<?xml version="1.0" encoding="UTF-8" standalone="no"?><!--OBM V1.0 (01-01-2026)--><xbrli:xbrl xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:in-capmkt="https://www.sebi.gov.in/xbrl/2024-05-31/in-capmkt" xmlns:in-capmkt-roles="https://www.sebi.gov.in/xbrl/Announcements_Pertaining_To_Outcome_Of_Board_Meeting/2024-05-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-types="https://www.sebi.gov.in/xbrl/2024-05-31/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.w3.org/1999/xlink" xmlns:xlink="http://www.w3.org/1999/xlink"><link:schemaRef xlink:href="in-capmkt-ent-2024-05-31.xsd" xlink:type="simple"/><xbrli:context id="MainD"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">526885</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-23</xbrli:startDate><xbrli:endDate>2026-04-23</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">526885</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-23</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="DividendD"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">526885</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-23</xbrli:startDate><xbrli:endDate>2026-04-23</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="DividendI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">526885</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-23</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="BuybackD"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">526885</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-23</xbrli:startDate><xbrli:endDate>2026-04-23</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="BuybackI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">526885</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-23</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="PreI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">526885</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-23</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="PostI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">526885</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-23</xbrli:instant></xbrli:period></xbrli:context><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><xbrli:unit id="shares"><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unit><in-capmkt:NSESymbol contextRef="MainI">SARLAPOLY</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">SARLA PERFORMANCE FIBERS LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:TypeOfAnnouncementOfBoardMeeting contextRef="MainD">New</in-capmkt:TypeOfAnnouncementOfBoardMeeting><in-capmkt:FirstEventOfBoardMeeting contextRef="MainD">Dividend</in-capmkt:FirstEventOfBoardMeeting><in-capmkt:SecondEventOfBoardMeeting contextRef="MainD">Buy-back</in-capmkt:SecondEventOfBoardMeeting><in-capmkt:DateOfReport contextRef="MainI">2026-04-23</in-capmkt:DateOfReport><in-capmkt:WhetherPriorIntimationOfBoardMeetingConsideringInterimOrFinalDividendGivenToStockExchange contextRef="DividendI">true</in-capmkt:WhetherPriorIntimationOfBoardMeetingConsideringInterimOrFinalDividendGivenToStockExchange><in-capmkt:DateOfPriorIntimationSubmittedToStockExchangeOnBoardMeetingToConsiderDeclarationOfInterimOrRecommendationOfFinalDividend contextRef="DividendI">2026-04-17</in-capmkt:DateOfPriorIntimationSubmittedToStockExchangeOnBoardMeetingToConsiderDeclarationOfInterimOrRecommendationOfFinalDividend><in-capmkt:DateOfBoardMeetingConsideringDeclarationOfInterimOrRecommendationOfFinalDividend contextRef="DividendI">2026-04-22</in-capmkt:DateOfBoardMeetingConsideringDeclarationOfInterimOrRecommendationOfFinalDividend><in-capmkt:StartTimeOfBoardMeetingForAnnouncementOfDividend contextRef="DividendD">17:38:00</in-capmkt:StartTimeOfBoardMeetingForAnnouncementOfDividend><in-capmkt:EndTimeOfBoardMeetingForAnnouncementOfDividend contextRef="DividendD">22:19:00</in-capmkt:EndTimeOfBoardMeetingForAnnouncementOfDividend><in-capmkt:WhetherDeclarationOfInterimDividendOrRecommendationOfFinalDividendApprovedByTheBoard contextRef="DividendD">Yes</in-capmkt:WhetherDeclarationOfInterimDividendOrRecommendationOfFinalDividendApprovedByTheBoard><in-capmkt:FirstTypeOfDividend contextRef="DividendD">Final</in-capmkt:FirstTypeOfDividend><in-capmkt:RateOfFinalDividendRecommendedPerEquityShare contextRef="DividendI">2</in-capmkt:RateOfFinalDividendRecommendedPerEquityShare><in-capmkt:WhetherRecordDateOrBookClosureBeenFixedForFinalDividend contextRef="DividendI">true</in-capmkt:WhetherRecordDateOrBookClosureBeenFixedForFinalDividend><in-capmkt:RecordDateOrBookClosureDateForFinalDividend