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<!--REG30 V1.0 (16-10-2025)-->
<xbrli:xbrl xmlns:in-capmkt="http://www.sebi.gov.in/xbrl/2025-08-31/in-capmkt" xmlns:in-capmkt-ent="http://www.sebi.gov.in/xbrl/Regulation_30_Restructuring/2025-08-31/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="http://www.sebi.gov.in/xbrl/Regulation_30_Restructuring/2025-08-31/in-capmkt-roles" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" 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-2025-08-31.xsd"/><xbrli:context id="OneI"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">MITCON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-10-07</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="OneD"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">MITCON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-10-07</xbrli:startDate><xbrli:endDate>2026-10-07</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="I_FinancialYear1"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">MITCON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-10-07</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:TurnoverForLastThreeFinancialYearsAxis">in-capmkt:FinancialYear1Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="I_FinancialYear2"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">MITCON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-10-07</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:TurnoverForLastThreeFinancialYearsAxis">in-capmkt:FinancialYear2Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="I_FinancialYear3"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">MITCON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-10-07</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:TurnoverForLastThreeFinancialYearsAxis">in-capmkt:FinancialYear3Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="D_FinancialYear1"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">MITCON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-10-07</xbrli:startDate><xbrli:endDate>2026-10-07</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:TurnoverForLastThreeFinancialYearsAxis">in-capmkt:FinancialYear1Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="D_FinancialYear2"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">MITCON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-10-07</xbrli:startDate><xbrli:endDate>2026-10-07</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:TurnoverForLastThreeFinancialYearsAxis">in-capmkt:FinancialYear2Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:context id="D_FinancialYear3"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/NSESymbol">MITCON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-10-07</xbrli:startDate><xbrli:endDate>2026-10-07</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:TurnoverForLastThreeFinancialYearsAxis">in-capmkt:FinancialYear3Member</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><in-capmkt:ScripCode contextRef="OneI">000000</in-capmkt:ScripCode><in-capmkt:NameOfTheCompany contextRef="OneI">MITCON CONSULTANCY &amp; ENGINEERING SERVICES LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:NSESymbol contextRef="OneI">MITCON</in-capmkt:NSESymbol><in-capmkt:MSEISymbol contextRef="OneI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="OneI">INE828O01033</in-capmkt:ISIN><in-capmkt:TypeOfAnnouncementPertainingToRegulation30Restructuring contextRef="OneD">New</in-capmkt:TypeOfAnnouncementPertainingToRegulation30Restructuring><in-capmkt:TypeOfEventOfAnnouncementPertainingToRegulation30Restructuring contextRef="OneD">Acquisition (including agreement to acquire)</in-capmkt:TypeOfEventOfAnnouncementPertainingToRegulation30Restructuring><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting contextRef="OneD">false</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting><in-capmkt:DateOfOccurrenceOfEvent contextRef="OneI">2026-10-07</in-capmkt:DateOfOccurrenceOfEvent><in-capmkt:TimeOfOccurrenceOfEvent contextRef="OneD">15:00:00</in-capmkt:TimeOfOccurrenceOfEvent><in-capmkt:DateOfReport contextRef="OneI">2026-10-07</in-capmkt:DateOfReport><in-capmkt:NameOfAcquirer contextRef="OneI">MITCON Sun Power Limited</in-capmkt:NameOfAcquirer><in-capmkt:RelationshipOfAcquirerWithTheListedEntity contextRef="OneD">Subsidiary</in-capmkt:RelationshipOfAcquirerWithTheListedEntity><in-capmkt:NameOfTheTargetEntity contextRef="OneI">MITCON Solar Alliance Limited</in-capmkt:NameOfTheTargetEntity><in-capmkt:TurnoverOfTargetEntity contextRef="OneD" unitRef="INR" decimals="-6">67000000</in-capmkt:TurnoverOfTargetEntity><in-capmkt:ProfitAfterTaxOfTargetEntity contextRef="OneD" unitRef="INR" decimals="-5">3500000</in-capmkt:ProfitAfterTaxOfTargetEntity><in-capmkt:NetWorthOfTargetEntity contextRef="OneD" unitRef="INR" decimals="-5">98400000</in-capmkt:NetWorthOfTargetEntity><in-capmkt:OtherFinancialParameterOfTargetEntity contextRef="OneI">0</in-capmkt:OtherFinancialParameterOfTargetEntity><in-capmkt:WhetherTheAcquisitionWouldFallWithinRelatedPartyTransactions contextRef="OneD">false</in-capmkt:WhetherTheAcquisitionWouldFallWithinRelatedPartyTransactions><in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupCompaniesIncludingAssociateOrHoldingOrSubsidiaryOrDirectorOrKMPOrSMPAndItsRelativesHaveAnyInterestInTheEntityBeingAcquired