<?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/ScripCode">544283</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-10-23</xbrli:instant></xbrli:period></xbrli:context><in-capmkt:NSESymbol contextRef="MainI">ACMESOLAR</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">ACME SOLAR HOLDINGS LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">544283</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE622W01025</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">2026-10-23</in-capmkt:DateOfOccurrenceOfEventOrInformation><in-capmkt:TimeOfOccurrenceOfEventOrInformation contextRef="MainI">17:07:00</in-capmkt:TimeOfOccurrenceOfEventOrInformation><in-capmkt:DateOfReport contextRef="MainI">2026-10-23</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">ACME Sigma Urja Private Limited</in-capmkt:NameOfUnitOrDivisionOfTheCompany><in-capmkt:DateOfCommencement contextRef="MainI">2026-10-25</in-capmkt:DateOfCommencement><in-capmkt:DetailsOfCommencement contextRef="MainI">In continuation of our intimation dated September 30, 2026, we wish to inform that ACME Solar Holdings Limited (“ASHL”), through its wholly owned subsidiary i.e. ACME Sigma Urja Private Limited, has additionally commissioned BESS component comprising 17.91 MW/74.323 MWh out of 250 MW / 1069 MWh (Discharge Capacity) of the FDRE Project located at Village: Neemri, Tehsil: Rawatbhata, District: Chittorgarh, Rajasthan on October 23, 2026. 

The Commercial operation date (COD) for the same shall be October 25, 2026.

With this, ACME Sigma Urja Private Limited has achieved cumulative commissioned BESS capacity of 71.640 MW / 297.292 MWh (Discharge capacity).</in-capmkt:DetailsOfCommencement><in-capmkt:WhetherPriorIntimationOfDateOfCommencementOfCommercialProductionOrOperationsWasGiven contextRef="MainI">false</in-capmkt:WhetherPriorIntimationOfDateOfCommencementOfCommercialProductionOrOperationsWasGiven></xbrli:xbrl>