<?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">INDOBORAX</in-capmkt:NSESymbol>
<in-capmkt:NameOfTheCompany contextRef="OneI">INDO BORAX &amp; CHEMICALS LIMITED</in-capmkt:NameOfTheCompany>
<in-capmkt:ISIN contextRef="OneI">INE803D01021</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">2026-01-16</in-capmkt:DateOfProposedMeeting>
<in-capmkt:WhetherTradingWindowIsClosed contextRef="OneD">Yes</in-capmkt:WhetherTradingWindowIsClosed>
<in-capmkt:DateOfStartOfTradingWindowClosure contextRef="OneI">2026-01-01</in-capmkt:DateOfStartOfTradingWindowClosure>
<in-capmkt:DetailsOfDateOfEndOfTradingWindowClosure contextRef="OneI">2026-01-18</in-capmkt:DetailsOfDateOfEndOfTradingWindowClosure>
<in-capmkt:Agenda1 contextRef="OneD">Financial results</in-capmkt:Agenda1>
<in-capmkt:Agenda2 contextRef="OneD">Other business</in-capmkt:Agenda2>
<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">Quarterly</in-capmkt:ReportingPeriodType>
<in-capmkt:MonthOfPeriodEnded contextRef="OneD">December</in-capmkt:MonthOfPeriodEnded>
<in-capmkt:YearOfPeriodEnded contextRef="OneI" unitRef="INR" decimals="0">2025</in-capmkt:YearOfPeriodEnded>
<in-capmkt:RemarksWebsiteDissemination contextRef="OneI">Pursuant to regulation 29 of the SEBI Regulation, 2015, we hereby inform you that a Meeting of the Board of Directors of the Company is scheduled to be held on Friday, 16th January, 2026, inter alia to consider and approve, the unaudited financial results (standalone and consolidated) of the Company for the nine months and quarter ended 31st Decemebr,  2025  and to transact any other business that may be deemed necessary with the permission of the Chair.</in-capmkt:RemarksWebsiteDissemination>
</xbrli:xbrl>