<?xml version="1.0" encoding="UTF-8"?>
<!--ABRC V1.0 (20-04-2026)-->
<xbrli:xbrl xmlns:in-capmkt="https://www.sebi.gov.in/xbrl/2025-05-31/in-capmkt" xmlns:in-capmkt-ent="https://www.sebi.gov.in/xbrl/Awarding_Or_Bagging_Or_Receiving_Of_Orders_Or_Contracts/2025-05-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="https://www.sebi.gov.in/xbrl/Awarding_Or_Bagging_Or_Receiving_Of_Orders_Or_Contracts/2025-05-31/in-capmkt-roles" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:in-capmkt-types="https://www.sebi.gov.in/xbrl/2025-05-31/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-2025-05-31.xsd"/><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">544232</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-06-17</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_BaggingOrReceivingOfOrdersOrContracts"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">544232</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-06-17</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:AwardingOrBaggingOrReceivingOfOrdersOrContractsAxis">in-capmkt:BaggingOrReceivingOfOrdersOrContractsMember</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="D_BaggingOrReceivingOfOrdersOrContracts"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">544232</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-06-17</xbrli:startDate><xbrli:endDate>2026-06-17</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:AwardingOrBaggingOrReceivingOfOrdersOrContractsAxis">in-capmkt:BaggingOrReceivingOfOrdersOrContractsMember</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="I_BaggingOrReceivingOfOrdersOrContracts1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">544232</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-06-17</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:AwardingOrBaggingOrReceivingOfOrdersOrContractsAxis">in-capmkt:BaggingOrReceivingOfOrdersOrContractsMember</xbrldi:explicitMember><xbrldi:typedMember dimension="in-capmkt:CounterpartyGroupCompanyAxis"><in-capmkt:CounterpartyGroupCompanyDomain>CounterpartyGroupCompanyDomain1</in-capmkt:CounterpartyGroupCompanyDomain></xbrldi:typedMember></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:NSESymbol contextRef="MainI">INTERARCH</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">Interarch Building Solutions Limited</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">544232</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NA</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE00M901018</in-capmkt:ISIN><in-capmkt:TypeOfAnnouncement contextRef="MainI">New</in-capmkt:TypeOfAnnouncement><in-capmkt:TypeOfEvent contextRef="MainI">Bagging/Receiving of orders/contracts</in-capmkt:TypeOfEvent><in-capmkt:DateOfOccurrenceOfEvent contextRef="MainI">2026-06-16</in-capmkt:DateOfOccurrenceOfEvent><in-capmkt:TimeOfOccurrenceOfEvent contextRef="MainI">12:04:00</in-capmkt:TimeOfOccurrenceOfEvent><in-capmkt:DateOfReport contextRef="MainI">2026-06-17</in-capmkt:DateOfReport><in-capmkt:NameOfTheEntityAwardingTheOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContracts">Due to commercial issue, the Company cannot disclose the name of the Customer.