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<!--OBM V1.0 (01-01-2026)-->
<xbrli:xbrl 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:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:in-capmkt-types="https://www.sebi.gov.in/xbrl/2024-05-31/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.w3.org/1999/xlink"><link:schemaRef xlink:type="simple" xlink:href="in-capmkt-ent-2024-05-31.xsd"/><xbrli:context id="MainD"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500777</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-05-19</xbrli:startDate><xbrli:endDate>2026-05-19</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500777</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-05-19</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="DividendD"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500777</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-05-19</xbrli:startDate><xbrli:endDate>2026-05-19</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="DividendI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">500777</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-05-19</xbrli:instant></xbrli:period></xbrli:context><in-capmkt:NSESymbol contextRef="MainI">TNPETRO</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">TAMILNADU PETROPRODUCTS LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:TypeOfAnnouncementOfBoardMeeting contextRef="MainD">New</in-capmkt:TypeOfAnnouncementOfBoardMeeting><in-capmkt:FirstEventOfBoardMeeting contextRef="MainD">Dividend</in-capmkt:FirstEventOfBoardMeeting><in-capmkt:DateOfReport contextRef="MainI">2026-05-19</in-capmkt:DateOfReport><in-capmkt:WhetherPriorIntimationOfBoardMeetingConsideringInterimOrFinalDividendGivenToStockExchange contextRef="DividendI">true</in-capmkt:WhetherPriorIntimationOfBoardMeetingConsideringInterimOrFinalDividendGivenToStockExchange><in-capmkt:DateOfPriorIntimationSubmittedToStockExchangeOnBoardMeetingToConsiderDeclarationOfInterimOrRecommendationOfFinalDividend contextRef="DividendI">2026-05-14</in-capmkt:DateOfPriorIntimationSubmittedToStockExchangeOnBoardMeetingToConsiderDeclarationOfInterimOrRecommendationOfFinalDividend><in-capmkt:DateOfBoardMeetingConsideringDeclarationOfInterimOrRecommendationOfFinalDividend contextRef="DividendI">2026-05-19</in-capmkt:DateOfBoardMeetingConsideringDeclarationOfInterimOrRecommendationOfFinalDividend><in-capmkt:StartTimeOfBoardMeetingForAnnouncementOfDividend contextRef="DividendD">14:00:00</in-capmkt:StartTimeOfBoardMeetingForAnnouncementOfDividend><in-capmkt:EndTimeOfBoardMeetingForAnnouncementOfDividend contextRef="DividendD">15:45:00</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">0.15</in-capmkt:RateOfFinalDividendRecommendedPerEquityShare><in-capmkt:WhetherRecordDateOrBookClosureBeenFixedForFinalDividend contextRef="DividendI">false</in-capmkt:WhetherRecordDateOrBookClosureBeenFixedForFinalDividend><in-capmkt:NotesForRecordDateOrBookClosureHasNotBeenFixed contextRef="DividendI">Record date/ Book closure date will be fixed at the next Board Meeting (to be held during the month of August 2026) at the time of fixing the date of Annual General Meeting.</in-capmkt:NotesForRecordDateOrBookClosureHasNotBeenFixed><in-capmkt:WhetherDateOfGeneralMeetingIsFixedForThePurposeOfFinalDividend contextRef="DividendI">false</in-capmkt:WhetherDateOfGeneralMeetingIsFixedForThePurposeOfFinalDividend><in-capmkt:NotesForDateOfGeneralMeetingIsNotFixedForThePurposeOfFinalDividend contextRef="DividendI">Date of AGM will be fixed at the next Board Meeting during the month of August 2026</in-capmkt:NotesForDateOfGeneralMeetingIsNotFixedForThePurposeOfFinalDividend><in-capmkt:PeriodForWhichFinalDividendIsDeclared contextRef="DividendI">For the Financial year 2025-26</in-capmkt:PeriodForWhichFinalDividendIsDeclared></xbrli:xbrl>
