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unitRef="INR">-200000</in-capmkt:OtherComprehensiveIncomeNetOfTaxes><in-capmkt:ComprehensiveIncomeForThePeriod contextRef="OneD" decimals="-5" unitRef="INR">240400000</in-capmkt:ComprehensiveIncomeForThePeriod><in-capmkt:PaidUpValueOfEquityShareCapital contextRef="OneD" decimals="-5" unitRef="INR">146700000</in-capmkt:PaidUpValueOfEquityShareCapital><in-capmkt:FaceValueOfEquityShareCapital contextRef="OneD" decimals="INF" unitRef="INRPerShare">1</in-capmkt:FaceValueOfEquityShareCapital><in-capmkt:BasicEarningsLossPerShareFromContinuingOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">1.96</in-capmkt:BasicEarningsLossPerShareFromContinuingOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">1.96</in-capmkt:DilutedEarningsLossPerShareFromContinuingOperations><in-capmkt:BasicEarningsLossPerShareFromDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:BasicEarningsLossPerShareFromDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">0</in-capmkt:DilutedEarningsLossPerShareFromDiscontinuedOperations><in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">1.96</in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">1.96</in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">1) The above unaudited standalone financial results which are published in accordance with Regulation 33 of the SEBI (Listing Obligations &amp; Disclosure Requirements) Regulations, 2015 ('Listing Regulations') have been reviewed by the Audit Committee at their meeting held on 29th January 2026 and approved by the Board of Directors at their meeting held on 29th January 2026.  The financial results are prepared in accordance with the Ind AS prescribed under Section 133 of the Companies Act, 2013 and other accounting principles generally accepted in India. &lt;BR&gt; 
 &lt;BR&gt; 
2) On 21st November, 2025 the Government of India notified four Labour Codes.  These Labour Codes consolidate twenty-nine existing labour laws into a unified framework governing employee benefits during employment and post-employment and amongst other things introduce changes, including a uniform definition of wages and enhanced benefits relating to leave. The adjustments for Labour Codes represent an increase in gratuity liability arising out of past service cost and increase in leave liability together by INR 1,454 Lacs.  Considering the impact arising out of an enactment of the new legislation is an event of non-recurring nature, the Company has presented this incremental amount as ”Impact of Labour Codes" under "Exceptional Item" in the Standalone financial results for the quarter and nine months ended 31st December 2025. The Company continues to monitor the developments pertaining to Labour Codes and will evaluate impact if any on the measurement of liability pertaining to employee benefits. &lt;BR&gt; 
 &lt;BR&gt; 
3) Earnings per equity share includes Ind AS impact of consolidation of 23,689,390 equity shares of INR 1 each and 46,750 equity shares of 1 each held by IEI Shareholding (Staff Welfare) Trusts and  HMIL Shareholding (Staff Welfare) Trusts respectively. &lt;BR&gt; 
 &lt;BR&gt; 
4) Cost of material consumed includes direct expenses incurred on contracts of: &lt;BR&gt; 
 &lt;BR&gt; 
a) INR 2,841 Lacs for the quarter ended 31st December 2025, INR 2,073 Lacs for the quarter ended 30th September 2025, and INR 1,774 Lacs for the quarter ended 31st December 2024.						 &lt;BR&gt; 
 &lt;BR&gt; 
b) INR 6,724 Lacs for the nine months ended 31st December 2025 and INR 5,917 Lacs for the nine months ended 31st December 2024.				 &lt;BR&gt; 
 &lt;BR&gt; 
c) INR 8,319 Lacs for the year ended 31st March 2025. &lt;BR&gt; 
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contextRef="FourD" decimals="-5" unitRef="INR">1592900000</in-capmkt:SegmentProfitBeforeTax><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable31D">Engineering</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable31I" decimals="-5" unitRef="INR">16156900000</in-capmkt:SegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable32D">Chemicals</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable32I" decimals="-5" unitRef="INR">9597000000</in-capmkt:SegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable33D">Consumer Products</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable33I" decimals="-5" unitRef="INR">1355400000</in-capmkt:SegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable34D">Unallocated</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable34I" decimals="-5" unitRef="INR">3139100000</in-capmkt:SegmentAssets><in-capmkt:SegmentAssets contextRef="OneI" decimals="-5" unitRef="INR">30248400000</in-capmkt:SegmentAssets><in-capmkt:UnAllocableAssets contextRef="OneI" decimals="-5" unitRef="INR">0</in-capmkt:UnAllocableAssets><in-capmkt:NetSegmentAssets contextRef="OneI" decimals="-5" unitRef="INR">30248400000</in-capmkt:NetSegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable41D">Engineering</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable41I" decimals="-5" unitRef="INR">8726000000</in-capmkt:SegmentLiabilities><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable42D">Chemicals</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable42I" decimals="-5" unitRef="INR">5827600000</in-capmkt:SegmentLiabilities><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable43D">Consumer Products</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable43I" decimals="-5" unitRef="INR">1109600000</in-capmkt:SegmentLiabilities><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable44D">Unallocated</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable44I" decimals="-5" unitRef="INR">878900000</in-capmkt:SegmentLiabilities><in-capmkt:SegmentLiabilities contextRef="OneI" decimals="-5" unitRef="INR">16542100000</in-capmkt:SegmentLiabilities><in-capmkt:UnAllocableLiabilities contextRef="OneI" decimals="-5" unitRef="INR">0</in-capmkt:UnAllocableLiabilities><in-capmkt:NetSegmentLiabilities contextRef="OneI" decimals="-5" unitRef="INR">16542100000</in-capmkt:NetSegmentLiabilities><in-capmkt:DisclosureOfNotesOnSegmentsExplanatoryTextBlock contextRef="OneD">1) Segments have been identified in line with the Ind AS 108 'Operating Segment'. &lt;BR&gt; 
 &lt;BR&gt; 
2) Unallocable expenses includes INR 1,454 Lacs and INR 1,697 Lacs in Standalone and Consolidated Segment respectively towards impact of Labour Codes for the quarter and nine months ended 31st December 2025.</in-capmkt:DisclosureOfNotesOnSegmentsExplanatoryTextBlock><in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss11">Remeasurement benefit of defined benefit plans</in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss11" decimals="-5" unitRef="INR">-300000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="OneD" decimals="-5" unitRef="INR">-300000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss41">Remeasurement benefit of defined benefit plans</in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss41" decimals="-5" unitRef="INR">-900000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="FourD" decimals="-5" unitRef="INR">-900000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-5" unitRef="INR">-100000</in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss contextRef="FourD" decimals="-5" unitRef="INR">-200000</in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-5" unitRef="INR">0</in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss contextRef="FourD" decimals="-5" unitRef="INR">0</in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss><in-capmkt:OtherComprehensiveIncome contextRef="OneD" decimals="-5" unitRef="INR">-200000</in-capmkt:OtherComprehensiveIncome><in-capmkt:OtherComprehensiveIncome contextRef="FourD" decimals="-5" unitRef="INR">-700000</in-capmkt:OtherComprehensiveIncome></xbrli:xbrl>