<?xml version="1.0" encoding="UTF-8" standalone="no"?><!--ICGIG V1.1 (01-01-2026)--><xbrli:xbrl xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:in-capmkt="http://www.sebi.gov.in/xbrl/2024-12-31/in-capmkt" xmlns:in-capmkt-ent="http://www.sebi.gov.in/xbrl/IntegratedGovernance/2024-12-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="http://www.sebi.gov.in/xbrl/IntegratedGovernance/2024-12-31/in-capmkt-roles" xmlns:in-capmkt-types="http://www.sebi.gov.in/xbrl/2024-12-31/in-capmkt-types" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:net="http://www.xbrl.org/2009/role/net" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:xlink="http://www.w3.org/1999/xlink"><link:schemaRef xlink:href="in-capmkt-ent-2024-12-31.xsd" xlink:type="simple"/><xbrli:context id="MainD"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/Symbol">WINSOL</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2025-10-01</xbrli:startDate><xbrli:endDate>2025-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/Symbol">WINSOL</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="PY_I"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/Symbol">WINSOL</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2025-09-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_OngoingTaxLitigationsOrDisputes1"><xbrli:entity><xbrli:identifier 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id="I_OngoingTaxLitigationsOrDisputes3"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/Symbol">WINSOL</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:OngoingTaxLitigationsOrDisputesAxis"><in-capmkt:OngoingTaxLitigationsOrDisputesDomain>OngoingTaxLitigationsOrDisputesDomain3</in-capmkt:OngoingTaxLitigationsOrDisputesDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><in-capmkt:ScripCode contextRef="MainI">000000</in-capmkt:ScripCode><in-capmkt:Symbol contextRef="MainI">WINSOL</in-capmkt:Symbol><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE0S3D01016</in-capmkt:ISIN><in-capmkt:NameOfTheCompany contextRef="MainI">Winsol Engineers Limited</in-capmkt:NameOfTheCompany><in-capmkt:DateOfStartOfFinancialYear contextRef="MainI">2025-04-01</in-capmkt:DateOfStartOfFinancialYear><in-capmkt:DateOfEndOfFinancialYear contextRef="MainI">2026-03-31</in-capmkt:DateOfEndOfFinancialYear><in-capmkt:ReportingQuarter contextRef="MainI">Quarterly</in-capmkt:ReportingQuarter><in-capmkt:DateOfEndOfReportingPeriod contextRef="MainI">2025-12-31</in-capmkt:DateOfEndOfReportingPeriod><in-capmkt:TypeOfCompany contextRef="MainD">SME</in-capmkt:TypeOfCompany><in-capmkt:WhetherPartAOfAnnexureIOfTheSEBICircularDated31December2024RelatedToComplianceReportOnCorporateGovernanceIsApplicableToTheEntity contextRef="MainD">false</in-capmkt:WhetherPartAOfAnnexureIOfTheSEBICircularDated31December2024RelatedToComplianceReportOnCorporateGovernanceIsApplicableToTheEntity><in-capmkt:ReasonForPartAOfAnnexureIOfTheSEBICircularDated31December2024RelatedToComplianceReportOnCorporateGovernanceIsNotApplicableToTheEntity contextRef="MainD">The Company is fulfilling the Non-Applicability criteria as provided under Regulation 15(2)(b) of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, i.e. Equity Shares of our Company are listed at NSE India Limited (SME EMERGE Platform). Therefore, in line with the exemption provided under Regulation 15(2)(b) of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, the Company is not required to file quarterly/ half yearly/ yearly Corporate Governance Report as per Regulation 27 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015.</in-capmkt:ReasonForPartAOfAnnexureIOfTheSEBICircularDated31December2024RelatedToComplianceReportOnCorporateGovernanceIsNotApplicableToTheEntity><in-capmkt:WhetherPartBOfAnnexureIOfTheSEBICircularDated31December2024RelatedToInvestorGrievanceRedressalReportIsApplicableToTheEntity contextRef="MainD">true</in-capmkt:WhetherPartBOfAnnexureIOfTheSEBICircularDated31December2024RelatedToInvestorGrievanceRedressalReportIsApplicableToTheEntity><in-capmkt:WhetherPartCOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfAcquisitionOfSharesOrVotingRightsInUnlistedCompaniesIsApplicableToTheEntity contextRef="MainD">false</in-capmkt:WhetherPartCOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfAcquisitionOfSharesOrVotingRightsInUnlistedCompaniesIsApplicableToTheEntity><in-capmkt:ReasonForPartCOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfAcquisitionOfSharesOrVotingRightsInUnlistedCompaniesIsNotApplicableToTheEntity contextRef="MainD">The Company has not acquired shares or voting rights in unlisted companies during the quarter in terms of the provisions of Para A(1) of Part A of Schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015.</in-capmkt:ReasonForPartCOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfAcquisitionOfSharesOrVotingRightsInUnlistedCompaniesIsNotApplicableToTheEntity><in-capmkt:WhetherPartDOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfImpositionOfFineOrPenaltyIsApplicableToTheEntity contextRef="MainD">false</in-capmkt:WhetherPartDOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfImpositionOfFineOrPenaltyIsApplicableToTheEntity><in-capmkt:ReasonForPartDOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfImpositionOfFineOrPenaltyIsNotApplicableToTheEntity contextRef="MainD">There has been no fine or penalty imposed, in terms of Regulation 30 read with Schedule III, Part A, Paragraph A (20) of LODR, 2015, read with SEBI Circular dated December 31, 2024, during the quarter ended December 31, 2025.