contextRef="OneD">true</in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupCompaniesIncludingAssociateOrHoldingOrSubsidiaryOrDirectorOrKMPOrSMPAndItsRelativesHaveAnyInterestInTheEntityBeingAcquired><in-capmkt:NatureOfInterestAndDetailsThereofForAcquisitionEvent contextRef="OneI">MITCON Sun Power Limited, subsidiary of MITCON Consultancy &amp; Engineering Services Limited (Ultimate Holding Company) has acquired shares of MITCON Solar Alliance Limited. SMP is Director in MITCON  Solar Alliance Limited</in-capmkt:NatureOfInterestAndDetailsThereofForAcquisitionEvent><in-capmkt:WhetherAcquisitionEventIsDoneAtArmsLength contextRef="OneD">true</in-capmkt:WhetherAcquisitionEventIsDoneAtArmsLength><in-capmkt:IndustryToWhichTheEntityBeingAcquiredBelongs contextRef="OneI">Solar Power Generation</in-capmkt:IndustryToWhichTheEntityBeingAcquiredBelongs><in-capmkt:ObjectsAndImpactOfAcquisitionIncludingButNotLimitedToDisclosureOfReasonsForAcquisitionOfTargetEntityIfItsBusinessIsOutsideTheMainLineOfBusinessOfTheListedEntity contextRef="OneI">The proposed acquisition will result in increase in Shareholding of MITCON Sun Power Limited in the target entity from 47.28% to 74% making the target entity a subsidiary of MITCON Sun Power Limited and Step down subsidiary of the Company.</in-capmkt:ObjectsAndImpactOfAcquisitionIncludingButNotLimitedToDisclosureOfReasonsForAcquisitionOfTargetEntityIfItsBusinessIsOutsideTheMainLineOfBusinessOfTheListedEntity><in-capmkt:WhetherAnyGovernmentalOrRegulatoryApprovalsRequiredForTheAcquisition contextRef="OneD">NA</in-capmkt:WhetherAnyGovernmentalOrRegulatoryApprovalsRequiredForTheAcquisition><in-capmkt:WhetherTheAcquisitionTransactionWillBeInTranches contextRef="OneD">false</in-capmkt:WhetherTheAcquisitionTransactionWillBeInTranches><in-capmkt:IndicativeTimePeriodForCompletionOfTheAcquisition contextRef="OneI">Within 60 days, subject to compliance of Conditions Precedent by the Parties to Share Purchase Agreement dated October 07, 2026.</in-capmkt:IndicativeTimePeriodForCompletionOfTheAcquisition><in-capmkt:NatureOfConsiderationForAcquisitionEvent contextRef="OneD">Cash</in-capmkt:NatureOfConsiderationForAcquisitionEvent><in-capmkt:AmountOfCashConsiderationForAcquisitionEvent contextRef="OneD" unitRef="INR" decimals="-6">24000000</in-capmkt:AmountOfCashConsiderationForAcquisitionEvent><in-capmkt:DetailsOfConsiderationForAcquisitionEvent contextRef="OneI">12,04,999 Equity shares of the Target entity will be acquired at an aggregate consideration of Rs. 2,40,49,990 (Rupees Two Crores Forty Lakhs Forty Nine Thousand Nine Hundred Ninety only)</in-capmkt:DetailsOfConsiderationForAcquisitionEvent><in-capmkt:CostOfAcquisitionOrThePriceAtWhichTheSharesAreAcquired contextRef="OneD" unitRef="INR" decimals="-6">24000000</in-capmkt:CostOfAcquisitionOrThePriceAtWhichTheSharesAreAcquired><in-capmkt:ExistingPercentageOfShareholdingHeldByAcquirer contextRef="OneI" unitRef="pure" decimals="INF">0.4728</in-capmkt:ExistingPercentageOfShareholdingHeldByAcquirer><in-capmkt:PercentageOfControlAcquired contextRef="OneI" unitRef="pure" decimals="INF">0.2672</in-capmkt:PercentageOfControlAcquired><in-capmkt:PercentageOfAdditionalSharesAcquiredIfExistingHoldingPersists contextRef="OneI" unitRef="pure" decimals="INF">0.2672</in-capmkt:PercentageOfAdditionalSharesAcquiredIfExistingHoldingPersists><in-capmkt:BriefBackgroundAboutTheEntityAcquiredInTermsOfProductsLineOfBusinessAcquired contextRef="OneI">The Target Company was established on 15th May, 2018.  

The Target company focuses on generating, transmitting, dealing, trading, and distributing energy from various sources including solar energy, wind energy, hydro power and biomass and to manufacture, process, buy, sell, exchange, alter, improve, import or export or otherwise deal in all types of renewable energy generation equipments, energy saving devices, solar energy products, gadgets and components and to sell, trade or otherwise deal in energy, carbon credits and other energy and recyclable products including energy storage and distribution of products and services.
</in-capmkt:BriefBackgroundAboutTheEntityAcquiredInTermsOfProductsLineOfBusinessAcquired><in-capmkt:DateOfIncorporationForAcquisitionEvent contextRef="OneI">2018-05-15</in-capmkt:DateOfIncorporationForAcquisitionEvent><in-capmkt:DescriptionOfFinancialYear contextRef="I_FinancialYear1">2025-2026</in-capmkt:DescriptionOfFinancialYear><in-capmkt:Turnover contextRef="D_FinancialYear1" unitRef="INR" decimals="-6">67000000</in-capmkt:Turnover><in-capmkt:DescriptionOfFinancialYear contextRef="I_FinancialYear2">2024-2025</in-capmkt:DescriptionOfFinancialYear><in-capmkt:Turnover contextRef="D_FinancialYear2" unitRef="INR" decimals="-5">33100000</in-capmkt:Turnover><in-capmkt:DescriptionOfFinancialYear contextRef="I_FinancialYear3">2023-2024</in-capmkt:DescriptionOfFinancialYear><in-capmkt:Turnover contextRef="D_FinancialYear3" unitRef="INR" decimals="-5">36600000</in-capmkt:Turnover><in-capmkt:CountryInWhichTheAcquiredEntityHasPresence contextRef="OneI">India</in-capmkt:CountryInWhichTheAcquiredEntityHasPresence></xbrli:xbrl>
