOptions contextRef="I_AtTheTimeOfInstitutingScheme">Significant terms will be disclosed as explanatory
statement forming part of Postal Ballot Notice. Same will be made available on the website of the Company.</in-capmkt:BriefDetailsOfSignificantTermsOfOptions><in-capmkt:DilutedEarningsPerSharePursuantToIssueOfEquitySharesOnExerciseOfOptions contextRef="I_AtTheTimeOfInstitutingScheme">Not applicable at this stage</in-capmkt:DilutedEarningsPerSharePursuantToIssueOfEquitySharesOnExerciseOfOptions></xbrli:xbrl>
