<?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">544124</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-06-25</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="OneD"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">544124</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-06-25</xbrli:startDate><xbrli:endDate>2026-06-25</xbrli:endDate></xbrli:period></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">544124</in-capmkt:ScripCode><in-capmkt:NameOfTheCompany contextRef="OneI">Vibhor Steel Tubes Limited</in-capmkt:NameOfTheCompany><in-capmkt:NSESymbol contextRef="OneI">VSTL</in-capmkt:NSESymbol><in-capmkt:MSEISymbol contextRef="OneI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="OneI">INE0QTF01015</in-capmkt:ISIN><in-capmkt:TypeOfAnnouncementPertainingToRegulation30Restructuring contextRef="OneD">Update</in-capmkt:TypeOfAnnouncementPertainingToRegulation30Restructuring><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting contextRef="OneD">false</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting><in-capmkt:DateOfOccurrenceOfEvent contextRef="OneI">2026-06-25</in-capmkt:DateOfOccurrenceOfEvent><in-capmkt:TimeOfOccurrenceOfEvent contextRef="OneD">12:53:00</in-capmkt:TimeOfOccurrenceOfEvent><in-capmkt:DateOfInitialAnnouncement contextRef="OneI">2026-06-04</in-capmkt:DateOfInitialAnnouncement><in-capmkt:DateOfLatestAnnouncement contextRef="OneI">2026-06-25</in-capmkt:DateOfLatestAnnouncement><in-capmkt:DateOfReport contextRef="OneI">2026-06-25</in-capmkt:DateOfReport><in-capmkt:UpdateForTheEvent contextRef="OneD">Acquisition of “to be incorporated companies”</in-capmkt:UpdateForTheEvent><in-capmkt:BriefDetailsOfInitialAnnouncement contextRef="OneI">Incorporation of Wholly of Owned Subsidiary in the name and style of Viyom Steel Infra Private Limited</in-capmkt:BriefDetailsOfInitialAnnouncement><in-capmkt:ReasonForUpdate contextRef="OneD">Transaction Completed</in-capmkt:ReasonForUpdate><in-capmkt:TransactionCompleted contextRef="OneI">MCA vide its e-mail dated 25-06-2026 have approved the Incorporation of Wholly Owned Subsidiary in the name and style of Viyom Steel Infra Private Limited. The date of incorporation is 17-06-2026</in-capmkt:TransactionCompleted><in-capmkt:AmountOfTransactionCompleted contextRef="OneD" unitRef="INR" decimals="-6">1000000</in-capmkt:AmountOfTransactionCompleted><in-capmkt:DateOfTransactionCompleted contextRef="OneI">2026-06-25</in-capmkt:DateOfTransactionCompleted><in-capmkt:PercentageOfTransactionCompleted contextRef="OneI" unitRef="pure" decimals="INF">1</in-capmkt:PercentageOfTransactionCompleted><in-capmkt:AnyOtherBriefSignificantInformationForAnnouncementUpdate contextRef="OneI">Viyom Steel Infra Private Limited shall carry on the business of specialized manufacturer of high-quality steel products exclusively serving the infrastructure sector including but not limited to transmission towers, monopoles, crash barriers, octagonal poles, High Mast Poles. Pre-Fab Structures etc.). 

Further, Shri Vijay Kaushik (DIN: 02249672), Smt. Vijay Laxmi Kaushik (DIN: 02249677) and Shri. Vibhor Kaushik (DIN: 01834866) are First Directors of this entity.</in-capmkt:AnyOtherBriefSignificantInformationForAnnouncementUpdate></xbrli:xbrl>
