<?xml version="1.0" encoding="UTF-8"?>
<!--NOS V1.0 (10-04-2026)-->
<xbrli:xbrl xmlns:in-capmkt="https://www.sebi.gov.in/xbrl/2024-05-31/in-capmkt" xmlns:in-capmkt-ent="https://www.sebi.gov.in/xbrl/Notice_Of_Shareholders_Meeting/2024-05-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="https://www.sebi.gov.in/xbrl/Notice_Of_Shareholders_Meeting/2024-05-31/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-2024-05-31.xsd"/><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-07</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="D_DetailofRPT1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-09-07</xbrli:startDate><xbrli:endDate>2026-09-07</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:RelatedPartyTransactionAxis"><in-capmkt:RelatedPartyTransactionDomain>RelatedPartyTransactionDomain1</in-capmkt:RelatedPartyTransactionDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_DetailofRPT2"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-09-07</xbrli:startDate><xbrli:endDate>2026-09-07</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:RelatedPartyTransactionAxis"><in-capmkt:RelatedPartyTransactionDomain>RelatedPartyTransactionDomain2</in-capmkt:RelatedPartyTransactionDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_DetailofRPT3"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-09-07</xbrli:startDate><xbrli:endDate>2026-09-07</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:RelatedPartyTransactionAxis"><in-capmkt:RelatedPartyTransactionDomain>RelatedPartyTransactionDomain3</in-capmkt:RelatedPartyTransactionDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_DetailofResolution1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-09-07</xbrli:startDate><xbrli:endDate>2026-09-07</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain1</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_DetailofResolution1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-07</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain1</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_DetailofResolution2"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-09-07</xbrli:startDate><xbrli:endDate>2026-09-07</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain2</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_DetailofResolution2"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-07</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain2</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_DetailofResolution3"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-09-07</xbrli:startDate><xbrli:endDate>2026-09-07</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain3</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_DetailofResolution3"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-07</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain3</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_DetailofResolution4"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-09-07</xbrli:startDate><xbrli:endDate>2026-09-07</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain4</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_DetailofResolution4"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-07</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain4</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_DetailofResolution5"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-09-07</xbrli:startDate><xbrli:endDate>2026-09-07</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain5</in-capmkt:ResolutionOrAgendaDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_DetailofResolution5"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">OBSCP</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-07</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ResolutionOrAgendaAxis"><in-capmkt:ResolutionOrAgendaDomain>ResolutionOrAgendaDomain5</in-capmkt:ResolutionOrAgendaDomain></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">OBSCP</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">OBSC