<?xml version="1.0" encoding="UTF-8" standalone="no"?><!--IFFIndAs--><xbrli:xbrl xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:in-capmkt="http://www.sebi.gov.in/xbrl/2025-01-31/in-capmkt" xmlns:in-capmkt-ent="http://www.sebi.gov.in/xbrl/IntegratedFinance_IndAS/2025-01-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="http://www.sebi.gov.in/xbrl/IntegratedFinance_IndAS/2025-01-31/in-capmkt-roles" xmlns:in-capmkt-types="http://www.sebi.gov.in/xbrl/2025-01-31/in-capmkt-types" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:net="http://www.xbrl.org/2009/role/net" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:xlink="http://www.w3.org/1999/xlink"><link:schemaRef 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contextRef="OneD" decimals="INF" unitRef="INRPerShare">1</in-capmkt:FaceValueOfEquityShareCapital><in-capmkt:BasicEarningsLossPerShareFromContinuingOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">10.05</in-capmkt:BasicEarningsLossPerShareFromContinuingOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">10.05</in-capmkt:DilutedEarningsLossPerShareFromContinuingOperations><in-capmkt:BasicEarningsLossPerShareFromDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:BasicEarningsLossPerShareFromDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:DilutedEarningsLossPerShareFromDiscontinuedOperations><in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">10.05</in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">10.05</in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DebtEquityRatio contextRef="OneD" decimals="INF" unitRef="pure">0</in-capmkt:DebtEquityRatio><in-capmkt:DebtServiceCoverageRatio contextRef="OneD" decimals="INF" unitRef="pure">0</in-capmkt:DebtServiceCoverageRatio><in-capmkt:InterestServiceCoverageRatio contextRef="OneD" decimals="INF" unitRef="pure">0</in-capmkt:InterestServiceCoverageRatio><in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">1 The above results were reviewed by the Audit Committee and taken on record by the Board of Directors at their respective meetings held on 14082025 &lt;BR&gt; 
 &lt;BR&gt; 
2 The Groups business activity falls within a single primary business segment viz Manufacturing of Chemicals Hence there are no separate reportable segments as per Ind AS 108 Operating Segments &lt;BR&gt; 
 &lt;BR&gt; 
3 The figures for the Quarter ended 31st March 2025 are the balancing figures between the audited figures in respect of the full financial year and the year to date figures upto the third Quarter of the Financial year  &lt;BR&gt; 
 &lt;BR&gt; 
4 This statement has been prepared in accordance with companies Indian Accounting Standards rules 2015 Ind AS prescribed under section 133 of the Companies Act 2013 and other recognised accounting practices and policies to the extent applicable  &lt;BR&gt; 
 &lt;BR&gt; 
5 The Statutory auditors of the Group have carried out a limited review of the above unaudited consolidated financial results for the quarter ended June 30 2025 and have issued an unqualified review report The review report of the statutory auditors is being filed with the National Stock Exchange of India Limited NSE and BSE Ltd BSE and is also available on the Companys website &lt;BR&gt; 
 &lt;BR&gt; 
6 The figures for the corresponding previous periods have been regrouped and or reclassified wherever considered necessary</in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses1D">Power and Fuel Cost</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses1D" decimals="-5" unitRef="INR">381500000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses2D">Other Expenditure</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses2D" decimals="-5" unitRef="INR">434800000</in-capmkt:OtherExpenses><in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-5" unitRef="INR">1100000</in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-5" unitRef="INR">-300000</in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss><in-capmkt:OtherComprehensiveIncome contextRef="OneD" decimals="-5" unitRef="INR">-800000</in-capmkt:OtherComprehensiveIncome><in-capmkt:WhetherResultsAreAuditedOrUnauditedForImpactOfAuditQualification contextRef="OneD">Unaudited</in-capmkt:WhetherResultsAreAuditedOrUnauditedForImpactOfAuditQualification><in-capmkt:DeclarationPursuantToClauseDOfSubRegulation3OfRegulation33OfSEBILODRRegulation2015 contextRef="OneD">true</in-capmkt:DeclarationPursuantToClauseDOfSubRegulation3OfRegulation33OfSEBILODRRegulation2015><in-capmkt:AuditorsFirmName contextRef="D_Auditor1">M M NISSIM &amp; CO LLP</in-capmkt:AuditorsFirmName><in-capmkt:WhetherTheFirmHoldsAValidPeerReviewCertificateIssuedByPeerReviewBoardOfICAI contextRef="D_Auditor1">true</in-capmkt:WhetherTheFirmHoldsAValidPeerReviewCertificateIssuedByPeerReviewBoardOfICAI><in-capmkt:ValidityDateOfCertificate contextRef="D_Auditor1">2028-03-31</in-capmkt:ValidityDateOfCertificate></xbrli:xbrl>