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<!--CTW V1.0 (26-06-2026)-->
<xbrli:xbrl xmlns:in-capmkt="https://www.sebi.gov.in/xbrl/2023-06-30/in-capmkt" xmlns:in-capmkt-ent="https://www.sebi.gov.in/xbrl/Closure_Of_Trading_Window/2023-06-30/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="https://www.sebi.gov.in/xbrl/Closure_Of_Trading_Window/2023-06-30/in-capmkt-roles" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:in-capmkt-type="https://www.sebi.gov.in/xbrl/2023-06-30/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-2023-06-30.xsd"/><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">ABSMARINE</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-11-05</xbrli:instant></xbrli:period></xbrli:context><in-capmkt:NameOfTheCompany contextRef="MainI">ABS MARINE SERVICES LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:NSESymbol contextRef="MainI">ABSMARINE</in-capmkt:NSESymbol><in-capmkt:ISIN contextRef="MainI">INE0QRV01016</in-capmkt:ISIN><in-capmkt:TypeOfAnnouncementForClosureOfTradingWindow contextRef="MainI">New</in-capmkt:TypeOfAnnouncementForClosureOfTradingWindow><in-capmkt:TypeOfEventForClosureOfTradingWindow contextRef="MainI">Closure of Trading Window</in-capmkt:TypeOfEventForClosureOfTradingWindow><in-capmkt:DateOfStartOfTradingWindowClosure contextRef="MainI">2026-10-01</in-capmkt:DateOfStartOfTradingWindowClosure><in-capmkt:DateOfEndOfTradingWindowClosure contextRef="MainI">2026-11-14</in-capmkt:DateOfEndOfTradingWindowClosure><in-capmkt:BriefDetailsForTradingWindowClosureEndDate contextRef="MainI">In terms of the Company’s “Code of Conduct for Prohibition of Insider Trading” read with SEBI (Prohibition of Insider Trading) Regulations, 2015 (as amended from time to time), the trading window for dealing in equity shares of the Company shall remain closed for promoters, directors, officers, other designated persons and their relatives, for the period from Thursday, October 01, 2026 till the end of 48 hours after the declaration of Un audited financial Results of the Company for the half year ended 30th September, 2026</in-capmkt:BriefDetailsForTradingWindowClosureEndDate><in-capmkt:PurposeOfTheClosureOfTradingWindow contextRef="MainI">In terms of the Company’s “Code of Conduct for Prohibition of Insider Trading” read with SEBI (Prohibition of Insider Trading) Regulations, 2015 (as amended from time to time), the trading window for dealing in equity shares of the Company shall remain closed for promoters, directors, officers, other designated persons and their relatives, for the period from Thursday, October 01, 2026 till the end of 48 hours after the declaration of Un audited financial Results of the Company for the half year ended 30th September, 2026</in-capmkt:PurposeOfTheClosureOfTradingWindow><in-capmkt:DateOfReport contextRef="MainI">2026-11-05</in-capmkt:DateOfReport></xbrli:xbrl>