<?xml version="1.0" encoding="UTF-8"?>
<!--REG30 V1.0 (16-10-2025)-->
<xbrli:xbrl xmlns:in-capmkt="http://www.sebi.gov.in/xbrl/2025-08-31/in-capmkt" xmlns:in-capmkt-ent="http://www.sebi.gov.in/xbrl/Regulation_30_Restructuring/2025-08-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="http://www.sebi.gov.in/xbrl/Regulation_30_Restructuring/2025-08-31/in-capmkt-roles" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" 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-2025-08-31.xsd"/><xbrli:context id="OneI"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">538734</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-19</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="OneD"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">538734</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-19</xbrli:startDate><xbrli:endDate>2026-04-19</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="I_FinancialYear1"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">538734</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-19</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:TurnoverForLastThreeFinancialYearsAxis">in-capmkt:FinancialYear1Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="I_FinancialYear2"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">538734</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-19</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:TurnoverForLastThreeFinancialYearsAxis">in-capmkt:FinancialYear2Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="I_FinancialYear3"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">538734</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-19</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:TurnoverForLastThreeFinancialYearsAxis">in-capmkt:FinancialYear3Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="D_FinancialYear1"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">538734</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-19</xbrli:startDate><xbrli:endDate>2026-04-19</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:TurnoverForLastThreeFinancialYearsAxis">in-capmkt:FinancialYear1Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="D_FinancialYear2"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">538734</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-19</xbrli:startDate><xbrli:endDate>2026-04-19</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:TurnoverForLastThreeFinancialYearsAxis">in-capmkt:FinancialYear2Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="D_FinancialYear3"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">538734</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-19</xbrli:startDate><xbrli:endDate>2026-04-19</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:TurnoverForLastThreeFinancialYearsAxis">in-capmkt:FinancialYear3Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:unit id="INR"><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unit><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><in-capmkt:ScripCode contextRef="OneI">538734</in-capmkt:ScripCode><in-capmkt:NameOfTheCompany contextRef="OneI">Ceinsys Tech Limited</in-capmkt:NameOfTheCompany><in-capmkt:NSESymbol contextRef="OneI">CEINSYS</in-capmkt:NSESymbol><in-capmkt:MSEISymbol contextRef="OneI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="OneI">INE016Q01014</in-capmkt:ISIN><in-capmkt:TypeOfAnnouncementPertainingToRegulation30Restructuring contextRef="OneD">New</in-capmkt:TypeOfAnnouncementPertainingToRegulation30Restructuring><in-capmkt:TypeOfEventOfAnnouncementPertainingToRegulation30Restructuring contextRef="OneD">Acquisition (including agreement to acquire)</in-capmkt:TypeOfEventOfAnnouncementPertainingToRegulation30Restructuring><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting