<?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 xlink:href="in-capmkt-ent-2025-01-31.xsd" xlink:type="simple"/><xbrli:context id="OneD"><xbrli:entity><xbrli:identifier scheme="http://www.bseindia.com/in-capmkt/ScripCode">539336</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2025-04-01</xbrli:startDate><xbrli:endDate>2025-06-30</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="OneExpenses1D"><xbrli:entity><xbrli:identifier scheme="http://www.bseindia.com/in-capmkt/ScripCode">539336</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2025-04-01</xbrli:startDate><xbrli:endDate>2025-06-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:DetailsOfOtherExpensesAxis">in-capmkt:OtherExpenses1Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="OneExpenses2D"><xbrli:entity><xbrli:identifier scheme="http://www.bseindia.com/in-capmkt/ScripCode">539336</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2025-04-01</xbrli:startDate><xbrli:endDate>2025-06-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:DetailsOfOtherExpensesAxis">in-capmkt:OtherExpenses2Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss11"><xbrli:entity><xbrli:identifier scheme="http://www.bseindia.com/in-capmkt/ScripCode">539336</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2025-04-01</xbrli:startDate><xbrli:endDate>2025-06-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ItemsThatWillNotBeReclassifiedToProfitAndLossAxis"><in-capmkt:ItemsThatWillNotBeReclassifiedToProfitAndLossDomain>ItemsThatWillNotBeReclassifiedToProfitAndLoss1</in-capmkt:ItemsThatWillNotBeReclassifiedToProfitAndLossDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss12"><xbrli:entity><xbrli:identifier scheme="http://www.bseindia.com/in-capmkt/ScripCode">539336</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2025-04-01</xbrli:startDate><xbrli:endDate>2025-06-30</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ItemsThatWillNotBeReclassifiedToProfitAndLossAxis"><in-capmkt:ItemsThatWillNotBeReclassifiedToProfitAndLossDomain>ItemsThatWillNotBeReclassifiedToProfitAndLoss2</in-capmkt:ItemsThatWillNotBeReclassifiedToProfitAndLossDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:unit id="INR"><xbrli:measure>iso4217:INR</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:ScripCode contextRef="OneD">539336</in-capmkt:ScripCode><in-capmkt:Symbol contextRef="OneD">GUJGASLTD</in-capmkt:Symbol><in-capmkt:MSEISymbol contextRef="OneD">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="OneD">INE844O01030</in-capmkt:ISIN><in-capmkt:NameOfTheCompany contextRef="OneD">Gujarat Gas Limited</in-capmkt:NameOfTheCompany><in-capmkt:TypeOfCompany contextRef="OneD">Main Board</in-capmkt:TypeOfCompany><in-capmkt:ClassOfSecurity contextRef="OneD">Equity</in-capmkt:ClassOfSecurity><in-capmkt:DateOfStartOfFinancialYear contextRef="OneD">2025-04-01</in-capmkt:DateOfStartOfFinancialYear><in-capmkt:DateOfEndOfFinancialYear contextRef="OneD">2026-03-31</in-capmkt:DateOfEndOfFinancialYear><in-capmkt:DateOfBoardMeetingWhenFinancialResultsWereApproved contextRef="OneD">2025-08-05</in-capmkt:DateOfBoardMeetingWhenFinancialResultsWereApproved><in-capmkt:DateOnWhichPriorIntimationOfTheMeetingForConsideringFinancialResultsWasInformedToTheExchange contextRef="OneD">2025-06-27</in-capmkt:DateOnWhichPriorIntimationOfTheMeetingForConsideringFinancialResultsWasInformedToTheExchange><in-capmkt:DescriptionOfPresentationCurrency contextRef="OneD">INR</in-capmkt:DescriptionOfPresentationCurrency><in-capmkt:LevelOfRounding contextRef="OneD">Crores</in-capmkt:LevelOfRounding><in-capmkt:TypeOfReportingPeriod contextRef="OneD">Quarterly</in-capmkt:TypeOfReportingPeriod><in-capmkt:ReportingQuarter contextRef="OneD">First quarter</in-capmkt:ReportingQuarter><in-capmkt:IsCompanyReportingMultisegmentOrSingleSegment contextRef="OneD">Single segment</in-capmkt:IsCompanyReportingMultisegmentOrSingleSegment><in-capmkt:DescriptionOfSingleSegment contextRef="OneD">Natural Gas</in-capmkt:DescriptionOfSingleSegment><in-capmkt:DateOfStartOfBoardMeeting contextRef="OneD">2025-08-05</in-capmkt:DateOfStartOfBoardMeeting><in-capmkt:StartTimeOfBoardMeeting contextRef="OneD">15:00:00</in-capmkt:StartTimeOfBoardMeeting><in-capmkt:DateOfEndOfBoardMeeting contextRef="OneD">2025-08-05</in-capmkt:DateOfEndOfBoardMeeting><in-capmkt:EndTimeOfBoardMeeting contextRef="OneD">16:40:00</in-capmkt:EndTimeOfBoardMeeting><in-capmkt:DeclarationOfUnmodifiedOpinionOrStatementOnImpactOfAuditQualification contextRef="OneD">Not