<?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">523204</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="OneI"><xbrli:entity><xbrli:identifier scheme="http://www.bseindia.com/in-capmkt/ScripCode">523204</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2025-06-30</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="OneExpenses1D"><xbrli:entity><xbrli:identifier scheme="http://www.bseindia.com/in-capmkt/ScripCode">523204</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: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="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">523204</in-capmkt:ScripCode><in-capmkt:Symbol contextRef="OneD">ABAN</in-capmkt:Symbol><in-capmkt:MSEISymbol contextRef="OneD">NA</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="OneD">INE421A01028</in-capmkt:ISIN><in-capmkt:NameOfTheCompany contextRef="OneD">ABAN OFFSHORE 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">2025-08-11</in-capmkt:DateOfBoardMeetingWhenFinancialResultsWereApproved><in-capmkt:DateOnWhichPriorIntimationOfTheMeetingForConsideringFinancialResultsWasInformedToTheExchange contextRef="OneD">2025-08-01</in-capmkt:DateOnWhichPriorIntimationOfTheMeetingForConsideringFinancialResultsWasInformedToTheExchange><in-capmkt:DescriptionOfPresentationCurrency contextRef="OneD">INR</in-capmkt:DescriptionOfPresentationCurrency><in-capmkt:LevelOfRounding contextRef="OneD">Millions</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">DRILLING SERVICES</in-capmkt:DescriptionOfSingleSegment><in-capmkt:DateOfStartOfBoardMeeting contextRef="OneD">2025-08-11</in-capmkt:DateOfStartOfBoardMeeting><in-capmkt:StartTimeOfBoardMeeting contextRef="OneD">10:00:00</in-capmkt:StartTimeOfBoardMeeting><in-capmkt:DateOfEndOfBoardMeeting contextRef="OneD">2025-08-11</in-capmkt:DateOfEndOfBoardMeeting><in-capmkt:EndTimeOfBoardMeeting contextRef="OneD">11:30:00</in-capmkt:EndTimeOfBoardMeeting><in-capmkt:DeclarationOfUnmodifiedOpinionOrStatementOnImpactOfAuditQualification contextRef="OneD">Not applicable</in-capmkt:DeclarationOfUnmodifiedOpinionOrStatementOnImpactOfAuditQualification><in-capmkt:WhetherStatementOnDeviationOrVariationForProceedsOfPublicIssueOrRightIssueOrPreferentialIssueOrQIPEtcIsApplicableToTheCompanyForTheCurrentQuarter contextRef="OneD">false</in-capmkt:WhetherStatementOnDeviationOrVariationForProceedsOfPublicIssueOrRightIssueOrPreferentialIssueOrQIPEtcIsApplicableToTheCompanyForTheCurrentQuarter><in-capmkt:WhetherTheDisclosureForTheDefaultOnLoansAndDebtSecuritiesIsApplicableToTheEntity contextRef="OneD">true</in-capmkt:WhetherTheDisclosureForTheDefaultOnLoansAndDebtSecuritiesIsApplicableToTheEntity><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">Standalone</in-capmkt:NatureOfReportStandaloneConsolidated><in-capmkt:RevenueFromOperations contextRef="OneD" decimals="-4" unitRef="INR">248520000</in-capmkt:RevenueFromOperations><in-capmkt:OtherIncome contextRef="OneD" decimals="-4" unitRef="INR">33210000</in-capmkt:OtherIncome><in-capmkt:Income contextRef="OneD" decimals="-4" unitRef="INR">281730000</in-capmkt:Income><in-capmkt:CostOfMaterialsConsumed contextRef="OneD" decimals="-4" unitRef="INR">740000</in-capmkt:CostOfMaterialsConsumed><in-capmkt:PurchasesOfStockInTrade contextRef="OneD" decimals="-6" unitRef="INR">0</in-capmkt:PurchasesOfStockInTrade><in-capmkt:ChangesInInventoriesOfFinishedGoodsWorkInProgressAndStockInTrade