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unitRef="INR">12663700000</in-capmkt:ComprehensiveIncomeForThePeriodAttributableToOwnersOfParent><in-capmkt:ComprehensiveIncomeForThePeriodAttributableToOwnersOfParentNonControllingInterests contextRef="OneD" decimals="-5" unitRef="INR">2087400000</in-capmkt:ComprehensiveIncomeForThePeriodAttributableToOwnersOfParentNonControllingInterests><in-capmkt:PaidUpValueOfEquityShareCapital contextRef="OneD" decimals="-5" unitRef="INR">3195600000</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">3.68</in-capmkt:BasicEarningsLossPerShareFromContinuingOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">3.67</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">3.68</in-capmkt:BasicEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations contextRef="OneD" decimals="INF" unitRef="INRPerShare">3.67</in-capmkt:DilutedEarningsLossPerShareFromContinuingAndDiscontinuedOperations><in-capmkt:DebtEquityRatio contextRef="OneD" decimals="INF" unitRef="pure">0.0163</in-capmkt:DebtEquityRatio><in-capmkt:DebtServiceCoverageRatio contextRef="OneD" decimals="INF" unitRef="pure">0.0174</in-capmkt:DebtServiceCoverageRatio><in-capmkt:InterestServiceCoverageRatio contextRef="OneD" decimals="INF" unitRef="pure">0.0238</in-capmkt:InterestServiceCoverageRatio><in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">NOTES TO THE CONSOLIDATED FINANCIAL RESULTS – Q1 FY27 &lt;br /&gt; 
 &lt;br /&gt; 
	 &lt;br /&gt; 
1.	The above consolidated financial results of The Tata Power Company Limited ("the Holding Company") and its subsidiaries (together referred to as "Group"), associates and joint ventures were reviewed by the Audit Committee and approved by the Board of Directors at its meeting held on 27th July, 2026. &lt;br /&gt; 
 &lt;br /&gt; 
2.	The shareholders of the Holding Company in their meeting held on 7th July, 2026 approved final dividend of  INR 2.50 per fully paid equity share aggregating to INR 798.83 crore for the financial year 2025-26. The said dividend has been paid to the holders of fully paid equity shares on 10th July, 2026. &lt;br /&gt; 
 &lt;br /&gt; 
3.	The Holding Company supplied power from the Mundra Power Plant ("Plant") upto 30th June, 2025, based on the directions of the Ministry of Power ("MoP") under Section 11 of the Electricity Act, 2003 since 16th April, 2023. Effective 3rd July, 2025, the Holding Company temporarily suspended operations of the Plant to undertake pending overhauling activities aimed at resolving existing technical issues. On 23rd March, 2026, with effect from 1st April, 2025, the Holding Company executed the supplementary power purchase agreement ("SPPA") with Gujarat Urja Vikas Nigam Limited (“GUVNL”), with revised tariff and power supply framework, which superseded the earlier PPA for GUVNL’s contracted capacity. While approvals from the remaining procurers are in progress, the MoP issued directions under Section 11 on 22nd March, 2026, permitting plant operations from 1st April, 2026 to 30th June, 2026 with the terms of the SPPA which have been extended up to 30th September, 2026, during which period management expects completion of the SPPA with the others procurers. &lt;br /&gt; 
 &lt;br /&gt; 
4.	On 26th September, 2023 the Singapore International Arbitration Centre (SIAC) published a liability award whereby the Arbitral Tribunal held that the Holding Company was in breach of certain clauses of the Non-disclosure agreements entered into with Kleros Capital Partners Limited ('Kleros') and of its contractual duty of good faith and confidence. Further, on 1st July, 2025 and 27th August, 2025, the SIAC published a quantum award and final award (together referred to as 'awards'), directing the Holding Company to pay Kleros damages for loss of opportunity of USD 490,320,000 with simple interest of 5.33% from 30th November, 2020 and cost of SGD 11,341,963.46 with simple interest of 5.33% from 1st July, 2025. The Holding Company has obtained a view from its legal counsel stating that the Holding Company has various justifiable grounds to seek setting aside the awards with high probability of a favorable outcome. Based on the legal advice the Holding Company has filed an appeal on 23rd October, 2025, with the Singapore International Commercial Court (SICC) for setting aside the awards and does not foresee any affirmative payment obligation. Considering this, no provision has been recorded in the financial results for the quarter ended 30th June, 2026. The hearings on the case are completed and the order is reserved in this matter. &lt;br /&gt; 
