<?xml version="1.0" encoding="UTF-8"?>
<!--AIATOP V1.0 (24-04-2026)-->
<xbrli:xbrl xmlns:in-capmkt="http://www.sebi.gov.in/xbrl/2026-03-31/in-capmkt" xmlns:in-capmkt-ent="http://www.sebi.gov.in/xbrl/Action_Initiation_Or_Action_Taken_Or_Order_Passed/2026-03-31/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/2026-03-31/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.w3.org/1999/xlink"><link:schemaRef xlink:type="simple" xlink:href="in-capmkt-ent-2026-03-31.xsd"/><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">PTC</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-07-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_ActionsTaken1"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">PTC</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-07-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ActionsTakenOrOrdersPassedAxis"><in-capmkt:ActionsTakenOrOrdersPassedDomain>ActionsTakenOrOrdersPassedDomain1</in-capmkt:ActionsTakenOrOrdersPassedDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_ActionsTaken1_PersonsAgainstWhomActionsTaken1"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">PTC</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-07-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:ActionsTakenOrOrdersPassedAxis"><in-capmkt:ActionsTakenOrOrdersPassedDomain>ActionsTakenOrOrdersPassedDomain1</in-capmkt:ActionsTakenOrOrdersPassedDomain></xbrldi:typedMember><xbrldi:typedMember dimension="in-capmkt:PersonsAgainstWhomActionsTakenOrOrdersPassedAxis"><in-capmkt:PersonsAgainstWhomActionsTakenOrOrdersPassedDomain>PersonsAgainstWhomActionsTakenOrOrdersPassedDomain1</in-capmkt:PersonsAgainstWhomActionsTakenOrOrdersPassedDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_Signatories1"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">PTC</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-07-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:SignatoriesAxis"><in-capmkt:SignatoriesDomain>SignatoriesDomain1</in-capmkt:SignatoriesDomain></xbrldi:typedMember></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><in-capmkt:NSESymbol contextRef="MainI">PTC</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">PTC India Limited</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">532524</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE877F01012</in-capmkt:ISIN><in-capmkt:TypeOfAnnouncement contextRef="MainI">New</in-capmkt:TypeOfAnnouncement><in-capmkt:TypeOfEvent contextRef="MainI">Action(s) taken or orders passed (sub-para 20)</in-capmkt:TypeOfEvent><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting contextRef="MainI">false</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting><in-capmkt:DateOfOccurrenceOfEventOrInformation contextRef="MainI">2026-07-29</in-capmkt:DateOfOccurrenceOfEventOrInformation><in-capmkt:TimeOfOccurrenceOfEventOrInformation contextRef="MainI">18:00:00</in-capmkt:TimeOfOccurrenceOfEventOrInformation><in-capmkt:DateOfReport contextRef="MainI">2026-07-31</in-capmkt:DateOfReport><in-capmkt:TypeOfActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">Imposition of fine or penalty</in-capmkt:TypeOfActionsTakenOrOrdersPassed><in-capmkt:ActionsTakenOrOrdersPassedBy contextRef="I_ActionsTaken1">Statutory Authority</in-capmkt:ActionsTakenOrOrdersPassedBy><in-capmkt:NameOfAuthorityFromWhomActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">Income Tax Department</in-capmkt:NameOfAuthorityFromWhomActionsTakenOrOrdersPassed><in-capmkt:NumberOfPersonsAgainstWhomActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1" unitRef="pure" decimals="0">1</in-capmkt:NumberOfPersonsAgainstWhomActionsTakenOrOrdersPassed><in-capmkt:ActionsTakenOrOrdersPassedAgainst contextRef="I_ActionsTaken1_PersonsAgainstWhomActionsTaken1">Listed Entity (Self)</in-capmkt:ActionsTakenOrOrdersPassedAgainst><in-capmkt:NameOfPersonAgainstWhomActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1_PersonsAgainstWhomActionsTaken1">PTC India Limited</in-capmkt:NameOfPersonAgainstWhomActionsTakenOrOrdersPassed><in-capmkt:TypeOfCommunicationReceivedForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">Demand notice</in-capmkt:TypeOfCommunicationReceivedForActionsTakenOrOrdersPassed><in-capmkt:NatureAndDetailsOfTheActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">Income Tax Department has issued Notices of Demand under Section 156 of the Income Tax Act, 1961 towards Penalty under section 271(1)(c) of the Income Tax Act, 1961 for Rs. 9,61,446/- for AY 2011-12; Rs. 5,91,960/- for AY 2012-13, Rs. 19,57,554/- for AY 2014-15 and Rs. 27,83,637/- for AY 2015-16.