contextRef="OneD">false</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting><in-capmkt:DateOfOccurrenceOfEvent contextRef="OneI">2026-04-18</in-capmkt:DateOfOccurrenceOfEvent><in-capmkt:TimeOfOccurrenceOfEvent contextRef="OneD">17:45:00</in-capmkt:TimeOfOccurrenceOfEvent><in-capmkt:DateOfReport contextRef="OneI">2026-04-19</in-capmkt:DateOfReport><in-capmkt:NameOfAcquirer contextRef="OneI">Ceinsys Tech Limited</in-capmkt:NameOfAcquirer><in-capmkt:RelationshipOfAcquirerWithTheListedEntity contextRef="OneD">Subsidiary</in-capmkt:RelationshipOfAcquirerWithTheListedEntity><in-capmkt:NameOfTheTargetEntity contextRef="OneI">Technology Associates Inc., USA</in-capmkt:NameOfTheTargetEntity><in-capmkt:TurnoverOfTargetEntity contextRef="OneD" unitRef="INR" decimals="-5">234300000</in-capmkt:TurnoverOfTargetEntity><in-capmkt:ProfitAfterTaxOfTargetEntity contextRef="OneD" unitRef="INR" decimals="-5">-141600000</in-capmkt:ProfitAfterTaxOfTargetEntity><in-capmkt:NetWorthOfTargetEntity contextRef="OneD" unitRef="INR" decimals="-5">190800000</in-capmkt:NetWorthOfTargetEntity><in-capmkt:WhetherTheAcquisitionWouldFallWithinRelatedPartyTransactions contextRef="OneD">false</in-capmkt:WhetherTheAcquisitionWouldFallWithinRelatedPartyTransactions><in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupCompaniesIncludingAssociateOrHoldingOrSubsidiaryOrDirectorOrKMPOrSMPAndItsRelativesHaveAnyInterestInTheEntityBeingAcquired contextRef="OneD">false</in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupCompaniesIncludingAssociateOrHoldingOrSubsidiaryOrDirectorOrKMPOrSMPAndItsRelativesHaveAnyInterestInTheEntityBeingAcquired><in-capmkt:WhetherAcquisitionEventIsDoneAtArmsLength contextRef="OneD">true</in-capmkt:WhetherAcquisitionEventIsDoneAtArmsLength><in-capmkt:IndustryToWhichTheEntityBeingAcquiredBelongs contextRef="OneI">This is not an acquisition. TA Inc. is a wholly owned foreign unlisted subsidiary of Ceinsys Tech Limited incorporated in United States of America and is engaged in providing engineering design services.</in-capmkt:IndustryToWhichTheEntityBeingAcquiredBelongs><in-capmkt:ObjectsAndImpactOfAcquisitionIncludingButNotLimitedToDisclosureOfReasonsForAcquisitionOfTargetEntityIfItsBusinessIsOutsideTheMainLineOfBusinessOfTheListedEntity contextRef="OneI">The Board of the Company at its meeting held on February 9, 2026, had approved conversion of pre-existing inter-company loans to equity and also infusion of fresh equity capital in TA Inc. upto Rs. 40,00,00,000/- (Rupees Forty Crores Only).
Currently, out of the total approved investment limit of Rs. 40,00,00,000/-, the Company has made further investment of USD 2,161,000/-. (US Dollars Two Million One Hundred Sixty One Thousand Only), equivalent to approximately INR 20,28,00,000/- (Indian Rupees Twenty Crores and Twenty-Eight Lakhs Only), by subscribing to 5,855.73 equity shares of face value USD 1/- each issued at USD 369.04 each by Technology Associates Inc. to meet various funding requirements for seizing growth opportunities through TA Inc in USA.
Impact of acquisition: Not applicable. This is not a new acquisition and with this investment, Ceinsys Tech Limited’s shareholding in TA Inc. remains unchanged at 100%.</in-capmkt:ObjectsAndImpactOfAcquisitionIncludingButNotLimitedToDisclosureOfReasonsForAcquisitionOfTargetEntityIfItsBusinessIsOutsideTheMainLineOfBusinessOfTheListedEntity><in-capmkt:WhetherAnyGovernmentalOrRegulatoryApprovalsRequiredForTheAcquisition contextRef="OneD">Yes</in-capmkt:WhetherAnyGovernmentalOrRegulatoryApprovalsRequiredForTheAcquisition><in-capmkt:ProvideBriefDetailsOfAnyGovernmentalOrRegulatoryApprovalsForTheAcquisition contextRef="OneI">The Company has duly complied with FEMA Regulations applicable to this transaction.