 &lt;br /&gt; 
5.	Figures for the quarter ended 31st March, 2026 are the balancing figures between the audited figures in respect of the full financial year ended 31st March, 2026 and the unaudited figures of nine months ended 31st December, 2025 which were subjected to limited review. &lt;br /&gt; 
 &lt;br /&gt; 
6.	The standalone audited financial results of the Holding Company are available for Investors at www.tatapower.com, www.nseindia.com and www.bseindia.com. &lt;br /&gt; 
 &lt;br /&gt; 
 &lt;br /&gt; 
 &lt;br /&gt; 
 &lt;br /&gt; 
RATIO DEFINITION: &lt;br /&gt; 
 &lt;br /&gt; 
Debt Equity Ratio : Total Debt(1) / Total Equity(2) &lt;br /&gt; 
 &lt;br /&gt; 
Debt Service Coverage Ratio :  &lt;br /&gt; 
(Profit before exceptional items &amp; tax + interest expenses  + depreciation &amp; amortisation - current tax expense) / (Interest expense + scheduled principal repayment of long-term debt and lease liabilities during the period(3)) &lt;br /&gt; 
 &lt;br /&gt; 
Interest Service Coverage Ratio : &lt;br /&gt; 
(Profit before exceptional items and tax + Interest expense) / Interest expense &lt;br /&gt; 
 &lt;br /&gt; 
(1) Total Debt: Long term borrowings (including current maturities of long term borrowings), lease liabilities (current and non current), short term borrowings and interest accrued on debts &lt;br /&gt; 
(2) Total Equity : Issued share capital, other equity and non-controlling interest &lt;br /&gt; 
(3) For the purpose of computation, scheduled principal repayment of long term borrowings does not include refinancing/prepayments (including prepayment by exercise of call/put option). &lt;br /&gt; 
 &lt;br /&gt; 
</in-capmkt:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses1D">Cost of Power Purchased</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses1D" decimals="-5" unitRef="INR">61642300000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses2D">Cost of Fuel</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses2D" decimals="-5" unitRef="INR">38681900000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses3D">Transmission Charges</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses3D" decimals="-5" unitRef="INR">3733300000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfOtherExpenses contextRef="OneExpenses4D">Other Expenses</in-capmkt:DescriptionOfOtherExpenses><in-capmkt:OtherExpenses contextRef="OneExpenses4D" decimals="-6" unitRef="INR">17308000000</in-capmkt:OtherExpenses><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable1D">Thermal &amp; Hydro</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentRevenue contextRef="OneReportable1D" decimals="-5" unitRef="INR">51928300000</in-capmkt:SegmentRevenue><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable2D">Renewables</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentRevenue contextRef="OneReportable2D" decimals="-5" unitRef="INR">37714600000</in-capmkt:SegmentRevenue><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable3D">Transmission and Distribution</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentRevenue contextRef="OneReportable3D" decimals="-6" unitRef="INR">114407000000</in-capmkt:SegmentRevenue><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable4D">Others</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentRevenue contextRef="OneReportable4D" decimals="-5" unitRef="INR">1064400000</in-capmkt:SegmentRevenue><in-capmkt:SegmentRevenue contextRef="OneD" decimals="-5" unitRef="INR">205114300000</in-capmkt:SegmentRevenue><in-capmkt:InterSegmentRevenue contextRef="OneD" decimals="-5" unitRef="INR">16299900000</in-capmkt:InterSegmentRevenue><in-capmkt:SegmentRevenueFromOperations contextRef="OneD" decimals="-5" unitRef="INR">188814400000</in-capmkt:SegmentRevenueFromOperations><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportableFinance1D">Thermal &amp; Hydro</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableFinance1D" decimals="-5" unitRef="INR">10982400000</in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportableFinance2D">Renewables</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableFinance2D" decimals="-6" unitRef="INR">12104000000</in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportableFinance3D">Transmission and Distribution</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableFinance3D" decimals="-5" unitRef="INR">7749900000</in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportableFinance4D">Others</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneReportableFinance4D" decimals="-5" unitRef="INR">-766800000</in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts><in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts contextRef="OneD" decimals="-5" unitRef="INR">30069500000</in-capmkt:SegmentProfitLossBeforeTaxAndFinanceCosts><in-capmkt:SegmentFinanceCosts contextRef="OneD" decimals="-5" unitRef="INR">14067800000</in-capmkt:SegmentFinanceCosts><in-capmkt:OtherUnallocableExpenditureNetOffUnAllocableIncome contextRef="OneD" decimals="-5" unitRef="INR">-2231700000</in-capmkt:OtherUnallocableExpenditureNetOffUnAllocableIncome><in-capmkt:SegmentProfitBeforeTax contextRef="OneD" decimals="-5" unitRef="INR">18233400000</in-capmkt:SegmentProfitBeforeTax><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable31D">Thermal &amp; Hydro</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable31I" decimals="-5" unitRef="INR">413551400000</in-capmkt:SegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable32D">Renewables</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable32I" decimals="-5" unitRef="INR">593816900000</in-capmkt:SegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable33D">Transmission and Distribution</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable33I" decimals="-5" unitRef="INR">552845900000</in-capmkt:SegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable34D">Others</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentAssets contextRef="OneReportable34I" decimals="-6" unitRef="INR">14827000000</in-capmkt:SegmentAssets><in-capmkt:SegmentAssets contextRef="OneI" decimals="-5" unitRef="INR">1575041200000</in-capmkt:SegmentAssets><in-capmkt:UnAllocableAssets contextRef="OneI" decimals="-5" unitRef="INR">204754500000</in-capmkt:UnAllocableAssets><in-capmkt:NetSegmentAssets contextRef="OneI" decimals="-5" unitRef="INR">1779795700000</in-capmkt:NetSegmentAssets><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable41D">Thermal &amp; Hydro</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable41I" decimals="-5" unitRef="INR">41984800000</in-capmkt:SegmentLiabilities><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable42D">Renewables</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable42I" decimals="-5" unitRef="INR">69721200000</in-capmkt:SegmentLiabilities><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable43D">Transmission and Distribution</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable43I" decimals="-5" unitRef="INR">317647200000</in-capmkt:SegmentLiabilities><in-capmkt:DescriptionOfReportableSegment contextRef="OneReportable44D">Others</in-capmkt:DescriptionOfReportableSegment><in-capmkt:SegmentLiabilities contextRef="OneReportable44I" decimals="-5" unitRef="INR">2094300000</in-capmkt:SegmentLiabilities><in-capmkt:SegmentLiabilities contextRef="OneI" decimals="-5" unitRef="INR">431447500000</in-capmkt:SegmentLiabilities><in-capmkt:UnAllocableLiabilities contextRef="OneI" decimals="-5" unitRef="INR">858091500000</in-capmkt:UnAllocableLiabilities><in-capmkt:NetSegmentLiabilities contextRef="OneI" decimals="-6" unitRef="INR">1289539000000</in-capmkt:NetSegmentLiabilities><in-capmkt:DisclosureOfNotesOnSegmentsExplanatoryTextBlock contextRef="OneD">Thermal &amp; Hydro: Comprises of generation of power from hydroelectric sources and thermal sources (coal, gas and oil) from plants owned and operated under lease arrangement and related ancillary services. It also comprises of hydro pump storage, coal - mining, trading, shipping and related infra business. &lt;br /&gt; 
 &lt;br /&gt; 