contextRef="OneD" decimals="-6" unitRef="INR">0</in-capmkt:ChangesInInventoriesOfFinishedGoodsWorkInProgressAndStockInTrade><in-capmkt:EmployeeBenefitExpense contextRef="OneD" decimals="-4" unitRef="INR">29410000</in-capmkt:EmployeeBenefitExpense><in-capmkt:FinanceCosts contextRef="OneD" decimals="-4" unitRef="INR">161740000</in-capmkt:FinanceCosts><in-capmkt:DepreciationDepletionAndAmortisationExpense contextRef="OneD" decimals="-4" unitRef="INR">1370000</in-capmkt:DepreciationDepletionAndAmortisationExpense><in-capmkt:OtherExpenses contextRef="OneD" decimals="-4" unitRef="INR">32520000</in-capmkt:OtherExpenses><in-capmkt:Expenses contextRef="OneD" decimals="-4" unitRef="INR">225780000</in-capmkt:Expenses><in-capmkt:ProfitBeforeExceptionalItemsAndTax contextRef="OneD" decimals="-4" unitRef="INR">55950000</in-capmkt:ProfitBeforeExceptionalItemsAndTax><in-capmkt:ExceptionalItemsBeforeTax contextRef="OneD" decimals="-6" unitRef="INR">0</in-capmkt:ExceptionalItemsBeforeTax><in-capmkt:ProfitBeforeTax contextRef="OneD" decimals="-4" unitRef="INR">55950000</in-capmkt:ProfitBeforeTax><in-capmkt:CurrentTax contextRef="OneD" decimals="-6" unitRef="INR">0</in-capmkt:CurrentTax><in-capmkt:DeferredTax contextRef="OneD" decimals="-4" unitRef="INR">15760000</in-capmkt:DeferredTax><in-capmkt:TaxExpense contextRef="OneD" decimals="-4" unitRef="INR">15760000</in-capmkt:TaxExpense><in-capmkt:NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndTheRelatedDeferredTaxMovement contextRef="OneD" decimals="-6" unitRef="INR">0</in-capmkt:NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossAndTheRelatedDeferredTaxMovement><in-capmkt:ProfitLossForPeriodFromContinuingOperations contextRef="OneD" decimals="-4" unitRef="INR">40190000</in-capmkt:ProfitLossForPeriodFromContinuingOperations><in-capmkt:ProfitLossFromDiscontinuedOperationsBeforeTax contextRef="OneD" decimals="-6" unitRef="INR">0</in-capmkt:ProfitLossFromDiscontinuedOperationsBeforeTax><in-capmkt:TaxExpenseOfDiscontinuedOperations contextRef="OneD" decimals="-6" unitRef="INR">0</in-capmkt:TaxExpenseOfDiscontinuedOperations><in-capmkt:ProfitLossFromDiscontinuedOperationsAfterTax contextRef="OneD" decimals="-6" unitRef="INR">0</in-capmkt:ProfitLossFromDiscontinuedOperationsAfterTax><in-capmkt:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod contextRef="OneD" decimals="-6" unitRef="INR">0</in-capmkt:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod><in-capmkt:ProfitLossForPeriod contextRef="OneD" decimals="-4" unitRef="INR">40190000</in-capmkt:ProfitLossForPeriod><in-capmkt:OtherComprehensiveIncomeNetOfTaxes contextRef="OneD" decimals="-6" unitRef="INR">0</in-capmkt:OtherComprehensiveIncomeNetOfTaxes><in-capmkt:ComprehensiveIncomeForThePeriod contextRef="OneD" decimals="-4" unitRef="INR">40190000</in-capmkt:ComprehensiveIncomeForThePeriod><in-capmkt:PaidUpValueOfEquityShareCapital contextRef="OneD" decimals="-4" unitRef="INR">116730000</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">0.69</in-capmkt:BasicEarningsLossPerShareFromContinuingOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0.69</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">0.69</in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0.69</in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:InterestServiceCoverageRatio contextRef="OneD" decimals="INF" unitRef="pure">0.0134</in-capmkt:InterestServiceCoverageRatio><in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">Standalone &lt;BR&gt; 
