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unitRef="INRPerShare">147.49</in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="FourD" decimals="INF" unitRef="INRPerShare">147.49</in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses1D">Subcontracting charges</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses1D" decimals="-5" unitRef="INR">704500000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses2D">Other expenses</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses2D" decimals="-5" unitRef="INR">3094600000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfOtherExpenses contextRef="FourExpenses1D">Subcontracting charges</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="FourExpenses1D" decimals="-5" unitRef="INR">2095900000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfOtherExpenses contextRef="FourExpenses2D">Other expenses</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="FourExpenses2D" decimals="-5" unitRef="INR">9803100000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss11">Remeasurement gains / (losses) on defined benefit plans</in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss11" decimals="-5" unitRef="INR">30800000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="OneD" decimals="-5" unitRef="INR">30800000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss41">Remeasurement gains / (losses) on defined benefit plans</in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss41" decimals="-5" unitRef="INR">27600000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="FourD" decimals="-5" unitRef="INR">27600000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-5" unitRef="INR">7800000</in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss contextRef="FourD" decimals="-6" unitRef="INR">7000000</in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss><in-capmkt:OtherComprehensiveIncome contextRef="OneD" decimals="-6" unitRef="INR">23000000</in-capmkt:OtherComprehensiveIncome><in-capmkt:OtherComprehensiveIncome contextRef="FourD" decimals="-5" unitRef="INR">20600000</in-capmkt:OtherComprehensiveIncome><in-capmkt:ModeOfFundRaising contextRef="StatementStatic1I">QIP</in-capmkt:ModeOfFundRaising><in-capmkt:DateOfFundsRaising contextRef="StatementStatic1I">2025-03-13</in-capmkt:DateOfFundsRaising><in-capmkt:AmountRaised contextRef="StatementStatic1I" decimals="-5" unitRef="INR">24762900000</in-capmkt:AmountRaised><in-capmkt:DateOfEndOfReportingPeriod contextRef="StatementStatic1D">2025-12-31</in-capmkt:DateOfEndOfReportingPeriod><in-capmkt:MonitoringAgency contextRef="StatementStatic1D">true</in-capmkt:MonitoringAgency><in-capmkt:NameOfMonitoringAgency contextRef="StatementStatic1I">Crisil Ratings Limited</in-capmkt:NameOfMonitoringAgency><in-capmkt:IsThereADeviationOrVariationInUseOfFundsRaised contextRef="StatementStatic1D">false</in-capmkt:IsThereADeviationOrVariationInUseOfFundsRaised><in-capmkt:ExplanationForTheDeviationOrVariation contextRef="StatementStatic1I">Not Applicable</in-capmkt:ExplanationForTheDeviationOrVariation><in-capmkt:CommentsOfTheAuditCommitteeAfterReview contextRef="StatementStatic1I">Not Applicable</in-capmkt:CommentsOfTheAuditCommitteeAfterReview><in-capmkt:CommentsOfTheAuditors contextRef="StatementStatic1I">Not Applicable</in-capmkt:CommentsOfTheAuditors><in-capmkt:NameOfSignatoryOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised contextRef="OneD">Poovanna Ammatanda</in-capmkt:NameOfSignatoryOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised><in-capmkt:DesignationOfPersonOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised contextRef="OneD">Company Secretary and Compliance Officer</in-capmkt:DesignationOfPersonOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised><in-capmkt:PlaceOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised contextRef="OneD">Bengaluru</in-capmkt:PlaceOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised><in-capmkt:DateOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised contextRef="OneI">2026-02-05</in-capmkt:DateOfStatementOfDeviationOrVariationInUtilisationOfFundsRaised><in-capmkt:OriginalObject contextRef="StatementDynamic1I1">Funding the capital expenditure requirements of the Company, including towards expansion and development of Business Units</in-capmkt:OriginalObject><in-capmkt:ModifiedObject contextRef="StatementDynamic1I1">Not Applicable</in-capmkt:ModifiedObject><in-capmkt:OriginalAllocation contextRef="StatementDynamic1I1" decimals="-5" unitRef="INR">15132800000</in-capmkt:OriginalAllocation><in-capmkt:ModifiedAllocation contextRef="StatementDynamic1I1" decimals="-7" unitRef="INR">0</in-capmkt:ModifiedAllocation><in-capmkt:FundsUtilised contextRef="StatementDynamic1I1" decimals="-5" unitRef="INR">1105500000</in-capmkt:FundsUtilised><in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject contextRef="StatementDynamic1I1" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject><in-capmkt:DisclosureNotesOnObjectsForWhichFundsHaveBeenRaisedAndWhereThereHasBeenADeviation contextRef="StatementDynamic1I1">1. Utilisation is in line with the Placement document dated March 13, 2025 &lt;br&gt;&lt;/br&gt; 
2. gross proceeds is Rs. 2,520.82 Crores and net proceeds is Rs. 2,476.29 Crores, out of which Rs. 50.33 Crores was utilised until the previous quarter ended September 30, 2025 and Rs. 60.22 Crores is utilised in the current quarter ended December 31, 2025, totalling to Rs. 110.55 Crores</in-capmkt:DisclosureNotesOnObjectsForWhichFundsHaveBeenRaisedAndWhereThereHasBeenADeviation><in-capmkt:OriginalObject contextRef="StatementDynamic1I2">Funding the working capital requirements of the Company</in-capmkt:OriginalObject><in-capmkt:ModifiedObject contextRef="StatementDynamic1I2">Not Applicable</in-capmkt:ModifiedObject><in-capmkt:OriginalAllocation contextRef="StatementDynamic1I2" decimals="-7" unitRef="INR">3500000000</in-capmkt:OriginalAllocation><in-capmkt:ModifiedAllocation contextRef="StatementDynamic1I2" decimals="-7" unitRef="INR">0</in-capmkt:ModifiedAllocation><in-capmkt:FundsUtilised contextRef="StatementDynamic1I2" decimals="-7" unitRef="INR">0</in-capmkt:FundsUtilised><in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject contextRef="StatementDynamic1I2" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject><in-capmkt:DisclosureNotesOnObjectsForWhichFundsHaveBeenRaisedAndWhereThereHasBeenADeviation contextRef="StatementDynamic1I2">1. No utilisation during the reported quarter &lt;br&gt;&lt;/br&gt; 
2. gross proceeds is Rs. 2,520.82 Crores and net proceeds is Rs. 2,476.29 Crores</in-capmkt:DisclosureNotesOnObjectsForWhichFundsHaveBeenRaisedAndWhereThereHasBeenADeviation><in-capmkt:OriginalObject contextRef="StatementDynamic1I3">General Corporate Purposes</in-capmkt:OriginalObject><in-capmkt:ModifiedObject contextRef="StatementDynamic1I3">Not Applicable</in-capmkt:ModifiedObject><in-capmkt:OriginalAllocation contextRef="StatementDynamic1I3" decimals="-5" unitRef="INR">6130100000</in-capmkt:OriginalAllocation><in-capmkt:ModifiedAllocation contextRef="StatementDynamic1I3" decimals="-7" unitRef="INR">0</in-capmkt:ModifiedAllocation><in-capmkt:FundsUtilised contextRef="StatementDynamic1I3" decimals="-7" unitRef="INR">0</in-capmkt:FundsUtilised><in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject contextRef="StatementDynamic1I3" decimals="-7" unitRef="INR">0</in-capmkt:AmountOfDeviationOrVariationForTheQuarterAccordingToApplicableObject><in-capmkt:DisclosureNotesOnObjectsForWhichFundsHaveBeenRaisedAndWhereThereHasBeenADeviation contextRef="StatementDynamic1I3">1. No utilisation during the reported quarter &lt;br&gt;&lt;/br&gt; 
2. gross proceeds is Rs. 2,520.82 Crores and net proceeds is Rs. 2,476.29 Crores</in-capmkt:DisclosureNotesOnObjectsForWhichFundsHaveBeenRaisedAndWhereThereHasBeenADeviation></xbrli:xbrl>