Renewables: Comprises of generation of power from renewable energy sources i.e. wind and solar. It also comprises rooftop solar projects, electric vehicle charging stations, manufacturing of solar cell and module, EPC and maintenance services with respect to solar. &lt;br /&gt; 
 &lt;br /&gt; 
Transmission and Distribution: Comprises of transmission and distribution network, sale of power to retail customers through distribution network and related ancillary services. It also comprises of power trading business. &lt;br /&gt; 
 &lt;br /&gt; 
Others: Comprises of project management contracts/infrastructure management services, property under development and satellite communication. &lt;br /&gt; 
 &lt;br /&gt; 
Unalloacable Assets and Unallocable Liabilities includes assets and related liabilities held for sale &lt;br /&gt; 
 &lt;br /&gt; 
The Operating Segments have been reported in a manner consistent with the internal reporting provided to the Chief Operating Decision Maker. &lt;br /&gt; 
 &lt;br /&gt; 
RECONCILIATION OF REVENUE AND TOTAL NET MOVEMENT IN REGULATORY DEFERRAL BALANCES &lt;br /&gt; 
 &lt;br /&gt; 
				        		                              Quarter ended	    	               &lt;br /&gt; 
Particulars				                                               30-June-26	               	       &lt;br /&gt; 
				                                                                 (Unaudited)	                       &lt;br /&gt; 
					 &lt;br /&gt; 
Revenue from Operations					                19,051.26		               &lt;br /&gt; 
Add/(Less): Total Movement in Regulatory Deferral Balances (Net)                        (153.09)			       &lt;br /&gt; 
Add/(Less): Unallocable Revenue			                                  (16.73)	                 	 &lt;br /&gt; 
Total Segment Revenue and Net Movement in Regulatory  &lt;br /&gt; 
Deferral Balances as reported above		                                                18,881.44			         </in-capmkt:DisclosureOfNotesOnSegmentsExplanatoryTextBlock><in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss11">Items that will not be reclassified to Profit or Loss</in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss11" decimals="-5" unitRef="INR">2194100000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss12">Movement in Regulatory Deferral Balances</in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss12" decimals="-6" unitRef="INR">422000000</in-capmkt:AmountOfItemThatWillNotBeReclassifiedToProfitAndLoss><in-capmkt:DescriptionOfItemThatWillNotBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillNotBeReclassifiedToProfitAndLoss13">Share of Other Comprehensive Income/(Loss) of Associates 
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Ventures accounted for using the Equity Method (net of tax)</in-capmkt:DescriptionOfItemThatWillBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillBeReclassifiedToProfitAndLoss contextRef="D_ItemsThatWillBeReclassifiedToProfitAndLoss12" decimals="-5" unitRef="INR">34200000</in-capmkt:AmountOfItemThatWillBeReclassifiedToProfitAndLoss><in-capmkt:AmountOfItemThatWillBeReclassifiedToProfitAndLoss contextRef="OneD" decimals="-5" unitRef="INR">-1993700000</in-capmkt:AmountOfItemThatWillBeReclassifiedToProfitAndLoss><in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss contextRef="OneD" decimals="-5" unitRef="INR">-434800000</in-capmkt:IncomeTaxRelatingToItemsThatWillBeReclassifiedToProfitOrLoss><in-capmkt:OtherComprehensiveIncome contextRef="OneD" decimals="-5" unitRef="INR">742500000</in-capmkt:OtherComprehensiveIncome><in-capmkt:WhetherResultsAreAuditedOrUnauditedForImpactOfAuditQualification contextRef="OneD">Unaudited</in-capmkt:WhetherResultsAreAuditedOrUnauditedForImpactOfAuditQualification><in-capmkt:DeclarationPursuantToClauseDOfSubRegulation3OfRegulation33OfSEBILODRRegulation2015 contextRef="OneD">true</in-capmkt:DeclarationPursuantToClauseDOfSubRegulation3OfRegulation33OfSEBILODRRegulation2015><in-capmkt:AuditorsFirmName contextRef="D_Auditor1">SRBC &amp; CO LLP</in-capmkt:AuditorsFirmName><in-capmkt:WhetherTheFirmHoldsAValidPeerReviewCertificateIssuedByPeerReviewBoardOfICAI contextRef="D_Auditor1">true</in-capmkt:WhetherTheFirmHoldsAValidPeerReviewCertificateIssuedByPeerReviewBoardOfICAI><in-capmkt:ValidityDateOfCertificate contextRef="D_Auditor1">2029-02-28</in-capmkt:ValidityDateOfCertificate></xbrli:xbrl>