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<!--REG30PARAB V1.0 (01-06-2026)-->
<xbrli:xbrl xmlns:in-capmkt="http://www.sebi.gov.in/xbrl/2026-04-30/in-capmkt" xmlns:in-capmkt-ent="http://www.sebi.gov.in/xbrl/Regulation_30_Para_B_Of_Part_A_Of_Schedule_III/2026-04-30/in-capmkt/in-capmkt-ent" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:in-capmkt-types="http://www.sebi.gov.in/xbrl/2026-04-30/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.w3.org/1999/xlink"><link:schemaRef xlink:type="simple" xlink:href="in-capmkt-ent-2026-04-30.xsd"/><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">513519</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-23</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_AtTheTimeOfBecomingPartyToLitigationOrAssessmentOrAdjudicationOrArbitrationOrDispute"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">513519</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-23</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:SubTypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIIIAxis">in-capmkt:AtTheTimeOfBecomingPartyToLitigationOrAssessmentOrAdjudicationOrArbitrationOrDisputeMember</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="I_OppositePartyAsPerSubPara8OfParaB1"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">513519</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-23</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:OppositePartyAsPerSubPara8OfParaBAxis"><in-capmkt:OppositePartyAsPerSubPara8OfParaBDomain>OppositePartyAsPerSubPara8OfParaBDomain1</in-capmkt:OppositePartyAsPerSubPara8OfParaBDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><in-capmkt:NSESymbol contextRef="MainI">PITTIENG</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">PITTI ENGINEERING LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">513519</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE450D01021</in-capmkt:ISIN><in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="MainI">Pendency of any litigation(s) or dispute(s) (Sub-para 8-Para B)</in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:SubTypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="I_AtTheTimeOfBecomingPartyToLitigationOrAssessmentOrAdjudicationOrArbitrationOrDispute">At the time of becoming the party to any litigation, assessment, adjudication, arbitration or dispute</in-capmkt:SubTypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:TypeOfAnnouncementAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="MainI">New</in-capmkt:TypeOfAnnouncementAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting contextRef="MainI">false</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting><in-capmkt:DateOfOccurrenceOfEventOrInformation contextRef="MainI">2026-09-23</in-capmkt:DateOfOccurrenceOfEventOrInformation><in-capmkt:TimeOfOccurrenceOfEventOrInformation contextRef="MainI">00:00:00</in-capmkt:TimeOfOccurrenceOfEventOrInformation><in-capmkt:DateOfReport contextRef="MainI">2026-09-23</in-capmkt:DateOfReport><in-capmkt:NameOfOppositeParties contextRef="I_OppositePartyAsPerSubPara8OfParaB1">1. Joint Commissioner of Central Tax, Bengaluru 2. Superintendent of Central Tax, Bengaluru, 3. Asst Commissioner of Central Tax, Bengaluru</in-capmkt:NameOfOppositeParties><in-capmkt:DateOfInitiationOfLitigation contextRef="I_OppositePartyAsPerSubPara8OfParaB1">2026-09-23</in-capmkt:DateOfInitiationOfLitigation><in-capmkt:NameOfAuthorityWhereLitigationIsFiled contextRef="I_OppositePartyAsPerSubPara8OfParaB1">Agency</in-capmkt:NameOfAuthorityWhereLitigationIsFiled><in-capmkt:DetailsOfAuthorityWhereLitigationIsFiled contextRef="I_OppositePartyAsPerSubPara8OfParaB1">First Appellate Authority, Commissioner of Central Tax (Appeals), Bengaluru</in-capmkt:DetailsOfAuthorityWhereLitigationIsFiled><in-capmkt:PartyToTheLitigation contextRef="I_OppositePartyAsPerSubPara8OfParaB1">Company</in-capmkt:PartyToTheLitigation><in-capmkt:DetailsOfPartyToTheLitigation contextRef="I_OppositePartyAsPerSubPara8OfParaB1">Pursuant to the amalgamation of Dakshin Foundry Private Limited with the Company, which became effective on 23rd September 2026, the litigation, along with all associated rights, obligations and liabilities, have vested in the Company</in-capmkt:DetailsOfPartyToTheLitigation><in-capmkt:BriefDetailsOfLitigationOrDispute contextRef="I_OppositePartyAsPerSubPara8OfParaB1">1. DFPL is contesting an order dated 22nd November 2025 passed by the Joint Commissioner of Central Tax, Bengaluru, for FY 2018-19 to FY 2022-23 relating to ITC availed. The demand comprises tax of INR 3.09 crores along with applicable interest and equivalent penalty thereon. 2. DFPL is contesting an order dated 11th November 2025 passed by the Superintendent of Central Tax, Bengaluru, for FY 2018-19 to FY 2022-23 relating to ITC, interest, penalties and an alleged RCM short-payment. The demand comprises tax of INR 0.01 crore, along with applicable interest and equivalent penalty thereon. 3. DFPL is contesting an order dated 31st October 2025 passed by Asst Commissioner of Central Tax, Bengaluru, for FY 2018-19 to FY 2022-23 relating ITC reversal, short payment of GST and wrong availing of GST. The demand comprises tax of INR1.81 crore, along with applicable interest and equivalent penalty thereon.</in-capmkt:BriefDetailsOfLitigationOrDispute><in-capmkt:ExpectedFinancialImplicationsOfLitigation contextRef="I_OppositePartyAsPerSubPara8OfParaB1">Total Demand of INR 4.91 crore along with applicable interest and equivalent penalty thereon. 
Based on merits of the case and the Company’s assessment, the Company believes that the demand is not sustainable and expects a favourable outcome. The matter is not expected to have any material impact on the Company's financial position or operations. 
The demand has been disclosed as a contingent liability in the Company's Consolidated Financial Statements.</in-capmkt:ExpectedFinancialImplicationsOfLitigation><in-capmkt:QuantumOfClaimsInLitigation contextRef="I_OppositePartyAsPerSubPara8OfParaB1">NA</in-capmkt:QuantumOfClaimsInLitigation></xbrli:xbrl>
