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<xbrli:unit id="INR"><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unit><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><xbrli:unit id="shares"><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unit><xbrli:unit id="INRPerShare"><xbrli:divide><xbrli:unitNumerator><xbrli:measure>iso4217:INR</xbrli:measure></xbrli:unitNumerator><xbrli:unitDenominator><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unitDenominator></xbrli:divide></xbrli:unit>
<in-bse-fin:ScripCode contextRef="OneD">500575</in-bse-fin:ScripCode>
<in-bse-fin:Symbol contextRef="OneD">VOLTAS</in-bse-fin:Symbol>
<in-bse-fin:MSEISymbol contextRef="OneD">NOTLISTED</in-bse-fin:MSEISymbol>
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<in-bse-fin:ClassOfSecurity contextRef="OneD">Equity</in-bse-fin:ClassOfSecurity>
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<in-bse-fin:DateOfBoardMeetingWhenFinancialResultsWereApproved contextRef="OneD">2025-01-29</in-bse-fin:DateOfBoardMeetingWhenFinancialResultsWereApproved>
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<in-bse-fin:LevelOfRoundingUsedInFinancialStatements contextRef="OneD">Crores</in-bse-fin:LevelOfRoundingUsedInFinancialStatements>
<in-bse-fin:ReportingQuarter contextRef="OneD">Third quarter</in-bse-fin:ReportingQuarter>
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<in-bse-fin:DilutedEarningsLossPerShareFromDiscontinuedOperations contextRef="OneD" unitRef="INRPerShare" decimals="INF">0.00</in-bse-fin:DilutedEarningsLossPerShareFromDiscontinuedOperations>
<in-bse-fin:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" unitRef="INRPerShare" decimals="INF">3.99</in-bse-fin:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations>
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<in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">1) These results have been reviewed by the Board Audit Committee at Meeting held on 28th January, 2025 and approved by the Board of Directors at its Meeting held on 29th January, 2025.   2) As earlier reported, the Group had through its Qatar Branch entered into a sub-contract along with a consortium partner with a Main Contractor in the year 2010. The Main Contract between the Ultimate Client and the Main Contractor was terminated by the Ultimate Client closer to the completion of the contract in 2014 citing delays and defects in execution and initiated arbitration proceedings against the Main Contractor for which the final award is pending. Accordingly, the Group had made a comprehensive assessment of the losses arising on account of such termination of the Main contract and cessation of work and accounted for all probable losses on the sub-contract in the earlier years.   The Group had issued bank guarantees amounting to approximately Rs.391 crores (QAR 166.6 million) to the Main Contractor which have been disclosed as a contingent liability over the years. In June 2023, the Group was intimated of a request received by the Bank from the Main Contractor for encashment of the said bank guarantees, which due to certain deficiencies was not paid by the Bank to the Main Contractor. The Main Contractor had filed a suit against the Bank which has been dismissed. Further, the Group and the Main Contractor had also filed claims and counter claims against each other which have also been dismissed and accordingly, all the parties, including the Group, have filed their respective appeals with the Court of Appeal. The Court of Appeal (Qatar) has set aside the Investment and Trade Court (Qatar) order and instructed them to re-consider the matter afresh. Due to the aforesaid developments, the Group had re-assessed its liability under the subcontract and also sought legal opinion by an independent lawyer on the contractual aspect and is confident that it has good grounds to defend any claims that may arise. Accordingly, no further provision has been considered in the financial results. The Group has taken all necessary steps, including legal remedies to safeguard and defend itself. The matter is sub-judice and the Group is closely monitoring the developments as they arise.   3) The Statutory Auditors of the Company have conducted a  Limited Review  of the aforesaid financial results.</in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock>
<in-bse-fin:IsCompanyReportingMultisegmentOrSingleSegment contextRef="FourD">Multi segment</in-bse-fin:IsCompanyReportingMultisegmentOrSingleSegment>
<in-bse-fin:DateOfStartOfReportingPeriod contextRef="FourD">2024-04-01</in-bse-fin:DateOfStartOfReportingPeriod>
<in-bse-fin:DateOfEndOfReportingPeriod contextRef="FourD">2024-12-31</in-bse-fin:DateOfEndOfReportingPeriod>
<in-bse-fin:WhetherResultsAreAuditedOrUnaudited contextRef="FourD">Unaudited</in-bse-fin:WhetherResultsAreAuditedOrUnaudited>
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<in-bse-fin:DilutedEarningsLossPerShareFromContinuingOperations contextRef="FourD" unitRef="INRPerShare" decimals="INF">18.14</in-bse-fin:DilutedEarningsLossPerShareFromContinuingOperations>
<in-bse-fin:BasicEarningsLossPerShareFromDiscontinuedOperations contextRef="FourD" unitRef="INRPerShare" decimals="INF">0.00</in-bse-fin:BasicEarningsLossPerShareFromDiscontinuedOperations>
<in-bse-fin:DilutedEarningsLossPerShareFromDiscontinuedOperations contextRef="FourD" unitRef="INRPerShare" decimals="INF">0.00</in-bse-fin:DilutedEarningsLossPerShareFromDiscontinuedOperations>
<in-bse-fin:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="FourD" unitRef="INRPerShare" decimals="INF">18.14</in-bse-fin:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations>
<in-bse-fin:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="FourD" unitRef="INRPerShare" decimals="INF">18.14</in-bse-fin:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations>
<in-bse-fin:DescriptionOfOtherExpenses contextRef="OneOperatingExpenses01D">Other Expenses</in-bse-fin:DescriptionOfOtherExpenses>
<in-bse-fin:OtherExpenses contextRef="OneOperatingExpenses01D" unitRef="INR" decimals="-7">2958950000.00</in-bse-fin:OtherExpenses>
<in-bse-fin:DescriptionOfOtherExpenses contextRef="FourOperatingExpenses01D">Other Expenses</in-bse-fin:DescriptionOfOtherExpenses>
<in-bse-fin:OtherExpenses contextRef="FourOperatingExpenses01D" unitRef="INR" decimals="-7">9752500000.00</in-bse-fin:OtherExpenses>
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<in-bse-fin:SegmentRevenue contextRef="OneReportableSegmentRevenue01D" unitRef="INR" decimals="-7">17711300000.00</in-bse-fin:SegmentRevenue>
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<in-bse-fin:InterSegmentRevenue contextRef="FourD" unitRef="INR" decimals="-7">195000000.00</in-bse-fin:InterSegmentRevenue>
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<in-bse-fin:SegmentRevenueFromOperations contextRef="FourD" unitRef="INR" decimals="-7">105924200000.00</in-bse-fin:SegmentRevenueFromOperations>
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<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableSegmentResults01D" unitRef="INR" decimals="-7">1042900000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentResults02D">b )  Segment-B (Electro-Mechanical Projects and Services)</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="FourReportableSegmentResults03D" unitRef="INR" decimals="-7">1212500000.00</in-bse-fin:SegmentProfitLossBeforeTaxAndFinanceCosts>
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<in-bse-fin:DisclosureOfNotesOnSegmentsExplanatoryTextBlock contextRef="OneD">1) Segment 'A' is seasonal in nature with sales generally being highest in the first quarter.         Note: Under Segment Results - Add/ Less field, please note that Share of profit/ (loss) of joint ventures and associates (net of tax) figures are clubbed with Finance Cost as no separate row item is available.</in-bse-fin:DisclosureOfNotesOnSegmentsExplanatoryTextBlock>
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