applicable</in-capmkt:DeclarationOfUnmodifiedOpinionOrStatementOnImpactOfAuditQualification><in-capmkt:DateOfStartOfReportingPeriod contextRef="OneD">2025-04-01</in-capmkt:DateOfStartOfReportingPeriod><in-capmkt:DateOfEndOfReportingPeriod contextRef="OneD">2025-06-30</in-capmkt:DateOfEndOfReportingPeriod><in-capmkt:WhetherResultsAreAuditedOrUnaudited contextRef="OneD">Unaudited</in-capmkt:WhetherResultsAreAuditedOrUnaudited><in-capmkt:NatureOfReportStandaloneConsolidated contextRef="OneD">Consolidated</in-capmkt:NatureOfReportStandaloneConsolidated><in-capmkt:RevenueFromOperations contextRef="OneD" decimals="-5" unitRef="INR">40654100000</in-capmkt:RevenueFromOperations><in-capmkt:OtherIncome contextRef="OneD" decimals="-5" unitRef="INR">593600000</in-capmkt:OtherIncome><in-capmkt:Income contextRef="OneD" decimals="-5" unitRef="INR">41247700000</in-capmkt:Income><in-capmkt:CostOfMaterialsConsumed contextRef="OneD" decimals="-5" unitRef="INR">30022100000</in-capmkt:CostOfMaterialsConsumed><in-capmkt:PurchasesOfStockInTrade contextRef="OneD" decimals="-7" unitRef="INR">0</in-capmkt:PurchasesOfStockInTrade><in-capmkt:ChangesInInventoriesOfFinishedGoodsWorkInProgressAndStockInTrade contextRef="OneD" decimals="-5" unitRef="INR">5800000</in-capmkt:ChangesInInventoriesOfFinishedGoodsWorkInProgressAndStockInTrade><in-capmkt:EmployeeBenefitExpense contextRef="OneD" decimals="-5" unitRef="INR">495400000</in-capmkt:EmployeeBenefitExpense><in-capmkt:FinanceCosts contextRef="OneD" decimals="-5" unitRef="INR">79300000</in-capmkt:FinanceCosts><in-capmkt:DepreciationDepletionAndAmortisationExpense contextRef="OneD" decimals="-5" unitRef="INR">1314300000</in-capmkt:DepreciationDepletionAndAmortisationExpense><in-capmkt:OtherExpenses contextRef="OneD" decimals="-5" unitRef="INR">4932100000</in-capmkt:OtherExpenses><in-capmkt:Expenses contextRef="OneD" decimals="-6" unitRef="INR">36849000000</in-capmkt:Expenses><in-capmkt:ProfitBeforeExceptionalItemsAndTax contextRef="OneD" decimals="-5" unitRef="INR">4398700000</in-capmkt:ProfitBeforeExceptionalItemsAndTax><in-capmkt:ExceptionalItemsBeforeTax contextRef="OneD" decimals="-7" unitRef="INR">0</in-capmkt:ExceptionalItemsBeforeTax><in-capmkt:ProfitBeforeTax contextRef="OneD" decimals="-5" unitRef="INR">4398700000</in-capmkt:ProfitBeforeTax><in-capmkt:CurrentTax contextRef="OneD" decimals="-5" unitRef="INR">1032200000</in-capmkt:CurrentTax><in-capmkt:DeferredTax contextRef="OneD" decimals="-5" unitRef="INR">98800000</in-capmkt:DeferredTax><in-capmkt:TaxExpense contextRef="OneD" decimals="-6" unitRef="INR">1131000000</in-capmkt:TaxExpense><in-capmkt:NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndTheRelatedDeferredTaxMovement contextRef="OneD" decimals="-7" unitRef="INR">0</in-capmkt:NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndTheRelatedDeferredTaxMovement><in-capmkt:ProfitLossForPeriodFromContinuingOperations contextRef="OneD" decimals="-5" unitRef="INR">3267700000</in-capmkt:ProfitLossForPeriodFromContinuingOperations><in-capmkt:ProfitLossFromDiscontinuedOperationsBeforeTax contextRef="OneD" decimals="-7" unitRef="INR">0</in-capmkt:ProfitLossFromDiscontinuedOperationsBeforeTax><in-capmkt:TaxExpenseOfDiscontinuedOperations contextRef="OneD" decimals="-7" unitRef="INR">0</in-capmkt:TaxExpenseOfDiscontinuedOperations><in-capmkt:ProfitLossFromDiscontinuedOperationsAfterTax contextRef="OneD" decimals="-7" unitRef="INR">0</in-capmkt:ProfitLossFromDiscontinuedOperationsAfterTax><in-capmkt:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod contextRef="OneD" decimals="-5" unitRef="INR">8700000</in-capmkt:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod><in-capmkt:ProfitLossForPeriod contextRef="OneD" decimals="-5" unitRef="INR">3276400000</in-capmkt:ProfitLossForPeriod><in-capmkt:OtherComprehensiveIncomeNetOfTaxes contextRef="OneD" decimals="-5" unitRef="INR">13500000</in-capmkt:OtherComprehensiveIncomeNetOfTaxes><in-capmkt:ComprehensiveIncomeForThePeriod contextRef="OneD" decimals="-5" unitRef="INR">3289900000</in-capmkt:ComprehensiveIncomeForThePeriod><in-capmkt:PaidUpValueOfEquityShareCapital contextRef="OneD" decimals="-5" unitRef="INR">1376800000</in-capmkt:PaidUpValueOfEquityShareCapital><in-capmkt:FaceValueOfEquityShareCapital contextRef="OneD" decimals="INF" unitRef="INRPerShare">2</in-capmkt:FaceValueOfEquityShareCapital><in-capmkt:BasicEarningsLossPerShareFromContinuingOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">4.76</in-capmkt:BasicEarningsLossPerShareFromContinuingOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">4.76</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">4.76</in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">4.76</in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">1	The above financial results were reviewed and recommended by the Audit Committee and approved by the Board of Directors at its meeting held on 5th August, 2025 at Gandhinagar, Gujarat.				 &lt;BR&gt; 
