<?xml version="1.0" encoding="UTF-8"?>
<!--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/NSESymbol">CARYSIL</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-08-10</xbrli:instant></xbrli:period></xbrli:context><xbrli:unit id="INR"><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unit><in-capmkt:NSESymbol contextRef="MainI">CARYSIL</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">CARYSIL LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">524091</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NA</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE482D01024</in-capmkt:ISIN><in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="MainI">Giving of guarantees or indemnity (Sub-para 11-Para B)</in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:TypeOfAnnouncementAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="MainI">New</in-capmkt:TypeOfAnnouncementAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting contextRef="MainI">true</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting><in-capmkt:DateOfBoardMeeting contextRef="MainI">2026-08-10</in-capmkt:DateOfBoardMeeting><in-capmkt:StartTimeOfTheMeeting contextRef="MainI">12:30:00</in-capmkt:StartTimeOfTheMeeting><in-capmkt:EndTimeOfTheMeeting contextRef="MainI">15:00:00</in-capmkt:EndTimeOfTheMeeting><in-capmkt:DateOfReport contextRef="MainI">2026-08-10</in-capmkt:DateOfReport><in-capmkt:EventTypeOfGuaranteeOrIndemnityOrSurety contextRef="MainI">Giving guarantees</in-capmkt:EventTypeOfGuaranteeOrIndemnityOrSurety><in-capmkt:NameOfPartyForWhomGuaranteeOrIndemnityOrSuretyWasGiven contextRef="MainI">Carysilnox Limited – subsidiary in which the Company holds 85% of the paid-up share capital</in-capmkt:NameOfPartyForWhomGuaranteeOrIndemnityOrSuretyWasGiven><in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupCompaniesHaveAnyInterestInGuaranteeOrIndemnityOrSuretyTransaction contextRef="MainI">true</in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupCompaniesHaveAnyInterestInGuaranteeOrIndemnityOrSuretyTransaction><in-capmkt:NatureOfInterestAndDetailsThereofInGuaranteeOrIndemnityOrSuretyTransaction contextRef="MainI">Mr. Chirag A. Parekh, Promoter and Chairman &amp; Managing Director of the Company, is also a Managing Director of Carysilnox Limited and holds 13.16% of paid up share capital of the Carysilnox Limited.

</in-capmkt:NatureOfInterestAndDetailsThereofInGuaranteeOrIndemnityOrSuretyTransaction><in-capmkt:WhetherTheGuaranteeOrIndemnityOrSuretyIsDoneAtArmsLength contextRef="MainI">true</in-capmkt:WhetherTheGuaranteeOrIndemnityOrSuretyIsDoneAtArmsLength><in-capmkt:BriefDetailsOfGuaranteeOrIndemnityOrSurety contextRef="MainI">The Company shall issue a Corporate Guarantee aggregating to Rs. 55.10 crore in favour of HDFC Bank Limited to secure the credit facilities availed/to be availed by Carysilnox Limited.
 
The Corporate Guarantee will remain valid until the outstanding loan is fully repaid or until released by the lender, whichever occurs first.
</in-capmkt:BriefDetailsOfGuaranteeOrIndemnityOrSurety><in-capmkt:SignificantTermsAndConditionsOfGuaranteeOrIndemnityOrSurety contextRef="MainI">The Company shall issue a Corporate Guarantee aggregating to Rs. 55.10 crore in favour of HDFC Bank Limited to secure the credit facilities availed/to be availed by Carysilnox Limited.
 
The Corporate Guarantee will remain valid until the outstanding loan is fully repaid or until released by the lender, whichever occurs first.
</in-capmkt:SignificantTermsAndConditionsOfGuaranteeOrIndemnityOrSurety><in-capmkt:AmountOfGuaranteeOrIndemnityOrSurety contextRef="MainI" unitRef="INR" decimals="0">551000000</in-capmkt:AmountOfGuaranteeOrIndemnityOrSurety><in-capmkt:ImpactOfGuaranteeOrIndemnityOrSuretyOnListedEntity contextRef="MainI">The Corporate Guarantee shall be disclosed as a contingent liability in the books of the Company. Based on the current assessment, the Company does not expect any adverse financial impact arising from the issuance of the said Corporate Guarantee.</in-capmkt:ImpactOfGuaranteeOrIndemnityOrSuretyOnListedEntity></xbrli:xbrl>