Notes:		 &lt;BR&gt; 
		 &lt;BR&gt; 
(i) The unaudited standalone financial results were reviewed and recommended by the Audit Committee and were approved by the Board of Directors at their meeting held on 11th August 2025. &lt;BR&gt; 
 &lt;BR&gt; 
(ii) The statement has been prepared in accordance with the Companies (Indian Accounting Standards) Rules 2015 (IND AS) prescribed under Section 133 of the Companies Act, 2013 and other recognised accounting principles and policies to the extent applicable. &lt;BR&gt; 
 &lt;BR&gt; 
(iii) The Company operates in only one business segment i.e. Offshore Drilling. &lt;BR&gt; 
 &lt;BR&gt; 
(iv) Clause 52 (6) of LODR disclosure –The Company hasn’t redeemed its non-convertible redeemable preference shares amounting to INR 2,810 million on due dates and paid no dividend. &lt;BR&gt; 
 &lt;BR&gt; 
(v) The Company has defaulted on payment of their borrowings which have fallen due and have breached the covenants of their borrowings which give the lenders the right to demand the related borrowings be due and payable immediately. As of the date of these results, the Company is in discussions with its lenders to obtain approval for and implementation of an appropriate debt resolution plan.  However, the Company will continue to be in operation in the foreseeable future. The Management believes that the use of the going concern assumption on the preparation of the unaudited standalone financial results of the Company for the Quarter ended 30th June 2025 is still appropriate after taking into consideration of the above actions and measures. &lt;BR&gt; 
 &lt;BR&gt; 
(vi) The Standalone financial results have been subjected to limited review by the statutory auditors of the Company. &lt;BR&gt; 
 &lt;BR&gt; 
           &lt;BR&gt; 
 &lt;BR&gt; 
For and on behalf of the Board &lt;BR&gt; 
 &lt;BR&gt; 
 &lt;BR&gt; 
 &lt;BR&gt; 
 &lt;BR&gt; 
Place: Chennai 								Reji Abraham &lt;BR&gt; 
Date: 11th August 2025 				                                           Managing Director  &lt;BR&gt; 
</in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses1D">Other expenditure</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses1D" decimals="-4" unitRef="INR">32520000</in-capmkt:OtherExpenses><in-capmkt:TotalOutstandingAmountOfLoansOrRevolvingFacilitiesAtTheEndOfPeriod contextRef="OneI" decimals="-5" unitRef="INR">6668400000</in-capmkt:TotalOutstandingAmountOfLoansOrRevolvingFacilitiesAtTheEndOfPeriod><in-capmkt:AmountOfDefaultOutOfTotalOutstandingAmountOfLoansOrRevolvingFacilitiesAtTheEndOfPeriod contextRef="OneI" decimals="-5" unitRef="INR">6668400000</in-capmkt:AmountOfDefaultOutOfTotalOutstandingAmountOfLoansOrRevolvingFacilitiesAtTheEndOfPeriod><in-capmkt:TotalOutstandingAmountOfUnlistedDebtSecuritiesAtTheEndOfPeriod contextRef="OneI" decimals="-5" unitRef="INR">447200000</in-capmkt:TotalOutstandingAmountOfUnlistedDebtSecuritiesAtTheEndOfPeriod><in-capmkt:AmountOfDefaultOutOfTotalOutstandingAmountOfUnlistedDebtSecuritiesAtTheEndOfPeriod contextRef="OneI" decimals="-5" unitRef="INR">447200000</in-capmkt:AmountOfDefaultOutOfTotalOutstandingAmountOfUnlistedDebtSecuritiesAtTheEndOfPeriod><in-capmkt:AmountOfTotalFinancialIndebtednessOfTheListedEntityIncludingShortTermAndLongTermDebtAtTheEndOfPeriod contextRef="OneI" decimals="-5" unitRef="INR">7115500000</in-capmkt:AmountOfTotalFinancialIndebtednessOfTheListedEntityIncludingShortTermAndLongTermDebtAtTheEndOfPeriod></xbrli:xbrl>