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<xbrli:context id="OneItemsThatWillBeReclassifiedToProfitAndLoss01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">LTTS</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2023-10-01</xbrli:startDate><xbrli:endDate>2023-12-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-bse-fin:ItemsThatWillBeReclassifiedToProfitAndLossAxis"><ItemsThatWillBeReclassifiedToProfitAndLossDomain>in-bse-fin:OneItemsThatWillBeReclassifiedToProfitAndLoss01Member</ItemsThatWillBeReclassifiedToProfitAndLossDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourItemsThatWillBeReclassifiedToProfitAndLoss01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">LTTS</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2023-10-01</xbrli:startDate><xbrli:endDate>2023-12-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-bse-fin:ItemsThatWillBeReclassifiedToProfitAndLossAxis"><ItemsThatWillBeReclassifiedToProfitAndLossDomain>in-bse-fin:FourItemsThatWillBeReclassifiedToProfitAndLoss01Member</ItemsThatWillBeReclassifiedToProfitAndLossDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context>
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<in-bse-fin:EndTimeOfBoardMeeting contextRef="OneD">15:35:00</in-bse-fin:EndTimeOfBoardMeeting>
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<in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">The Group has completed the acquisition of Smart World &amp; Communication ( SWC ) business of Larsen &amp; Toubro Limited (L&amp;T) on April 1, 2023. The acquisition has been accounted under the 'pooling of interests' method in accordance with Appendix C of Ind AS 103 'Business Combinations' at the carrying value of the assets and liabilities of the SWC. Accordingly, the Group has restated its previously issued consolidated financial results for quarter and nine months ended December 31, 2022, and year ended March 31, 2023 to incorporate the results of SWC</in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentRevenue04D">Telecom &amp; Hitech</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentRevenue05D">Transportation</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentRevenue contextRef="FourReportableSegmentRevenue05D" unitRef="INR" decimals="-6">23500000000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:SegmentRevenue contextRef="OneD" unitRef="INR" decimals="-6">24218000000.00</in-bse-fin:SegmentRevenue>
<in-bse-fin:SegmentRevenue contextRef="FourD" unitRef="INR" decimals="-6">71097000000.00</in-bse-fin:SegmentRevenue>
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<in-bse-fin:SegmentRevenueFromOperations contextRef="FourD" unitRef="INR" decimals="-6">71097000000.00</in-bse-fin:SegmentRevenueFromOperations>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults01D">Industrial Products</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableSegmentResults01D" unitRef="INR" decimals="-6">1234000000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults02D">Medical Devices</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableSegmentResults02D" unitRef="INR" decimals="-6">674000000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults03D">Plant Engineering</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableSegmentResults03D" unitRef="INR" decimals="-6">919000000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults04D">Telecom &amp; Hitech</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableSegmentResults04D" unitRef="INR" decimals="-6">613000000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults05D">Transportation</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableSegmentResults05D" unitRef="INR" decimals="-6">1639000000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults01D">Industrial Products</in-bse-fin:DescriptionOfReportableSegment>
<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="FourReportableSegmentResults01D" unitRef="INR" decimals="-6">3696000000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults02D">Medical Devices</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults03D">Plant Engineering</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults04D">Telecom &amp; Hitech</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="FourReportableSegmentResults05D">Transportation</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:OtherUnallocableExpenditureNetOffUnAllocableIncome contextRef="OneD" unitRef="INR" decimals="-6">293000000.00</in-bse-fin:OtherUnallocableExpenditureNetOffUnAllocableIncome>
<in-bse-fin:DisclosureOfNotesOnSegmentsExplanatoryTextBlock contextRef="OneD">Notes for segment information      a. Segments have been identified in accordance with Indian Accounting Standards ( Ind AS ) 108 on Operating Segments, considering the risk/return profiles of the business, their organisational structure and internal reporting systems.   b. Property, plant and equipment used and liabilities contracted for performing the Group's business have not been identified to any of the above reported segments as the property, plant and equipment and services are used interchangeably among segments.</in-bse-fin:DisclosureOfNotesOnSegmentsExplanatoryTextBlock>
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</xbrli:xbrl>