contextRef="DividendD">Record Date</in-capmkt:RecordDateOrBookClosureDateForFinalDividend><in-capmkt:RecordDateOfFinalDividend contextRef="DividendI">2026-07-22</in-capmkt:RecordDateOfFinalDividend><in-capmkt:WhetherDateOfGeneralMeetingIsFixedForThePurposeOfFinalDividend contextRef="DividendI">true</in-capmkt:WhetherDateOfGeneralMeetingIsFixedForThePurposeOfFinalDividend><in-capmkt:DateOfGeneralMeetingForFinalDividend contextRef="DividendI">2026-07-29</in-capmkt:DateOfGeneralMeetingForFinalDividend><in-capmkt:ProposedDateWithinWhichPaymentOfFinalDividendShallBeMadeByTheCompanyForWhichGeneralMeetingDateHasBeenFixed contextRef="DividendI">2026-08-28</in-capmkt:ProposedDateWithinWhichPaymentOfFinalDividendShallBeMadeByTheCompanyForWhichGeneralMeetingDateHasBeenFixed><in-capmkt:PeriodForWhichFinalDividendIsDeclared contextRef="DividendI">For the financial year ended March 31, 2025</in-capmkt:PeriodForWhichFinalDividendIsDeclared><in-capmkt:TypeOfSecuritiesOfBuyback contextRef="BuybackD">Equity</in-capmkt:TypeOfSecuritiesOfBuyback><in-capmkt:DateOfBoardMeetingToConsiderTheDecisionOnBuybackOfSecurities contextRef="BuybackI">2026-04-22</in-capmkt:DateOfBoardMeetingToConsiderTheDecisionOnBuybackOfSecurities><in-capmkt:StartTimeOfBoardMeetingForAnnouncementOfBuyback contextRef="BuybackD">17:38:00</in-capmkt:StartTimeOfBoardMeetingForAnnouncementOfBuyback><in-capmkt:EndTimeOfBoardMeetingForAnnouncementOfBuyback contextRef="BuybackD">22:19:00</in-capmkt:EndTimeOfBoardMeetingForAnnouncementOfBuyback><in-capmkt:WhetherPriorIntimationOfBoardMeetingForConsideringBuybackOfSecuritiesFiledWithTheExchange contextRef="BuybackI">true</in-capmkt:WhetherPriorIntimationOfBoardMeetingForConsideringBuybackOfSecuritiesFiledWithTheExchange><in-capmkt:DateOfPriorIntimationSubmittedToStockExchangeOnBoardMeetingForConsideringBuybackOfSecuritiesFiledWithTheExchange contextRef="BuybackI">2026-04-17</in-capmkt:DateOfPriorIntimationSubmittedToStockExchangeOnBoardMeetingForConsideringBuybackOfSecuritiesFiledWithTheExchange><in-capmkt:WhetherDecisionOnBuybackOfSecuritiesApprovedByTheBoard contextRef="BuybackD">No</in-capmkt:WhetherDecisionOnBuybackOfSecuritiesApprovedByTheBoard><in-capmkt:NotesForDecisionOnBuybackOfSecuritiesNotApprovedOrDeferredByTheBoard contextRef="BuybackI">The Board deliberated on the proposal for buyback of equity shares of the Company and, after due consideration, decided to defer the matter for further evaluation. The same will be considered by the Board at its upcoming Board Meeting to be scheduled on May 11, 2026.</in-capmkt:NotesForDecisionOnBuybackOfSecuritiesNotApprovedOrDeferredByTheBoard><in-capmkt:PreBuybackNumberOfSharesUnderPromoterAndPromoterGroupCategory contextRef="PreI" decimals="INF" unitRef="shares">47651207</in-capmkt:PreBuybackNumberOfSharesUnderPromoterAndPromoterGroupCategory><in-capmkt:PreBuybackPercentageForPromoterAndPromoterGroupCategoryOfExistingShareCapital contextRef="PreI" decimals="INF" unitRef="pure">0.5707</in-capmkt:PreBuybackPercentageForPromoterAndPromoterGroupCategoryOfExistingShareCapital><in-capmkt:PreBuybackNumberOfSharesUnderPublicCategory contextRef="PreI" decimals="INF" unitRef="shares">35851793</in-capmkt:PreBuybackNumberOfSharesUnderPublicCategory><in-capmkt:PreBuybackPercentageForPublicCategoryOfExistingShareCapital contextRef="PreI" decimals="INF" unitRef="pure">0.4293</in-capmkt:PreBuybackPercentageForPublicCategoryOfExistingShareCapital><in-capmkt:PreBuybackNumberOfSharesUnderOtherCategory contextRef="PreI" decimals="INF" unitRef="shares">0</in-capmkt:PreBuybackNumberOfSharesUnderOtherCategory><in-capmkt:PreBuybackPercentageForOtherCategoryOfExistingShareCapital contextRef="PreI" decimals="INF" unitRef="pure">0</in-capmkt:PreBuybackPercentageForOtherCategoryOfExistingShareCapital><in-capmkt:PreBuybackNumberOfShares contextRef="PreI" decimals="INF" unitRef="shares">83503000</in-capmkt:PreBuybackNumberOfShares><in-capmkt:PreBuybackPercentageForTotalBuybackOfExistingShareCapital contextRef="PreI" decimals="INF" unitRef="pure">1</in-capmkt:PreBuybackPercentageForTotalBuybackOfExistingShareCapital><in-capmkt:WhetherPostBuybackShareholdingPatternAvailable contextRef="PostI">false</in-capmkt:WhetherPostBuybackShareholdingPatternAvailable><in-capmkt:NotesForUnAvailabilityOfPostBuybackShareholdingDetails contextRef="PostI">Buyback proposal deferred</in-capmkt:NotesForUnAvailabilityOfPostBuybackShareholdingDetails></xbrli:xbrl>