</in-capmkt:ReasonForPartDOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfImpositionOfFineOrPenaltyIsNotApplicableToTheEntity><in-capmkt:WhetherPartEOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfUpdatesToOngoingTaxLitigationsOrDisputesIsApplicableToTheEntity contextRef="MainD">true</in-capmkt:WhetherPartEOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfUpdatesToOngoingTaxLitigationsOrDisputesIsApplicableToTheEntity><in-capmkt:IsSCORESIDAvailable contextRef="MainI">true</in-capmkt:IsSCORESIDAvailable><in-capmkt:SCORESRegistrationID contextRef="MainI">COMW00185</in-capmkt:SCORESRegistrationID><in-capmkt:TypeOfSubmission contextRef="MainI">Original</in-capmkt:TypeOfSubmission><in-capmkt:NoOfInvestorComplaints contextRef="PY_I" decimals="0" unitRef="pure">1</in-capmkt:NoOfInvestorComplaints><in-capmkt:NoOfInvestorComplaintsReceivedDuringThePeriod contextRef="MainD" decimals="0" unitRef="pure">2</in-capmkt:NoOfInvestorComplaintsReceivedDuringThePeriod><in-capmkt:NoOfInvestorComplaintsDisposedOffDuringThePeriod contextRef="MainD" decimals="0" unitRef="pure">0</in-capmkt:NoOfInvestorComplaintsDisposedOffDuringThePeriod><in-capmkt:NoOfInvestorComplaints contextRef="MainI" decimals="0" unitRef="pure">3</in-capmkt:NoOfInvestorComplaints><in-capmkt:NoOfInvestorComplaintsDuringThePeriod contextRef="MainD" decimals="0" unitRef="pure">2</in-capmkt:NoOfInvestorComplaintsDuringThePeriod><in-capmkt:NameOfTheOpposingParty contextRef="I_OngoingTaxLitigationsOrDisputes1">Deputy Commissioner of State Tax</in-capmkt:NameOfTheOpposingParty><in-capmkt:DateOfInitiationOfTheLitigationDispute contextRef="I_OngoingTaxLitigationsOrDisputes1">2024-12-30</in-capmkt:DateOfInitiationOfTheLitigationDispute><in-capmkt:StatusOfTheLitigationDisputeAsPerLastDisclosure contextRef="I_OngoingTaxLitigationsOrDisputes1">The State Tax Officer, Enforcement Division-11, Junagadh, has issued an order under FORM GST DRC-07 dated 30th December 2024, for FY 2021-22, alleging wrongful availment of Input Tax Credit (ITC) amounting to ₹71.80 Lakh. Further,The total liability, including interest and penalty, stands at ₹1.80 Crore.</in-capmkt:StatusOfTheLitigationDisputeAsPerLastDisclosure><in-capmkt:CurrentStatusOfTheLitigationOrDispute contextRef="I_OngoingTaxLitigationsOrDisputes1">After evaluating the order and reviewing the available legal remedies, the Company has filed an appeal challenging the said order. The proceedings are currently ongoing, and there has been no change in the status of the litigation during the reporting period.</in-capmkt:CurrentStatusOfTheLitigationOrDispute><in-capmkt:NameOfTheOpposingParty contextRef="I_OngoingTaxLitigationsOrDisputes2">Deputy Commissioner of State Tax</in-capmkt:NameOfTheOpposingParty><in-capmkt:DateOfInitiationOfTheLitigationDispute contextRef="I_OngoingTaxLitigationsOrDisputes2">2024-12-30</in-capmkt:DateOfInitiationOfTheLitigationDispute><in-capmkt:StatusOfTheLitigationDisputeAsPerLastDisclosure contextRef="I_OngoingTaxLitigationsOrDisputes2">The State Tax Officer, Enforcement Division-11, Junagadh, has issued an order under FORM GST DRC-07 dated 30th December 2024, for FY 2022-23, alleging wrongful availment of Input Tax Credit (ITC) amounting to ₹67.55 Lakh. Further,The total liability, including interest and penalty, stands at ₹1.62 Crore.</in-capmkt:StatusOfTheLitigationDisputeAsPerLastDisclosure><in-capmkt:CurrentStatusOfTheLitigationOrDispute contextRef="I_OngoingTaxLitigationsOrDisputes2">After evaluating the order and reviewing the available legal remedies, the Company has filed an appeal challenging the said order. The proceedings are currently ongoing, and there has been no change in the status of the litigation during the reporting period.</in-capmkt:CurrentStatusOfTheLitigationOrDispute><in-capmkt:NameOfTheOpposingParty contextRef="I_OngoingTaxLitigationsOrDisputes3">Deputy Commissioner of State Tax</in-capmkt:NameOfTheOpposingParty><in-capmkt:DateOfInitiationOfTheLitigationDispute contextRef="I_OngoingTaxLitigationsOrDisputes3">2024-12-30</in-capmkt:DateOfInitiationOfTheLitigationDispute><in-capmkt:StatusOfTheLitigationDisputeAsPerLastDisclosure contextRef="I_OngoingTaxLitigationsOrDisputes3">The State Tax Officer, Enforcement Division-11, Junagadh, has issued an order under FORM GST DRC-07 dated 30th December 2024, for FY 2023-24, alleging wrongful availment of Input Tax Credit (ITC) amounting to ₹53.97 Lakh. Further, The total liability, including interest and penalty, stands at ₹1.22 Crore.</in-capmkt:StatusOfTheLitigationDisputeAsPerLastDisclosure><in-capmkt:CurrentStatusOfTheLitigationOrDispute contextRef="I_OngoingTaxLitigationsOrDisputes3">After evaluating the order and reviewing the available legal remedies, the Company has filed an appeal challenging the said order. The proceedings are currently ongoing, and there has been no change in the status of the litigation during the reporting period.</in-capmkt:CurrentStatusOfTheLitigationOrDispute></xbrli:xbrl>