PERFECTION LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:TypeOfAnnouncement contextRef="MainI">New</in-capmkt:TypeOfAnnouncement><in-capmkt:DateOfOccurrenceOfEvent contextRef="MainI">2026-09-03</in-capmkt:DateOfOccurrenceOfEvent><in-capmkt:TimeOfOccurrenceOfEvent contextRef="MainI">17:45:00</in-capmkt:TimeOfOccurrenceOfEvent><in-capmkt:DateOfReport contextRef="MainI">2026-09-07</in-capmkt:DateOfReport><in-capmkt:EventForNoticeOfShareholdersMeeting contextRef="MainI">Annual General Meeting</in-capmkt:EventForNoticeOfShareholdersMeeting><in-capmkt:ModeOfShareholdersMeeting contextRef="MainI">Video Conference (VC) or Other Audio-Visual Means (OAVM)</in-capmkt:ModeOfShareholdersMeeting><in-capmkt:NumberOfShareholdersMeeting contextRef="MainI">10</in-capmkt:NumberOfShareholdersMeeting><in-capmkt:DayOfShareholdersMeeting contextRef="MainI">Tuesday</in-capmkt:DayOfShareholdersMeeting><in-capmkt:DateOfShareholdersMeeting contextRef="MainI">2026-09-29</in-capmkt:DateOfShareholdersMeeting><in-capmkt:ShareholdersMeetingCommencementTime contextRef="MainI">14:30:00</in-capmkt:ShareholdersMeetingCommencementTime><in-capmkt:PlaceOfShareholdersMeeting contextRef="MainI">New Delhi</in-capmkt:PlaceOfShareholdersMeeting><in-capmkt:NumberOfAgendaOrBusinessToBeTransacted contextRef="MainI" unitRef="pure" decimals="0">5</in-capmkt:NumberOfAgendaOrBusinessToBeTransacted><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_DetailofRPT1">OBSC PERFECTION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_DetailofRPT1">Omega Bright Steel &amp; Components Private Limited</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_DetailofRPT1">Omega Bright Steel &amp; Components Private Limited is an investing company in OBSC Perfection Limited and is therefore a related party of the Company.</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_DetailofRPT1">Purchase of goods or services</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_DetailofRPT1" unitRef="INR" decimals="0">250000000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:DateOfStartOfTenure contextRef="D_DetailofRPT1">2026-04-01</in-capmkt:DateOfStartOfTenure><in-capmkt:DateOfEndOfTenure contextRef="D_DetailofRPT1">2027-03-31</in-capmkt:DateOfEndOfTenure><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_DetailofRPT2">OBSC PERFECTION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_DetailofRPT2">Omega Bright Steel Private Limited</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_DetailofRPT2">Omega Bright Steel Private Limited (‘OBSPL’) is the Holding Company of Omega Bright Steel &amp; Components Private Limited (‘Omega’).
Further, Omega is an investing company in OBSC Perfection Limited.
Accordingly, OBSPL, being the entity exercising control over Omega, which is an investing company of the OBSC Perfection Limited, is a related party of the Company within the meaning of the applicable provisions of the Listing Regulations.</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_DetailofRPT2">Purchase of goods or services</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_DetailofRPT2" unitRef="INR" decimals="0">200000000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:DateOfStartOfTenure contextRef="D_DetailofRPT2">2026-04-01</in-capmkt:DateOfStartOfTenure><in-capmkt:DateOfEndOfTenure contextRef="D_DetailofRPT2">2027-03-31</in-capmkt:DateOfEndOfTenure><in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction contextRef="D_DetailofRPT3">OBSC PERFECTION LIMITED</in-capmkt:NameOfListedEntityOrSubsidiaryEnteringIntoTheTransaction><in-capmkt:NameOfCounterParty contextRef="D_DetailofRPT3">Omega Bright Steel Private Limited</in-capmkt:NameOfCounterParty><in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary contextRef="D_DetailofRPT3">Omega Bright Steel Private Limited (‘OBSPL’) is the Holding Company of Omega Bright Steel &amp; Components Private Limited (‘Omega’).
Further, Omega is an investing company in OBSC Perfection Limited.
