<?xml version="1.0" encoding="UTF-8" standalone="no"?><!--ICGIG--><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="http://www.bseindia.com/in-capmkt/Symbol">PENTAGON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2024-10-01</xbrli:startDate><xbrli:endDate>2024-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="http://www.bseindia.com/in-capmkt/Symbol">PENTAGON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="PY_I"><xbrli:entity><xbrli:identifier scheme="http://www.bseindia.com/in-capmkt/Symbol">PENTAGON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2024-09-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_ImpositionOfFineOrPenalty1"><xbrli:entity><xbrli:identifier scheme="http://www.bseindia.com/in-capmkt/Symbol">PENTAGON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ImpositionOfFineOrPenaltyAxis"><in-capmkt:ImpositionOfFineOrPenaltyDomain>ImpositionOfFineOrPenaltyDomain1</in-capmkt:ImpositionOfFineOrPenaltyDomain></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">PENTAGON</in-capmkt:Symbol><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE0ORS01017</in-capmkt:ISIN><in-capmkt:NameOfTheCompany contextRef="MainI">PENTAGON RUBBER LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:DateOfStartOfFinancialYear contextRef="MainI">2024-04-01</in-capmkt:DateOfStartOfFinancialYear><in-capmkt:DateOfEndOfFinancialYear contextRef="MainI">2025-03-31</in-capmkt:DateOfEndOfFinancialYear><in-capmkt:ReportingQuarter contextRef="MainI">Quarterly</in-capmkt:ReportingQuarter><in-capmkt:DateOfEndOfReportingPeriod contextRef="MainI">2024-12-31</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">As per Regulation 15 of SEBI (Listing Obligations and Disclosure Requirements) Regulation 2015, compliance with the corporate governance provisions as specified in regulations 17,[17A], 18, 19, 20, 21, 22, 23, 24, [24A,] 25, 26, [26A] and 27 are not applicable to theCompanies mentioned below: a) Companies having Paid up Equity Share Capital not exceed Rs.10 Crore and Net worth not exceeding Rs. 25 Crore, as on the last day of the previousFinancial Year. b) The Company which has listed its specified securities on the SME Exchange Accordingly, it may be noted that our Company has listed its specified securities on the SMEExchange and hence Corporate Governance provisions are not applicable to the Company.</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">There is no acquisition of shares or voting rights in unlisted companies during the quarter</in-capmkt:ReasonForPartCOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfAcquisitionOfSharesOrVotingRightsInUnlistedCompaniesIsNotApplicableToTheEntity><in-capmkt:WhetherPartDOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfImpositionOfFineOrPenaltyIsApplicableToTheEntity contextRef="MainD">true</in-capmkt:WhetherPartDOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfImpositionOfFineOrPenaltyIsApplicableToTheEntity><in-capmkt:WhetherPartEOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfUpdatesToOngoingTaxLitigationsOrDisputesIsApplicableToTheEntity contextRef="MainD">false</in-capmkt:WhetherPartEOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfUpdatesToOngoingTaxLitigationsOrDisputesIsApplicableToTheEntity><in-capmkt:ReasonForPartEOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfUpdatesToOngoingTaxLitigationsOrDisputesIsNotApplicableToTheEntity contextRef="MainD">There is no ongoing tax litigations or disputes during the quarter</in-capmkt:ReasonForPartEOfAnnexureIOfTheSEBICircularDated31December2024RelatedToDisclosureOfUpdatesToOngoingTaxLitigationsOrDisputesIsNotApplicableToTheEntity><in-capmkt:IsSCORESIDAvailable contextRef="MainI">true</in-capmkt:IsSCORESIDAvailable><in-capmkt:SCORESRegistrationID contextRef="MainI">COMP00899</in-capmkt:SCORESRegistrationID><in-capmkt:TypeOfSubmission contextRef="MainI">Original</in-capmkt:TypeOfSubmission><in-capmkt:NoOfInvestorComplaints contextRef="PY_I" decimals="0" unitRef="pure">0</in-capmkt:NoOfInvestorComplaints><in-capmkt:NoOfInvestorComplaintsReceivedDuringThePeriod contextRef="MainD" decimals="0" unitRef="pure">0</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">0</in-capmkt:NoOfInvestorComplaints><in-capmkt:NoOfInvestorComplaintsDuringThePeriod contextRef="MainD" decimals="0" unitRef="pure">0</in-capmkt:NoOfInvestorComplaintsDuringThePeriod><in-capmkt:NameOfTheAuthority contextRef="I_ImpositionOfFineOrPenalty1">National Stock Exchange of India</in-capmkt:NameOfTheAuthority><in-capmkt:NatureAndDetailsOfTheActionTakenOrOrderPassed contextRef="I_ImpositionOfFineOrPenalty1">Fine is levied for delay in compliance pertaining to Regulation 34 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 for which the company applied for waiver and then the fine was paid on 24.12.2024.</in-capmkt:NatureAndDetailsOfTheActionTakenOrOrderPassed><in-capmkt:DateOfReceiptOfDirectionOrOrderIncludingAnyAdInterimOrInterimOrdersOrAnyOtherCommunicationFromTheAuthority contextRef="I_ImpositionOfFineOrPenalty1">2024-10-21</in-capmkt:DateOfReceiptOfDirectionOrOrderIncludingAnyAdInterimOrInterimOrdersOrAnyOtherCommunicationFromTheAuthority><in-capmkt:DetailsOfTheViolationOrContraventionCommittedOrAllegedToBeCommitted contextRef="I_ImpositionOfFineOrPenalty1">Regulation 34</in-capmkt:DetailsOfTheViolationOrContraventionCommittedOrAllegedToBeCommitted><in-capmkt:ImpactOnFinancialOrOperationOrOtherActivitiesOfTheListedEntityQuantifiableInMonetaryTermsToTheExtentPossible contextRef="I_ImpositionOfFineOrPenalty1">RS 49,560</in-capmkt:ImpactOnFinancialOrOperationOrOtherActivitiesOfTheListedEntityQuantifiableInMonetaryTermsToTheExtentPossible></xbrli:xbrl>