</in-capmkt:NameOfTheEntityAwardingTheOrdersOrContracts><in-capmkt:WhetherTheOrdersOrContractsIsOrdinaryCourseOfBusiness contextRef="I_BaggingOrReceivingOfOrdersOrContracts">true</in-capmkt:WhetherTheOrdersOrContractsIsOrdinaryCourseOfBusiness><in-capmkt:WhetherOrdersOrContractsIsAwardedByDomesticOrInternationalEntity contextRef="I_BaggingOrReceivingOfOrdersOrContracts">Domestic</in-capmkt:WhetherOrdersOrContractsIsAwardedByDomesticOrInternationalEntity><in-capmkt:WhetherTheCounterpartyIsIndianListedEntity contextRef="I_BaggingOrReceivingOfOrdersOrContracts">false</in-capmkt:WhetherTheCounterpartyIsIndianListedEntity><in-capmkt:LEIOrCINOrRegistrationNumberOfTheCounterparty contextRef="I_BaggingOrReceivingOfOrdersOrContracts">U31904GJ2019PLC110468</in-capmkt:LEIOrCINOrRegistrationNumberOfTheCounterparty><in-capmkt:WhetherTheCounterpartyBelongsToGroupCompaniesOfAnyIndianListedEntity contextRef="I_BaggingOrReceivingOfOrdersOrContracts">true</in-capmkt:WhetherTheCounterpartyBelongsToGroupCompaniesOfAnyIndianListedEntity><in-capmkt:NumberOfListedEntityOfTheCounterpartyBelongsToGroupCompanies contextRef="D_BaggingOrReceivingOfOrdersOrContracts" unitRef="pure" decimals="0">1</in-capmkt:NumberOfListedEntityOfTheCounterpartyBelongsToGroupCompanies><in-capmkt:NameOfTheListedEntityOfCounterpartyGroup contextRef="I_BaggingOrReceivingOfOrdersOrContracts1">Torrent Power Limited</in-capmkt:NameOfTheListedEntityOfCounterpartyGroup><in-capmkt:NatureOfRelationshipOfCounterpartyToListedEntity contextRef="I_BaggingOrReceivingOfOrdersOrContracts1">Subsidiary</in-capmkt:NatureOfRelationshipOfCounterpartyToListedEntity><in-capmkt:ISINOfTheListedEntityOfCounterpartyGroup contextRef="I_BaggingOrReceivingOfOrdersOrContracts1">INE813H01021</in-capmkt:ISINOfTheListedEntityOfCounterpartyGroup><in-capmkt:NSESymbolOfTheListedEntityOfCounterpartyGroup contextRef="I_BaggingOrReceivingOfOrdersOrContracts1">TORNTPOWER</in-capmkt:NSESymbolOfTheListedEntityOfCounterpartyGroup><in-capmkt:ScripCodeOfTheListedEntityOfCounterpartyGroup contextRef="I_BaggingOrReceivingOfOrdersOrContracts1">532779</in-capmkt:ScripCodeOfTheListedEntityOfCounterpartyGroup><in-capmkt:NameOfTheCountryInWhichCounterpartyIsExists contextRef="I_BaggingOrReceivingOfOrdersOrContracts">India</in-capmkt:NameOfTheCountryInWhichCounterpartyIsExists><in-capmkt:DateOfBaggingOrReceivingOfOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContracts">2026-06-16</in-capmkt:DateOfBaggingOrReceivingOfOrdersOrContracts><in-capmkt:AmountOfTheOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContracts" unitRef="INR" decimals="-7">870000000</in-capmkt:AmountOfTheOrdersOrContracts><in-capmkt:SignificantTermsAndConditionsOfOrdersOrContractsIsAwarded contextRef="I_BaggingOrReceivingOfOrdersOrContracts">Approx. 10 months completion period.
Complete Design, Engineering, Manufacturing and Supply &amp; erection in scope.</in-capmkt:SignificantTermsAndConditionsOfOrdersOrContractsIsAwarded><in-capmkt:NatureOfOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContracts">Design, Engineering, Manufacturing,  Supply &amp; erection of Pre-Engineered Steel Building System</in-capmkt:NatureOfOrdersOrContracts><in-capmkt:TimePeriodByWhichTheOrdersOrContractsIsToBeExecuted contextRef="I_BaggingOrReceivingOfOrdersOrContracts">Approx. 10 months</in-capmkt:TimePeriodByWhichTheOrdersOrContractsIsToBeExecuted><in-capmkt:BroadConsiderationForTheOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContracts">Approximately Rs.87 Crores Plus Taxes</in-capmkt:BroadConsiderationForTheOrdersOrContracts><in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupCompaniesHaveAnyInterestInThatEntityToWhomTheOrdersOrContractsIsAwarded contextRef="I_BaggingOrReceivingOfOrdersOrContracts">false</in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupCompaniesHaveAnyInterestInThatEntityToWhomTheOrdersOrContractsIsAwarded><in-capmkt:WhetherTheAgreementWouldFallWithinRelatedPartyTransactions contextRef="I_BaggingOrReceivingOfOrdersOrContracts">false</in-capmkt:WhetherTheAgreementWouldFallWithinRelatedPartyTransactions></xbrli:xbrl>