2	These financial statements have been prepared in accordance with the Indian Accounting Standards Ind AS notified under section 133 of the Companies Act, 2013, read together with the Companies Indian Accounting Standards  Ind AS Rules issued thereafter and the provisions of the Companies Act 2013, as applicable and guidelines issued by the Securities and Exchange Board of India SEBI and other recognised accounting principles and policies generally accepted in India to the extent possible.				 &lt;BR&gt; 
	These financial results are presented in accordance with the requirements of Regulation 33 of the SEBI Listing Obligations and Disclosure Requirements Regulations, 2015 read with other relevant rules and circulars issued thereunder.				 &lt;BR&gt; 
3	The statutory auditors of the Company have carried out limited review of the financial results for the quarter ended on 30th June 2025 in pursuance to regulation 33ci of the SEBI Listing obligations and Disclosure Requirements Regulations, 2015 read with other relevant rules and circulars issued thereunder. The statutory auditors have issued an unmodified review report.				 &lt;BR&gt; 
4	The Company primarily operates in the segment of Natural Gas Business. Accordingly, disclosures under Indian Accounting Standards Ind AS 108 on operating segments are not applicable to the Company.				 &lt;BR&gt; 
5	The Board of Directors of the Company at its meeting held on 30th August 2024, have approved a Composite Scheme of Amalgamation and Arrangement among Gujarat State Petroleum Corporation Limited GSPC Transferor Company, Gujarat State Petronet Limited GSPL Transferor Company, GSPC Energy Limited GEL Transferor Company, Gujarat Gas Limited GGL Transferee Company and Demerged Company and GSPL Transmission Limited GTL Resulting Company and their respective Shareholders under Sections 230 to 232 and other applicable provisions of the Companies Act, 2013 and rules made thereunder Scheme. The Scheme, inter alia, provides for    &lt;BR&gt; 
1. amalgamation of GSPC, GSPL and GEL with GGL with appointed date as 1st April, 2024  &lt;BR&gt; 
2. post the amalgamation, demerger of Gas Transmission Business Undertaking into GTL with appointed date as 1st April, 2025 and 3. various other matters consequential or otherwise integrally connected therewith. &lt;BR&gt; 
The Scheme is, inter alia, subject to sanction of the Ministry of Corporate Affairs MCA and receipt of necessary approvals from statutory and regulatory authorities.				 &lt;BR&gt; 
6	The Consolidated Financial Statements of the Company includes the results of the following entities for the quarter ended on 30th June  2025  &lt;BR&gt; 
i Gujarat Gas Limited  Company &lt;BR&gt; 
ii Guj Info Petro Limited  Associate Company &lt;BR&gt; 
Investment in associate has been accounted for using Equity Method in accordance with Ind AS 28  Investments in Associates and Joint Ventures.				 &lt;BR&gt; 
7	Previous period figures have been reclassified  regrouped wherever considered necessary to conform to the current period figures.				 &lt;BR&gt; 
</in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses1D">Excise duty expense</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses1D" decimals="-5" unitRef="INR">1945200000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses2D">Other expenses</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses2D" decimals="-5" unitRef="INR">2986900000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss11">Remeasurement gains on defined employee benefit plans</in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss11" decimals="-5" unitRef="INR">18800000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss12">Share of Other comprehensive income of equity accounted investee</in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss12" decimals="-5" unitRef="INR">-600000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="OneD" decimals="-5" unitRef="INR">18200000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-5" unitRef="INR">4700000</in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss><in-capmkt:OtherComprehensiveIncome contextRef="OneD" decimals="-5" unitRef="INR">13500000</in-capmkt:OtherComprehensiveIncome></xbrli:xbrl>