<?xml version="1.0" encoding="UTF-8"?>
<!--REG30PARAB V1.0 (01-06-2026)-->
<xbrli:xbrl xmlns:in-capmkt="http://www.sebi.gov.in/xbrl/2026-04-30/in-capmkt" xmlns:in-capmkt-ent="http://www.sebi.gov.in/xbrl/Regulation_30_Para_B_Of_Part_A_Of_Schedule_III/2026-04-30/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/2026-04-30/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-2026-04-30.xsd"/><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">RAILTEL</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-10-21</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_BaggingOrReceivingOfOrdersOrContracts"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">RAILTEL</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-10-21</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:SubTypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIIIAxis">in-capmkt:BaggingOrReceivingOfOrdersOrContractsMember</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="I_BaggingOrReceivingOfOrdersOrContractsMember"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">RAILTEL</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-10-21</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:AwardingOrBaggingOrReceivingOrAmendmentOrTerminationOfOrdersOrContractsAsPerSubPara4OfParaBAxis">in-capmkt:BaggingOrReceivingOfOrdersOrContractsMember</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:unit id="INR"><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unit><in-capmkt:NSESymbol contextRef="MainI">RAILTEL</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">RailTel Corporation of India Limited</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">543265</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE0DD101019</in-capmkt:ISIN><in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="MainI">Awarding, Bagging/Receiving, Amendment or termination of orders/contracts (Sub-para 4-Para B)</in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:SubTypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="I_BaggingOrReceivingOfOrdersOrContracts">Bagging/Receiving of orders/contracts</in-capmkt:SubTypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:TypeOfAnnouncementAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="MainI">New</in-capmkt:TypeOfAnnouncementAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting contextRef="MainI">false</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting><in-capmkt:DateOfOccurrenceOfEventOrInformation contextRef="MainI">2026-10-19</in-capmkt:DateOfOccurrenceOfEventOrInformation><in-capmkt:TimeOfOccurrenceOfEventOrInformation contextRef="MainI">20:00:00</in-capmkt:TimeOfOccurrenceOfEventOrInformation><in-capmkt:DateOfReport contextRef="MainI">2026-10-21</in-capmkt:DateOfReport><in-capmkt:NameOfTheEntityAwardingTheOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">Haryana State Electronics Development Corporation Limited</in-capmkt:NameOfTheEntityAwardingTheOrdersOrContracts><in-capmkt:WhetherTheOrdersOrContractsIsOrdinaryCourseOfBusiness contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">true</in-capmkt:WhetherTheOrdersOrContractsIsOrdinaryCourseOfBusiness><in-capmkt:WhetherOrdersOrContractsIsAwardedByDomesticOrInternationalEntity contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">Domestic</in-capmkt:WhetherOrdersOrContractsIsAwardedByDomesticOrInternationalEntity><in-capmkt:WhetherTheCounterpartyIsIndianListedEntity contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">false</in-capmkt:WhetherTheCounterpartyIsIndianListedEntity><in-capmkt:LEIOrCINOrRegistrationNumberOfTheCounterparty contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">U00000CH1982SGC004963</in-capmkt:LEIOrCINOrRegistrationNumberOfTheCounterparty><in-capmkt:WhetherTheCounterpartyBelongsToGroupCompaniesOfAnyIndianListedEntity contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">false</in-capmkt:WhetherTheCounterpartyBelongsToGroupCompaniesOfAnyIndianListedEntity><in-capmkt:NameOfTheCountryInWhichCounterpartyIsExists contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">India</in-capmkt:NameOfTheCountryInWhichCounterpartyIsExists><in-capmkt:DateOfBaggingOrReceivingOfOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">2026-10-19</in-capmkt:DateOfBaggingOrReceivingOfOrdersOrContracts><in-capmkt:AmountOfTheOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember" unitRef="INR" decimals="0">474000000</in-capmkt:AmountOfTheOrdersOrContracts><in-capmkt:SignificantTermsAndConditionsOfOrdersOrContractsIsAwarded contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">Rate Contract for SITC of Structured LAN at various Locations in the State of Haryana,Chandigarh,Delhi NCR on behalf of various State Govt. Departments</in-capmkt:SignificantTermsAndConditionsOfOrdersOrContractsIsAwarded><in-capmkt:NatureOfOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">RC for SITC of LAN at various Locations in State of Haryana, Chandigarh,Delhi NCR on behalf of various Haryana State Govt. Departments. Customer will issue PO from time to time as per requirement</in-capmkt:NatureOfOrdersOrContracts><in-capmkt:TimePeriodByWhichTheOrdersOrContractsIsToBeExecuted contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">18-April-2028</in-capmkt:TimePeriodByWhichTheOrdersOrContractsIsToBeExecuted><in-capmkt:BroadConsiderationForTheOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">The Estimated Size of Order as per LoA is Rs. 47,40,00,000/- (Including Tax)</in-capmkt:BroadConsiderationForTheOrdersOrContracts><in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupCompaniesHaveAnyInterestInThatEntityToWhomTheOrdersOrContractsIsAwarded contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">false</in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupCompaniesHaveAnyInterestInThatEntityToWhomTheOrdersOrContractsIsAwarded><in-capmkt:WhetherTheOrderOrContractWouldFallWithinRelatedPartyTransactions contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">false</in-capmkt:WhetherTheOrderOrContractWouldFallWithinRelatedPartyTransactions></xbrli:xbrl>
