<?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">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-06-20</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="I_BaggingOrReceivingOfOrdersOrContracts"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-06-20</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">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-06-20</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">TATAPOWER</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">Tata Power Company Limited</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">500400</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE245A01021</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">2026-06-19</in-capmkt:DateOfOccurrenceOfEventOrInformation><in-capmkt:TimeOfOccurrenceOfEventOrInformation contextRef="MainI">16:30:00</in-capmkt:TimeOfOccurrenceOfEventOrInformation><in-capmkt:DateOfReport contextRef="MainI">2026-06-20</in-capmkt:DateOfReport><in-capmkt:NameOfTheEntityAwardingTheOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">REC Power Development and Consultancy 
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">U40101DL2007GOI165779</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">2026-06-19</in-capmkt:DateOfBaggingOrReceivingOfOrdersOrContracts><in-capmkt:AmountOfTheOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember" unitRef="INR" decimals="0">5210700000</in-capmkt:AmountOfTheOrdersOrContracts><in-capmkt:SignificantTermsAndConditionsOfOrdersOrContractsIsAwarded contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">The Project SPV, Ryapte Power 
Transmission Limited, will be developed on 
a Build-Own-Operate Transfer basis to 
provide transmission services for 35 years 
from the Scheduled Commercial Operation 
Date (SCOD), set 30 months after the SPV 
transfer. 
The scope of project involves constructing 
approx. 250 km line route comprising 400 
kV D/C line, 220 kV D/C line and 220 kV 
Underground cable in the following region  
i 400 kV D/C line from Ryapte AIS Sub
station to proposed 400/220 kV 
Doddathaggalli GIS S/s,  
ii 400 kC D/C line from existing Kolar S/s 
to proposed Doddathaggalli GIS S/s 
iii 220 kV D/C line from proposed 
Doddathaggalli GIS S/s to 220 kV 
existing substation of Ekarajapura, 
Hosakote and Sarjapura in Karnataka.   
iv 220 kV Underground cable from 
Doddathaggalli GIS S/s to Ekarajapura, 
Hosakote and Sarjapura s/s. In addition, the project scope includes  
 
(a) Establishing 5x500 MVA, 400/220 kV 
S/s at Ryapte in Tumkur District along 
with 2x125MVAr 400 kV Bus Reactors 
and  
(b) Establishing 3X500 MVA, 400/220kV 
GIS sub-station at Doddathaggalli 
(Near Hosakote) along with 2x125 
MVA, 400 kV Bus Reactors 
</in-capmkt:SignificantTermsAndConditionsOfOrdersOrContractsIsAwarded><in-capmkt:NatureOfOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">Construction and commissioning of approx. 
250 km line route comprising 400 kV D/C 
line, 220 kV D/C line and 220 kV 
Underground cable and establishing two 
green field S/s one at Ryapte, Tumkur 
(400/220 kV AIS) and other one at 
Doddathaggalli, Hoskote (400/220 kV GIS)</in-capmkt:NatureOfOrdersOrContracts><in-capmkt:TimePeriodByWhichTheOrdersOrContractsIsToBeExecuted contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">The award is placed on the Company for a 
period of 35 years</in-capmkt:TimePeriodByWhichTheOrdersOrContractsIsToBeExecuted><in-capmkt:BroadConsiderationForTheOrdersOrContracts contextRef="I_BaggingOrReceivingOfOrdersOrContractsMember">Annual Transmission Charges –  
Rs. 521.07 crore</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>