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contextRef="OneD">New</in-capmkt:TypeOfAnnouncementPertainingToRegulation30Restructuring><in-capmkt:TypeOfEventOfAnnouncementPertainingToRegulation30Restructuring contextRef="OneD">Acquisition (including agreement to acquire)</in-capmkt:TypeOfEventOfAnnouncementPertainingToRegulation30Restructuring><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting contextRef="OneD">true</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting><in-capmkt:DateOfBoardMeeting contextRef="OneI">2026-06-22</in-capmkt:DateOfBoardMeeting><in-capmkt:EndTimeOfBoardMeeting contextRef="OneD">18:15:00</in-capmkt:EndTimeOfBoardMeeting><in-capmkt:DateOfReport contextRef="OneI">2026-06-24</in-capmkt:DateOfReport><in-capmkt:NameOfAcquirer contextRef="OneI">TRANSRAIL LIGHTING LIMITED</in-capmkt:NameOfAcquirer><in-capmkt:RelationshipOfAcquirerWithTheListedEntity contextRef="OneD">Listed Entity (self)</in-capmkt:RelationshipOfAcquirerWithTheListedEntity><in-capmkt:NameOfTheTargetEntity contextRef="OneI">Gactel Turnkey Projects Limited</in-capmkt:NameOfTheTargetEntity><in-capmkt:TurnoverOfTargetEntity contextRef="OneD" unitRef="INR" decimals="-5">122400000</in-capmkt:TurnoverOfTargetEntity><in-capmkt:ProfitAfterTaxOfTargetEntity contextRef="OneD" unitRef="INR" decimals="-5">106500000</in-capmkt:ProfitAfterTaxOfTargetEntity><in-capmkt:NetWorthOfTargetEntity contextRef="OneD" unitRef="INR" decimals="-5">119100000</in-capmkt:NetWorthOfTargetEntity><in-capmkt:WhetherTheAcquisitionWouldFallWithinRelatedPartyTransactions contextRef="OneD">true</in-capmkt:WhetherTheAcquisitionWouldFallWithinRelatedPartyTransactions><in-capmkt:DateOfBoardMeetingInWhichRPTApprovalTakenForAcquisitionEvent contextRef="OneI">2026-06-22</in-capmkt:DateOfBoardMeetingInWhichRPTApprovalTakenForAcquisitionEvent><in-capmkt:DateOfAuditCommitteeMeetingInWhichRPTApprovalTakenForAcquisitionEvent contextRef="OneI">2026-06-22</in-capmkt:DateOfAuditCommitteeMeetingInWhichRPTApprovalTakenForAcquisitionEvent><in-capmkt:WhetherAcquisitionEventRPTIsMaterial contextRef="OneD">false</in-capmkt:WhetherAcquisitionEventRPTIsMaterial><in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupCompaniesIncludingAssociateOrHoldingOrSubsidiaryOrDirectorOrKMPOrSMPAndItsRelativesHaveAnyInterestInTheEntityBeingAcquired contextRef="OneD">true</in-capmkt:WhetherThePromoterOrPromoterGroupOrGroupCompaniesIncludingAssociateOrHoldingOrSubsidiaryOrDirectorOrKMPOrSMPAndItsRelativesHaveAnyInterestInTheEntityBeingAcquired><in-capmkt:NatureOfInterestAndDetailsThereofForAcquisitionEvent contextRef="OneI">Promoter- Ajanma Holdings Private Limited being the Holding Company of the Gactel Turnkey Projects Limited</in-capmkt:NatureOfInterestAndDetailsThereofForAcquisitionEvent><in-capmkt:WhetherAcquisitionEventIsDoneAtArmsLength contextRef="OneD">true</in-capmkt:WhetherAcquisitionEventIsDoneAtArmsLength><in-capmkt:IndustryToWhichTheEntityBeingAcquiredBelongs contextRef="OneI">Industrial Cooling Solutions and Engineering Services</in-capmkt:IndustryToWhichTheEntityBeingAcquiredBelongs><in-capmkt:ObjectsAndImpactOfAcquisitionIncludingButNotLimitedToDisclosureOfReasonsForAcquisitionOfTargetEntityIfItsBusinessIsOutsideTheMainLineOfBusinessOfTheListedEntity contextRef="OneI">The acquisition is a strategic investment aimed at strengthening the Company's cooling tower engineering and execution capabilities and concentrating in segments such as Induced Draft Cooling Towers (IDCTs); Repairs, Refurbishment, and Maintenance (MRO) of old cooling towers including NDCTs, IDCTs and Chimneys.  