Further, the Company will also comply any further regulatory requirements in this regard.</in-capmkt:ProvideBriefDetailsOfAnyGovernmentalOrRegulatoryApprovalsForTheAcquisition><in-capmkt:WhetherTheAcquisitionTransactionWillBeInTranches contextRef="OneD">false</in-capmkt:WhetherTheAcquisitionTransactionWillBeInTranches><in-capmkt:IndicativeTimePeriodForCompletionOfTheAcquisition contextRef="OneI">The equity shares against the current investment were allotted on April 18, 2026</in-capmkt:IndicativeTimePeriodForCompletionOfTheAcquisition><in-capmkt:NatureOfConsiderationForAcquisitionEvent contextRef="OneD">Cash</in-capmkt:NatureOfConsiderationForAcquisitionEvent><in-capmkt:AmountOfCashConsiderationForAcquisitionEvent contextRef="OneD" unitRef="INR" decimals="-5">202800000</in-capmkt:AmountOfCashConsiderationForAcquisitionEvent><in-capmkt:DetailsOfConsiderationForAcquisitionEvent contextRef="OneI">5,855.73 Equity shares having Face Value of USD 1/- each were subscribed at the issue price of USD 369.04 each aggregating to USD 2,161,000/- (US Dollars Two Million One Hundred Sixty-One Thousand Only).</in-capmkt:DetailsOfConsiderationForAcquisitionEvent><in-capmkt:CostOfAcquisitionOrThePriceAtWhichTheSharesAreAcquired contextRef="OneD" unitRef="INR" decimals="-5">202800000</in-capmkt:CostOfAcquisitionOrThePriceAtWhichTheSharesAreAcquired><in-capmkt:ExistingPercentageOfShareholdingHeldByAcquirer contextRef="OneI" unitRef="pure" decimals="INF">1</in-capmkt:ExistingPercentageOfShareholdingHeldByAcquirer><in-capmkt:PercentageOfControlAcquired contextRef="OneI" unitRef="pure" decimals="INF">1</in-capmkt:PercentageOfControlAcquired><in-capmkt:PercentageOfAdditionalSharesAcquiredIfExistingHoldingPersists contextRef="OneI" unitRef="pure" decimals="INF">1</in-capmkt:PercentageOfAdditionalSharesAcquiredIfExistingHoldingPersists><in-capmkt:BriefBackgroundAboutTheEntityAcquiredInTermsOfProductsLineOfBusinessAcquired contextRef="OneI">This is not a new acquisition. This is subscription to fresh equity shares issued by TA Inc. Below is TA Inc’s last 3 years turnover, Country of presence and other information.

The corporation sell computers hardware as well as software and is also involved into chemical, laboratory business, and according to local or state code. They will further engage in any work that a corporation can do, as long as their is not violation of any law</in-capmkt:BriefBackgroundAboutTheEntityAcquiredInTermsOfProductsLineOfBusinessAcquired><in-capmkt:DateOfIncorporationForAcquisitionEvent contextRef="OneI">1989-08-21</in-capmkt:DateOfIncorporationForAcquisitionEvent><in-capmkt:DescriptionOfFinancialYear contextRef="I_FinancialYear1">2024-2025</in-capmkt:DescriptionOfFinancialYear><in-capmkt:Turnover contextRef="D_FinancialYear1" unitRef="INR" decimals="-5">234300000</in-capmkt:Turnover><in-capmkt:DescriptionOfFinancialYear contextRef="I_FinancialYear2">2023-2024</in-capmkt:DescriptionOfFinancialYear><in-capmkt:Turnover contextRef="D_FinancialYear2" unitRef="INR" decimals="-5">262400000</in-capmkt:Turnover><in-capmkt:DescriptionOfFinancialYear contextRef="I_FinancialYear3">2022-2023</in-capmkt:DescriptionOfFinancialYear><in-capmkt:Turnover contextRef="D_FinancialYear3" unitRef="INR" decimals="-5">362700000</in-capmkt:Turnover><in-capmkt:CountryInWhichTheAcquiredEntityHasPresence contextRef="OneI">United State of America</in-capmkt:CountryInWhichTheAcquiredEntityHasPresence><in-capmkt:AnyOtherBriefSignificantInformationForTheAcquisition contextRef="OneI">1. Technology Associates Inc., USA is a wholly owned foreign subsidiary of the Company. The Company has made further investment by infusion of fresh equity capital and subscribed to equity shares offered by Technology Associates Inc., USA,  to meet various funding requirements for seizing growth opportunities through TA Inc in USA.

2. The further Investment by the Company in the equity share capital of Technology Associates Inc., USA  will not be considered as related party transaction</in-capmkt:AnyOtherBriefSignificantInformationForTheAcquisition></xbrli:xbrl>
