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<xbrli:xbrl xmlns:in-capmkt="https://www.sebi.gov.in/xbrl/2023-05-31/in-capmkt" xmlns:in-capmkt-ent="https://www.sebi.gov.in/xbrl/Prior_Intimation_Of_Board_Meeting/2023-05-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="https://www.sebi.gov.in/xbrl/Prior_Intimation_Of_Board_Meeting/2023-05-31/in-capmkt-roles" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:in-capmkt-type="https://www.sebi.gov.in/xbrl/2023-05-31/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-2023-05-31.xsd"/><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">522029</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-10-28</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="MainD"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">522029</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-10-28</xbrli:startDate><xbrli:endDate>2026-10-28</xbrli:endDate></xbrli:period></xbrli:context><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><in-capmkt:NSESymbol contextRef="MainI">WINDMACHIN</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">WINDSOR MACHINES LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:WhetherCompanyIsSME contextRef="MainD">false</in-capmkt:WhetherCompanyIsSME><in-capmkt:ISIN contextRef="MainI">INE052A01021</in-capmkt:ISIN><in-capmkt:TypeOfMeeting contextRef="MainI">Board Meeting</in-capmkt:TypeOfMeeting><in-capmkt:TypeOfIntimation contextRef="MainD">New</in-capmkt:TypeOfIntimation><in-capmkt:DateOfProposedMeeting contextRef="MainD">2026-11-03</in-capmkt:DateOfProposedMeeting><in-capmkt:WhetherTradingWindowIsClosed contextRef="MainD">true</in-capmkt:WhetherTradingWindowIsClosed><in-capmkt:DateOfStartOfTradingWindowClosure contextRef="MainI">2026-10-01</in-capmkt:DateOfStartOfTradingWindowClosure><in-capmkt:DetailsOfDateOfEndOfTradingWindowClosure contextRef="MainI">05-11-2026</in-capmkt:DetailsOfDateOfEndOfTradingWindowClosure><in-capmkt:DateOfReport contextRef="MainI">2026-10-28</in-capmkt:DateOfReport><in-capmkt:Agenda1 contextRef="MainD">Financial results</in-capmkt:Agenda1><in-capmkt:WhetherResultsAreAuditedOrUnaudited contextRef="MainD">Unaudited</in-capmkt:WhetherResultsAreAuditedOrUnaudited><in-capmkt:NatureOfReportStandaloneConsolidated contextRef="MainD">Standalone And Consolidated</in-capmkt:NatureOfReportStandaloneConsolidated><in-capmkt:ReportingPeriodType contextRef="MainD">Quarterly</in-capmkt:ReportingPeriodType><in-capmkt:MonthOfPeriodEnded contextRef="MainD">September</in-capmkt:MonthOfPeriodEnded><in-capmkt:YearOfPeriodEnded contextRef="MainI" unitRef="pure" decimals="0">2026</in-capmkt:YearOfPeriodEnded><in-capmkt:RemarksWebsiteDissemination contextRef="MainI">Pursuant to Regulation 29 and other applicable provisions of SEBI LODR Regulations, this is to inform you that the meeting of the Board of Directors of the Company is scheduled to be held on Tuesday, November 03, 2026, inter alia, to consider and approve the Un-audited Standalone and Consolidated Financial Results of the Company for the quarter and half year ended September 30, 2026 along with Limited Review Reports thereof;

The Trading Window for dealing in the equity shares of the Company shall continue to remain closed until 48 hours after the declaration of the Un-audited Standalone and Consolidated Financial Results of the Company for the quarter and half year ended September 30, 2026 in compliance with Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015.</in-capmkt:RemarksWebsiteDissemination></xbrli:xbrl>