The acquisition is expected to enhance the Company's end-to-end EPC capabilities, provide access to specialized engineering expertise and support future growth opportunities in cooling tower, industrial chimney and maintenance businesses.</in-capmkt:ObjectsAndImpactOfAcquisitionIncludingButNotLimitedToDisclosureOfReasonsForAcquisitionOfTargetEntityIfItsBusinessIsOutsideTheMainLineOfBusinessOfTheListedEntity><in-capmkt:WhetherAnyGovernmentalOrRegulatoryApprovalsRequiredForTheAcquisition contextRef="OneD">No</in-capmkt:WhetherAnyGovernmentalOrRegulatoryApprovalsRequiredForTheAcquisition><in-capmkt:WhetherTheAcquisitionTransactionWillBeInTranches contextRef="OneD">false</in-capmkt:WhetherTheAcquisitionTransactionWillBeInTranches><in-capmkt:IndicativeTimePeriodForCompletionOfTheAcquisition contextRef="OneI">four months</in-capmkt:IndicativeTimePeriodForCompletionOfTheAcquisition><in-capmkt:NatureOfConsiderationForAcquisitionEvent contextRef="OneD">Cash</in-capmkt:NatureOfConsiderationForAcquisitionEvent><in-capmkt:AmountOfCashConsiderationForAcquisitionEvent contextRef="OneD" unitRef="INR" decimals="-7">100000000</in-capmkt:AmountOfCashConsiderationForAcquisitionEvent><in-capmkt:DetailsOfConsiderationForAcquisitionEvent contextRef="OneI">Cash consideration. The Company proposes to acquire 100% of the equity share capital of Gactel from Ajanma Holdings Private Limited for an aggregate consideration not exceeding ₹10 Crore, subject to final valuation and execution of definitive agreements.</in-capmkt:DetailsOfConsiderationForAcquisitionEvent><in-capmkt:CostOfAcquisitionOrThePriceAtWhichTheSharesAreAcquired contextRef="OneD" unitRef="INR" decimals="-7">100000000</in-capmkt:CostOfAcquisitionOrThePriceAtWhichTheSharesAreAcquired><in-capmkt:ExistingPercentageOfShareholdingHeldByAcquirer contextRef="OneI" unitRef="pure" decimals="INF">0</in-capmkt:ExistingPercentageOfShareholdingHeldByAcquirer><in-capmkt:PercentageOfControlAcquired contextRef="OneI" unitRef="pure" decimals="INF">1</in-capmkt:PercentageOfControlAcquired><in-capmkt:PercentageOfAdditionalSharesAcquiredIfExistingHoldingPersists contextRef="OneI" unitRef="pure" decimals="INF">1</in-capmkt:PercentageOfAdditionalSharesAcquiredIfExistingHoldingPersists><in-capmkt:BriefBackgroundAboutTheEntityAcquiredInTermsOfProductsLineOfBusinessAcquired contextRef="OneI">Gactel Turnkey Projects Limited ("Gactel"), a public limited company incorporated on May 17, 1995 under the Companies Act, 1956. Gactel is a specialized turnkey industrial cooling solutions company, engaged in providing wet cooling towers, dry cooling systems, air-cooled condensers and related engineering services. Gactel also undertakes repair, refurbishment and maintenance of cooling towers and construction of industrial chimneys.
Gactel has an operational presence in India and executes projects across various industrial and infrastructure sectors. It possesses specialized engineering and project execution capabilities in the cooling solutions segment.
Upon completion of the proposed acquisition, Gactel Turnkey Projects Limited shall become a wholly owned subsidiary of the Company.</in-capmkt:BriefBackgroundAboutTheEntityAcquiredInTermsOfProductsLineOfBusinessAcquired><in-capmkt:DateOfIncorporationForAcquisitionEvent contextRef="OneI">1995-05-17</in-capmkt:DateOfIncorporationForAcquisitionEvent><in-capmkt:DescriptionOfFinancialYear contextRef="I_FinancialYear1">2025-2026</in-capmkt:DescriptionOfFinancialYear><in-capmkt:Turnover contextRef="D_FinancialYear1" unitRef="INR" decimals="-5">122400000</in-capmkt:Turnover><in-capmkt:DescriptionOfFinancialYear contextRef="I_FinancialYear2">2024-2025</in-capmkt:DescriptionOfFinancialYear><in-capmkt:Turnover contextRef="D_FinancialYear2" unitRef="INR" decimals="-7">0</in-capmkt:Turnover><in-capmkt:DescriptionOfFinancialYear contextRef="I_FinancialYear3">2023-2024</in-capmkt:DescriptionOfFinancialYear><in-capmkt:Turnover contextRef="D_FinancialYear3" unitRef="INR" decimals="-7">0</in-capmkt:Turnover><in-capmkt:CountryInWhichTheAcquiredEntityHasPresence contextRef="OneI">India</in-capmkt:CountryInWhichTheAcquiredEntityHasPresence></xbrli:xbrl>
