<?xml version="1.0" encoding="UTF-8"?>
<xbrli:xbrl xmlns:in-capmkt="https://www.sebi.gov.in/xbrl/2023-05-31/in-capmkt" xmlns:in-capmkt-ent="https://www.sebi.gov.in/xbrl/Prior_Intimation_Of_Board_Meeting/2023-05-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="https://www.sebi.gov.in/xbrl/Prior_Intimation_Of_Board_Meeting/2023-05-31/in-capmkt-roles" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:in-capmkt-type="https://www.sebi.gov.in/xbrl/2023-05-31/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.xbrl.org/2003/XLink">
<link:schemaRef xlink:type="simple" xlink:href="in-capmkt-ent-2023-05-31.xsd"/>

<xbrli:unit id="INR"><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unit><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><xbrli:unit id="shares"><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unit><xbrli:unit id="INRPerShare"><xbrli:divide><xbrli:unitNumerator><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unitNumerator><xbrli:unitDenominator><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unitDenominator></xbrli:divide></xbrli:unit>
<in-capmkt:NSESymbol contextRef="OneI">CLEAN</in-capmkt:NSESymbol>
<in-capmkt:NameOfTheCompany contextRef="OneI">CLEAN SCIENCE AND TECHNOLOGY LIMITED</in-capmkt:NameOfTheCompany>
<in-capmkt:ISIN contextRef="OneI">INE227W01023</in-capmkt:ISIN>
<in-capmkt:TypeOfMeeting contextRef="OneI">Board Meeting</in-capmkt:TypeOfMeeting>
<in-capmkt:TypeOfIntimation contextRef="OneD">New</in-capmkt:TypeOfIntimation>
<in-capmkt:DateOfProposedMeeting contextRef="OneD">2025-11-06</in-capmkt:DateOfProposedMeeting>
<in-capmkt:WhetherTradingWindowIsClosed contextRef="OneD">Yes</in-capmkt:WhetherTradingWindowIsClosed>
<in-capmkt:DateOfStartOfTradingWindowClosure contextRef="OneI">2025-10-01</in-capmkt:DateOfStartOfTradingWindowClosure>
<in-capmkt:DetailsOfDateOfEndOfTradingWindowClosure contextRef="OneI">2025-11-08</in-capmkt:DetailsOfDateOfEndOfTradingWindowClosure>
<in-capmkt:Agenda1 contextRef="OneD">Financial results</in-capmkt:Agenda1>
<in-capmkt:WhetherResultsAreAuditedOrUnaudited contextRef="OneD">Unaudited</in-capmkt:WhetherResultsAreAuditedOrUnaudited>
<in-capmkt:NatureOfReportStandaloneConsolidated contextRef="OneD">Standalone And Consolidated</in-capmkt:NatureOfReportStandaloneConsolidated>
<in-capmkt:ReportingPeriodType contextRef="OneD">Half Yearly</in-capmkt:ReportingPeriodType>
<in-capmkt:MonthOfPeriodEnded contextRef="OneD">September</in-capmkt:MonthOfPeriodEnded>
<in-capmkt:YearOfPeriodEnded contextRef="OneI" unitRef="INR" decimals="0">2025</in-capmkt:YearOfPeriodEnded>
<in-capmkt:RemarksWebsiteDissemination contextRef="OneI">Intimation is hereby given that the meeting of the Board of Directors of the company will be held on Thursday, 6th November, 2025, to inter alia, Consider and approve unaudited standalone and consolidated Financial Results for the Quarter and Half Year ended 30th September, 2025</in-capmkt:RemarksWebsiteDissemination>
</xbrli:xbrl>