</in-capmkt:NatureAndDetailsOfTheActionsTakenOrOrdersPassed><in-capmkt:DateOfReceiptOfCommunicationReceivedForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">2026-07-29</in-capmkt:DateOfReceiptOfCommunicationReceivedForActionsTakenOrOrdersPassed><in-capmkt:BriefDetailsOfTheMaterialContentsOfTheCommunicationReceivedForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">Income tax department made additions of Rs. 22,96,99,152/-  under Rule 8D for AY 2011-12, AY 2021-13, AY 2024-15 and AY 2015-16. The Company obtained favorable orders in March 2026 and disallowance was reduced from Rs. 22,96,99,152/- to Rs. 62,22,564/-. On disallowance of Rs. 62,22,564/-, the Company has received Penalty Orders of Rs. 9,61,446/-; Rs. 5,91,960/-, Rs. 19,57,554/- and Rs. 27,83,637/- for AY 2011-12; AY 2012-13, AY 2014-15 and AY 2015-16 respectively under section 271(1)(c) of the Income Tax Act, 1961. The said Orders are currently appealable, and the Company will contest these orders and file formal appeals before the Commissioner of Income Tax (Appeals).</in-capmkt:BriefDetailsOfTheMaterialContentsOfTheCommunicationReceivedForActionsTakenOrOrdersPassed><in-capmkt:PeriodForWhichCommunicationWouldBeApplicableForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">2011-12, 2012-13, 2014-15 and 2015-16</in-capmkt:PeriodForWhichCommunicationWouldBeApplicableForActionsTakenOrOrdersPassed><in-capmkt:ExpectedImpactOfActionsTakenOnFinancialAndOperationalOrOtherActivitiesOfTheListedEntity contextRef="I_ActionsTaken1">There is no material impact on the financials, operations and/or other activities of the Company due to the Penalty Orders.</in-capmkt:ExpectedImpactOfActionsTakenOnFinancialAndOperationalOrOtherActivitiesOfTheListedEntity><in-capmkt:DetailsOfAnyAberrationsOrNonCompliancesOrViolationsOrContraventionsIdentifiedByTheAuthorityInTheCommunicationForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">Income tax department made additions of Rs. 22,96,99,152/-  under Rule 8D for AY 2011-12, AY 2021-13, AY 2024-15 and AY 2015-16. The Company obtained favorable orders in March 2026 and disallowance was reduced from Rs. 22,96,99,152/- to Rs. 62,22,564/-. On disallowance of Rs. Rs. 62,22,564/-, the Company has received Penalty Orders of Rs. 9,61,446/-; Rs. 5,91,960/-, Rs. 19,57,554/- and Rs. 27,83,637/- for AY 2011-12; AY 2012-13, AY 2014-15 and AY 2015-16 respectively under section 271(1)(c) of the Income Tax Act, 1961. The said Orders are currently appealable, and the Company will contest these orders and file formal appeals before the Commissioner of Income Tax (Appeals).</in-capmkt:DetailsOfAnyAberrationsOrNonCompliancesOrViolationsOrContraventionsIdentifiedByTheAuthorityInTheCommunicationForActionsTakenOrOrdersPassed><in-capmkt:AmountOfFineOrPenalty contextRef="I_ActionsTaken1" unitRef="INR" decimals="0">6294597</in-capmkt:AmountOfFineOrPenalty><in-capmkt:DetailsOfAnyPenaltyOrRestrictionOrSanctionImposedPursuantToTheCommunicationForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">Income tax department made additions of Rs. 22,96,99,152/-  under Rule 8D for AY 2011-12, AY 2021-13, AY 2024-15 and AY 2015-16. The Company obtained favorable orders in March 2026 and disallowance was reduced from Rs. 22,96,99,152/- to Rs. 62,22,564/-. 

On disallowance of Rs. Rs. 62,22,564/-, the Company has received Penalty Orders of Rs. 9,61,446/-; Rs. 5,91,960/-, Rs. 19,57,554/- and Rs. 27,83,637/- for AY 2011-12; AY 2012-13, AY 2014-15 and AY 2015-16 respectively under section 271(1)(c) of the Income Tax Act, 1961.

The said Orders are currently appealable, and the Company will contest these orders and file formal appeals before the Commissioner of Income Tax (Appeals).</in-capmkt:DetailsOfAnyPenaltyOrRestrictionOrSanctionImposedPursuantToTheCommunicationForActionsTakenOrOrdersPassed><in-capmkt:DetailsOfRegulatoryActionsOrSanctions contextRef="I_ActionsTaken1">Nil</in-capmkt:DetailsOfRegulatoryActionsOrSanctions><in-capmkt:ActionsTakenByListedCompanyWithRespectToTheCommunicationForActionsTakenOrOrdersPassed contextRef="I_ActionsTaken1">The said Orders are currently appealable, and the Company will contest these orders and file formal appeals before the Commissioner of Income Tax (Appeals).</in-capmkt:ActionsTakenByListedCompanyWithRespectToTheCommunicationForActionsTakenOrOrdersPassed><in-capmkt:NameOfTheSignatory contextRef="I_Signatories1">Rajiv Maheshwari</in-capmkt:NameOfTheSignatory><in-capmkt:DesignationOfTheSignatory contextRef="I_Signatories1">Company Secretary and Compliance Officer</in-capmkt:DesignationOfTheSignatory><in-capmkt:DateOfOfTheSignatory contextRef="I_Signatories1">2026-07-31</in-capmkt:DateOfOfTheSignatory><in-capmkt:PlaceOfOfTheSignatory contextRef="I_Signatories1">New Delhi</in-capmkt:PlaceOfOfTheSignatory></xbrli:xbrl>
