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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">540774</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-10-14</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_TerminationOfAgreement"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">540774</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-10-14</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:SubTypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIIIAxis">in-capmkt:TerminationOfAgreementMember</xbrldi:explicitMember></xbrli:scenario></xbrli:context><in-capmkt:NSESymbol contextRef="MainI">IFGLEXPOR</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">IFGL REFRACTORIES LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">540774</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE133Y01011</in-capmkt:ISIN><in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="MainI">Agreements (Sub-para 5-Para B)</in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:SubTypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="I_TerminationOfAgreement">Termination of agreement</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">2026-10-14</in-capmkt:DateOfOccurrenceOfEventOrInformation><in-capmkt:TimeOfOccurrenceOfEventOrInformation contextRef="MainI">11:45:00</in-capmkt:TimeOfOccurrenceOfEventOrInformation><in-capmkt:DateOfReport contextRef="MainI">2026-10-14</in-capmkt:DateOfReport><in-capmkt:TypeOfTerminationOfAgreement contextRef="MainI">Others</in-capmkt:TypeOfTerminationOfAgreement><in-capmkt:DetailsOfOtherTypeOfTerminationOfAgreement contextRef="MainI">Joint Venture Agreement</in-capmkt:DetailsOfOtherTypeOfTerminationOfAgreement><in-capmkt:DateOfInitialDisclosureOfTheExecutionOfTheAgreementToTheStockExchangeForTerminationOfAgreement contextRef="MainI">2024-10-14</in-capmkt:DateOfInitialDisclosureOfTheExecutionOfTheAgreementToTheStockExchangeForTerminationOfAgreement><in-capmkt:BriefDetailsOfTerminationOfAgreement contextRef="MainI">Pursuant to mutual discussions, the parties have agreed to terminate the Joint Venture Agreement</in-capmkt:BriefDetailsOfTerminationOfAgreement><in-capmkt:NamesOfPartiesWithWhomTheAgreementWasEntered contextRef="MainI">Marvels International Group Company Limited (Seychelles), and Marvel Refractories (Anshan) Company Limited (People’s Republic of China), majority shares whereof is held by US Citizen, Mr. Yi Chun Lu</in-capmkt:NamesOfPartiesWithWhomTheAgreementWasEntered><in-capmkt:NatureOfTheAgreementForTerminationOfAgreement contextRef="MainI">Joint venture for setting up a manufacturing facility in India for manufacture of  (a) Basic Fired Magnesite Spinel Bricks, (b) Basic Fired Magnesite Bricks and (c) Fired Magnesia Chrome Bricks in India, through a joint venture public company, IFGL-Marvels Refractories Limited, with an envisaged shareholding of 51% by the Company and 49% by Marvels International Group Company Limited (Seychelles)</in-capmkt:NatureOfTheAgreementForTerminationOfAgreement><in-capmkt:DateOfExecutionOfTheTerminationOfAgreement contextRef="MainI">2024-10-14</in-capmkt:DateOfExecutionOfTheTerminationOfAgreement><in-capmkt:ReasonForTerminatingTheAgreement contextRef="MainI">Pursuant to discussions, the parties have agreed to terminate the Joint Venture Agreement</in-capmkt:ReasonForTerminatingTheAgreement><in-capmkt:DetailsOfImpactOfTerminationOfTheAgreement contextRef="MainI">No material financial or operational impact on the Company is presently envisaged. The Company shall make further disclosures, if required, in accordance with applicable laws and regulations.  Further, in view of the fact that Marvels International Group Company Limited (Seychelles) did not subscribe to any shares, there is no change in the shareholding of the Joint Venture Entity owing to the termination of the Joint Venture Agreement and entire shareholding of Joint Venture Entity is held by the Company.</in-capmkt:DetailsOfImpactOfTerminationOfTheAgreement></xbrli:xbrl>