Accordingly, OBSPL, being the entity exercising control over Omega, which is an investing company of the OBSC Perfection Limited, is a related party of the Company within the meaning of the applicable provisions of the Listing Regulations.</in-capmkt:RelationshipOfTheCounterpartyWithTheListedEntityOrItsSubsidiary><in-capmkt:TypeOfRelatedPartyTransaction contextRef="D_DetailofRPT3">Sale of goods or services</in-capmkt:TypeOfRelatedPartyTransaction><in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod contextRef="D_DetailofRPT3" unitRef="INR" decimals="0">500000000</in-capmkt:AmountOfRelatedPartyTransactionDuringTheReportingPeriod><in-capmkt:DateOfStartOfTenure contextRef="D_DetailofRPT3">2026-04-01</in-capmkt:DateOfStartOfTenure><in-capmkt:DateOfEndOfTenure contextRef="D_DetailofRPT3">2027-03-31</in-capmkt:DateOfEndOfTenure><in-capmkt:TypeOfResolution contextRef="I_DetailofResolution1">Ordinary Resolution</in-capmkt:TypeOfResolution><in-capmkt:CategoryOfResolution contextRef="I_DetailofResolution1">Adoption of Financial Statements</in-capmkt:CategoryOfResolution><in-capmkt:BriefDetailsOfResolution contextRef="D_DetailofResolution1">Tp approve the Directors’ report along with Annexures for the financial year ended 31st March, 2026</in-capmkt:BriefDetailsOfResolution><in-capmkt:TypeOfResolution contextRef="I_DetailofResolution2">Ordinary Resolution</in-capmkt:TypeOfResolution><in-capmkt:CategoryOfResolution contextRef="I_DetailofResolution2">Others</in-capmkt:CategoryOfResolution><in-capmkt:SubCategoryOfResolution contextRef="I_DetailofResolution2">Others</in-capmkt:SubCategoryOfResolution><in-capmkt:DetailsOfOtherSubCategoryOfResolution contextRef="D_DetailofResolution2">To approve re-appointment of Mr. Ashwani Leekha (DIN: 07389860), Executive Director, who retires by rotation in terms of Section 152 of the Companies Act, 2013 and is eligible for re-appointment, subject to the approval of the members at the AGM.</in-capmkt:DetailsOfOtherSubCategoryOfResolution><in-capmkt:BriefDetailsOfResolution contextRef="D_DetailofResolution2">To approve re-appointment of Mr. Ashwani Leekha (DIN: 07389860), Executive Director, who retires by rotation in terms of Section 152 of the Companies Act, 2013 and is eligible for re-appointment, subject to the approval of the members at the AGM.</in-capmkt:BriefDetailsOfResolution><in-capmkt:TypeOfResolution contextRef="I_DetailofResolution3">Ordinary Resolution</in-capmkt:TypeOfResolution><in-capmkt:CategoryOfResolution contextRef="I_DetailofResolution3">Related Party Transaction</in-capmkt:CategoryOfResolution><in-capmkt:BriefDetailsOfResolution contextRef="D_DetailofResolution3">To Approve the Material Related Party Transactions of the Company with Omega Bright Steel &amp; Components Private Limited for the Financial Year 2026-27 for Purchase of goods/services amounting to 25,00,00,000/-</in-capmkt:BriefDetailsOfResolution><in-capmkt:TypeOfResolution contextRef="I_DetailofResolution4">Ordinary Resolution</in-capmkt:TypeOfResolution><in-capmkt:CategoryOfResolution contextRef="I_DetailofResolution4">Related Party Transaction</in-capmkt:CategoryOfResolution><in-capmkt:BriefDetailsOfResolution contextRef="D_DetailofResolution4">To Approve the Material Related Party Transactions of the Company with Omega Bright Steel Private Limited for the Financial Year 2026-27, for Purchase of goods/services amounting to 20,00,00,000/- and To approve the material related party transactions of the Company with Omega Bright Steel Private Limited for the financial year 2026–27, for the sale of goods/services amounting to ₹5,00,00,000.
</in-capmkt:BriefDetailsOfResolution><in-capmkt:TypeOfResolution contextRef="I_DetailofResolution5">Ordinary Resolution</in-capmkt:TypeOfResolution><in-capmkt:CategoryOfResolution contextRef="I_DetailofResolution5">Others</in-capmkt:CategoryOfResolution><in-capmkt:SubCategoryOfResolution contextRef="I_DetailofResolution5">Others</in-capmkt:SubCategoryOfResolution><in-capmkt:DetailsOfOtherSubCategoryOfResolution contextRef="D_DetailofResolution5">Ratify the Remuneration Payable to the Cost Auditors for the Financial Year 2026-27</in-capmkt:DetailsOfOtherSubCategoryOfResolution><in-capmkt:BriefDetailsOfResolution contextRef="D_DetailofResolution5">Ratify the Remuneration Payable to the Cost Auditors for the Financial Year 2026-27</in-capmkt:BriefDetailsOfResolution></xbrli:xbrl>
