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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">532555</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-06-30</xbrli:instant></xbrli:period></xbrli:context><in-capmkt:NSESymbol contextRef="MainI">NTPC</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">NTPC LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">532555</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE733E01010</in-capmkt:ISIN><in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="MainI">Commencement or postponement (Sub-para 1-Para B)</in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:TypeOfAnnouncementAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="MainI">New</in-capmkt:TypeOfAnnouncementAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting contextRef="MainI">false</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting><in-capmkt:DateOfOccurrenceOfEventOrInformation contextRef="MainI">2026-06-30</in-capmkt:DateOfOccurrenceOfEventOrInformation><in-capmkt:TimeOfOccurrenceOfEventOrInformation contextRef="MainI">00:00:00</in-capmkt:TimeOfOccurrenceOfEventOrInformation><in-capmkt:DateOfReport contextRef="MainI">2026-06-30</in-capmkt:DateOfReport><in-capmkt:DisclosureForUnitOrDivisionOfTheCompany contextRef="MainI">Unit</in-capmkt:DisclosureForUnitOrDivisionOfTheCompany><in-capmkt:DisclosureForCommencementOfCommercialProductionOrCommercialOperationsOfTheCompany contextRef="MainI">Commercial operations</in-capmkt:DisclosureForCommencementOfCommercialProductionOrCommercialOperationsOfTheCompany><in-capmkt:NameOfUnitOrDivisionOfTheCompany contextRef="MainI">Solar PV Project at Ramagundam, Telangana</in-capmkt:NameOfUnitOrDivisionOfTheCompany><in-capmkt:DateOfCommencement contextRef="MainI">2026-06-30</in-capmkt:DateOfCommencement><in-capmkt:DetailsOfCommencement contextRef="MainI">Third and last part capacity of 41.6 MW out of 176 MW capacity</in-capmkt:DetailsOfCommencement><in-capmkt:WhetherPriorIntimationOfDateOfCommencementOfCommercialProductionOrOperationsWasGiven contextRef="MainI">false</in-capmkt:WhetherPriorIntimationOfDateOfCommencementOfCommercialProductionOrOperationsWasGiven></xbrli:xbrl>