<?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">543349</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-10-17</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="OneD"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">543349</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-10-17</xbrli:startDate><xbrli:endDate>2026-10-17</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">543349</in-capmkt:ScripCode><in-capmkt:NameOfTheCompany contextRef="OneI">ACUTAAS CHEMICALS LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:NSESymbol contextRef="OneI">ACUTAAS</in-capmkt:NSESymbol><in-capmkt:MSEISymbol contextRef="OneI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="OneI">INE00FF01025</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">2026-10-17</in-capmkt:DateOfOccurrenceOfEvent><in-capmkt:TimeOfOccurrenceOfEvent contextRef="OneD">12:34:00</in-capmkt:TimeOfOccurrenceOfEvent><in-capmkt:DateOfInitialAnnouncement contextRef="OneI">2026-09-24</in-capmkt:DateOfInitialAnnouncement><in-capmkt:DateOfLatestAnnouncement contextRef="OneI">2026-09-24</in-capmkt:DateOfLatestAnnouncement><in-capmkt:DateOfReport contextRef="OneI">2026-10-17</in-capmkt:DateOfReport><in-capmkt:UpdateForTheEvent contextRef="OneD">Acquisition (including agreement to acquire)</in-capmkt:UpdateForTheEvent><in-capmkt:BriefDetailsOfInitialAnnouncement contextRef="OneI">Enchem Ami Organics Private Limited (‘EAOPL”) is a step down subsidiary of Acutaas Chemicals Limited (“the Company”). EAOPL was promoted by Acutaas Chemicals Electrolytes Private Limited (“ACEPL”), a subsidiary of the Company. Upon completion of acquisition of equity shares of EAOPL by the Company, EAOPL will become a wholly owned subsidiary of the Company. The proposed acquisition shall be undertaken by way of transfer of shares of EAOPL from ACEPL to the Company at the face value of equity shares i.e Rs. 10/- each at an arm’s length basis, as applicable.</in-capmkt:BriefDetailsOfInitialAnnouncement><in-capmkt:ReasonForUpdate contextRef="OneD">Transaction Completed</in-capmkt:ReasonForUpdate><in-capmkt:TransactionCompleted contextRef="OneI">Yes</in-capmkt:TransactionCompleted><in-capmkt:AmountOfTransactionCompleted contextRef="OneD" unitRef="INR" decimals="-5">100000</in-capmkt:AmountOfTransactionCompleted><in-capmkt:DateOfTransactionCompleted contextRef="OneI">2026-10-17</in-capmkt:DateOfTransactionCompleted><in-capmkt:PercentageOfTransactionCompleted contextRef="OneI" unitRef="pure" decimals="INF">1</in-capmkt:PercentageOfTransactionCompleted></xbrli:xbrl>
