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<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/Schedule_Of_Analysts_Or_Institutional_Investors_Meeting/2026-03-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="http://www.sebi.gov.in/xbrl/Schedule_Of_Analysts_Or_Institutional_Investors_Meeting/2026-03-31/in-capmkt-roles" 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.xbrl.org/2003/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/ScripCode">500825</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-09-17</xbrli:instant></xbrli:period></xbrli:context><in-capmkt:NSESymbol contextRef="MainI">BRITANNIA</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">BRITANNIA INDUSTRIES LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">500825</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE216A01030</in-capmkt:ISIN><in-capmkt:TypeOfAnnouncement contextRef="MainI">New</in-capmkt:TypeOfAnnouncement><in-capmkt:PurposeOfDisclosure contextRef="MainI">Schedule of Analysts or Institutional Investors Meet</in-capmkt:PurposeOfDisclosure><in-capmkt:StageOfMeetingOrCallOrConferenceOrEvent contextRef="MainI">Cancellation</in-capmkt:StageOfMeetingOrCallOrConferenceOrEvent><in-capmkt:DateOfReport contextRef="MainI">2026-09-17</in-capmkt:DateOfReport><in-capmkt:WhetherPriorIntimationOrScheduleOfMeetingOrCallOrConferenceOrEventWasDisclosedForCancellation contextRef="MainI">true</in-capmkt:WhetherPriorIntimationOrScheduleOfMeetingOrCallOrConferenceOrEventWasDisclosedForCancellation><in-capmkt:DateOfPriorIntimationOrScheduleOfMeetingOrCallOrConferenceOrEventWasDisclosedForCancellation contextRef="MainI">2026-09-17</in-capmkt:DateOfPriorIntimationOrScheduleOfMeetingOrCallOrConferenceOrEventWasDisclosedForCancellation><in-capmkt:DetailsOfCancelledMeetingOrCallOrConferenceOrEventDates contextRef="MainI">Refer to our letter dated 10th September, 2026 regarding the Schedule
of Analysts/Institutional Investors Meets, this is to inform you that due to unavoidable circumstances, the Management of the Company will not be able to participate in the Jefferies 5th India Forum (Group Meeting), scheduled to be held on Thursday, 17th September, 2026 at 10:00 A.M. IST at Gurgaon.</in-capmkt:DetailsOfCancelledMeetingOrCallOrConferenceOrEventDates><in-capmkt:ReasonForCancellationOfMeetingOrCallOrConferenceOrEvent contextRef="MainI">Due to unavoidable circumstances</in-capmkt:ReasonForCancellationOfMeetingOrCallOrConferenceOrEvent></xbrli:xbrl>