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<!--SAIIM V1.0 (22-04-2026)-->
<xbrli:xbrl xmlns:in-capmkt="http://www.sebi.gov.in/xbrl/2026-03-31/in-capmkt" xmlns:in-capmkt-ent="http://www.sebi.gov.in/xbrl/Schedule_Of_Analysts_Or_Institutional_Investors_Meeting/2026-03-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="http://www.sebi.gov.in/xbrl/Schedule_Of_Analysts_Or_Institutional_Investors_Meeting/2026-03-31/in-capmkt-roles" 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/2026-03-31/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-2026-03-31.xsd"/><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">543318</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-10-31</xbrli:instant></xbrli:period></xbrli:context><in-capmkt:NSESymbol contextRef="MainI">CLEAN</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">Clean Science and Technology Limited</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">543318</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE227W01023</in-capmkt:ISIN><in-capmkt:TypeOfAnnouncement contextRef="MainI">New</in-capmkt:TypeOfAnnouncement><in-capmkt:PurposeOfDisclosure contextRef="MainI">Audio Recording/Video Recording</in-capmkt:PurposeOfDisclosure><in-capmkt:DateOfReport contextRef="MainI">2026-10-31</in-capmkt:DateOfReport><in-capmkt:TypeOfAudioRecordingOrVideoRecording contextRef="MainI">Audio Recording</in-capmkt:TypeOfAudioRecordingOrVideoRecording><in-capmkt:DateOfCallForAudioRecording contextRef="MainI">2026-10-31</in-capmkt:DateOfCallForAudioRecording><in-capmkt:TimeOfConclusionOfCallForAudioRecording contextRef="MainI">16:29:00</in-capmkt:TimeOfConclusionOfCallForAudioRecording><in-capmkt:DateOfDisclosureOfPriorIntimationOfEarningsCallToTheExchangeForAudioRecording contextRef="MainI">2026-10-22</in-capmkt:DateOfDisclosureOfPriorIntimationOfEarningsCallToTheExchangeForAudioRecording><in-capmkt:DateOfAudioRecordingUploadedOnWebsiteOfCompany contextRef="MainI">2026-10-31</in-capmkt:DateOfAudioRecordingUploadedOnWebsiteOfCompany><in-capmkt:TimeOfAudioRecordingUploadedOnWebsiteOfCompany contextRef="MainI">17:46:00</in-capmkt:TimeOfAudioRecordingUploadedOnWebsiteOfCompany><in-capmkt:WeblinkOfAudioRecording contextRef="MainI">https://cleanscience.co.in/wp-content/uploads/2026/07/Recording_of_Con_call_31102026.mp3</in-capmkt:WeblinkOfAudioRecording><in-capmkt:RemarksForWebsiteDisseminationForAudioRecordingOrVideoRecording contextRef="MainI">Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform you that the audio recording of the Earnings Call for the quarter and half year ended 30th September, 2026, held today, i.e., 31st October 2026, has been uploaded on the Companys website. &lt;br /&gt; 
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