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contextRef="OneReportableFinance2D">Aluminium</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableFinance2D" decimals="-5" unitRef="INR">8981800000</in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportableFinance3D">Unallocated Commom</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableFinance3D" decimals="-7" unitRef="INR">0</in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts><in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneD" decimals="-5" unitRef="INR">14009700000</in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts><in-capmkt:SegmentFinanceCosts contextRef="OneD" decimals="-5" unitRef="INR">80400000</in-capmkt:SegmentFinanceCosts><in-capmkt:OtherUnallocableExpenditureNetOffUnAllocableIncome contextRef="OneD" decimals="-5" unitRef="INR">-219600000</in-capmkt:OtherUnallocableExpenditureNetOffUnAllocableIncome><in-capmkt:SegmentProfitBeforeTax contextRef="OneD" decimals="-5" unitRef="INR">14148900000</in-capmkt:SegmentProfitBeforeTax><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable31D">Chemicals</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable31I" decimals="-5" unitRef="INR">95640300000</in-capmkt:SegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable32D">Aluminium</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable32I" decimals="-5" unitRef="INR">61099400000</in-capmkt:SegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable33D">Unallocated Commom</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable33I" decimals="-7" unitRef="INR">81480000000</in-capmkt:SegmentAssets><in-capmkt:SegmentAssets contextRef="OneI" decimals="-5" unitRef="INR">238219700000</in-capmkt:SegmentAssets><in-capmkt:UnAllocableAssets contextRef="OneI" decimals="-7" unitRef="INR">0</in-capmkt:UnAllocableAssets><in-capmkt:NetSegmentAssets contextRef="OneI" decimals="-5" unitRef="INR">238219700000</in-capmkt:NetSegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable41D">Chemicals</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable41I" decimals="-5" unitRef="INR">14199700000</in-capmkt:SegmentLiabilities><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable42D">Aluminium</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable42I" decimals="-5" unitRef="INR">21599100000</in-capmkt:SegmentLiabilities><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable43D">Unallocated Commom</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable43I" decimals="-5" unitRef="INR">13906500000</in-capmkt:SegmentLiabilities><in-capmkt:SegmentLiabilities contextRef="OneI" decimals="-5" unitRef="INR">49705300000</in-capmkt:SegmentLiabilities><in-capmkt:UnAllocableLiabilities contextRef="OneI" decimals="-7" unitRef="INR">0</in-capmkt:UnAllocableLiabilities><in-capmkt:NetSegmentLiabilities contextRef="OneI" decimals="-5" unitRef="INR">49705300000</in-capmkt:NetSegmentLiabilities><in-capmkt:DisclosureOfNotesOnSegmentsExplanatoryTextBlock contextRef="OneD">(1)The financial results have been reviewed and recommended by the Audit Committee at the meeting held on 7th August, 2025 and approved by the Board of Directors in its meeting held on 7th August, 2025. Limited Review as required under Regulation 33 of the SEBI (Listing Obligation and Disclosure Requirements) Regulations, 2015 has been carried out by the Joint Statutory Auditors of the Company.						 &lt;BR&gt; 
 (2) The Company has four Joint Venture companies namely- &lt;BR&gt; 
 &lt;BR&gt; 
1. Angul Aluminium Park Pvt. Limited &lt;BR&gt; 
2.GACL-NALCO Alkalies and Chemicals Private Limited &lt;BR&gt; 
3. Khanij Bidesh India Limited &lt;BR&gt; 
4. Utkarsha Aluminium Dhatu Nigam Limited. &lt;BR&gt; 
 &lt;BR&gt; 
Out of the four joint venture companies whose financials have been consolidated, financials of Ms. Utkarsha Aluminium Dhatu Nigam Limited and Ms. Angul Aluminium Park Pvt. Limited, has been consolidated on the basis of financials as certified by the management as on reporting date, the effect of which is not material.						 &lt;BR&gt; 
 (3)The Board of Directors at its meeting held on 7th August 2025 has recommended final dividend of Rs.2.50/- per equity share (50 percent on face value of Rs.5/- each) amounting to  Rs.459.16 crore for the FY 2024-25.						 &lt;BR&gt; 
 (4)The Company has not recognised the revenue from its two wind power plants (WPP) located in the State of Rajasthan due to non execution of fresh Power Purchase Agreement (PPA) since 01.04.2019 and such issue is being subjudice before Hon'ble High Court of Rajasthan based on writ petition filed by the Company.  &lt;BR&gt; 
 &lt;BR&gt; 
Similarly, due to non execution of PPA for WPP-Gandikota, Andhra Pradesh, power generated is wheeled to captive power plant at Angul, Odisha for internal consumption.						 &lt;BR&gt; 
 (5)The figures of the quarter ended 31st March, 2025 are the balancing figures in respect of the audited full financial year ended 31st March, 2025 and the unaudited published year to date figures up to the third quarter ended 31st December, 2024.		 &lt;BR&gt; 
				 &lt;BR&gt; 
 (6)Figures pertaining to previous periods have been regrouped, recast and rearranged, wherever necessary. </in-capmkt:DisclosureOfNotesOnSegmentsExplanatoryTextBlock><in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-5" unitRef="INR">34900000</in-capmkt:IncomeTaxRelatingToItemsThatWillNotBeReclassifiedToProfitOrLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-7" unitRef="INR">0</in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss><in-capmkt:OtherComprehensiveIncome contextRef="OneD" decimals="-5" unitRef="INR">-34900000</in-capmkt:OtherComprehensiveIncome></xbrli:xbrl>