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<xbrli:context id="FourReportableSegmentRevenue03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</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:explicitMember dimension="in-bse-fin:ReportableSegmentsAxis">in-bse-fin:FourReportableSegmentRevenue03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentResults01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</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:explicitMember dimension="in-bse-fin:ReportableSegmentsFinanceCostsAxis">in-bse-fin:OneReportableSegmentResults01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
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<xbrli:context id="OneReportableSegmentResults03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</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:explicitMember dimension="in-bse-fin:ReportableSegmentsFinanceCostsAxis">in-bse-fin:OneReportableSegmentResults03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourReportableSegmentResults01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</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:explicitMember dimension="in-bse-fin:ReportableSegmentsFinanceCostsAxis">in-bse-fin:FourReportableSegmentResults01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourReportableSegmentResults02D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</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:explicitMember dimension="in-bse-fin:ReportableSegmentsFinanceCostsAxis">in-bse-fin:FourReportableSegmentResults02Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="FourReportableSegmentResults03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</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:explicitMember dimension="in-bse-fin:ReportableSegmentsFinanceCostsAxis">in-bse-fin:FourReportableSegmentResults03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentAssets01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</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:explicitMember dimension="in-bse-fin:ReportableSegmentAssetsAxis">in-bse-fin:OneReportableSegmentAssets01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentAssets02D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</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:explicitMember dimension="in-bse-fin:ReportableSegmentAssetsAxis">in-bse-fin:OneReportableSegmentAssets02Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentAssets03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</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:explicitMember dimension="in-bse-fin:ReportableSegmentAssetsAxis">in-bse-fin:OneReportableSegmentAssets03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</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:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities01I"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2023-12-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities02D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</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:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities02Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities02I"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2023-12-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities02Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities03D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</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:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities03I"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2023-12-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<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">500400</in-bse-fin:ScripCode>
<in-bse-fin:Symbol contextRef="OneD">TATAPOWER</in-bse-fin:Symbol>
<in-bse-fin:MSEISymbol contextRef="OneD">NOTLISTED</in-bse-fin:MSEISymbol>
<in-bse-fin:NameOfTheCompany contextRef="OneD">Tata Power Company Limited</in-bse-fin:NameOfTheCompany>
<in-bse-fin:ClassOfSecurity contextRef="OneD">Equity</in-bse-fin:ClassOfSecurity>
<in-bse-fin:DateOfStartOfFinancialYear contextRef="OneD">2023-04-01</in-bse-fin:DateOfStartOfFinancialYear>
<in-bse-fin:DateOfEndOfFinancialYear contextRef="OneD">2024-03-31</in-bse-fin:DateOfEndOfFinancialYear>
<in-bse-fin:DateOfBoardMeetingWhenFinancialResultsWereApproved contextRef="OneD">2024-02-09</in-bse-fin:DateOfBoardMeetingWhenFinancialResultsWereApproved>
<in-bse-fin:DateOnWhichPriorIntimationOfTheMeetingForConsideringFinancialResultsWasInformedToTheExchange contextRef="OneD">2024-01-15</in-bse-fin:DateOnWhichPriorIntimationOfTheMeetingForConsideringFinancialResultsWasInformedToTheExchange>
<in-bse-fin:DescriptionOfPresentationCurrency contextRef="OneD">INR</in-bse-fin:DescriptionOfPresentationCurrency>
<in-bse-fin:LevelOfRoundingUsedInFinancialStatements contextRef="OneD">Crores</in-bse-fin:LevelOfRoundingUsedInFinancialStatements>
<in-bse-fin:ReportingQuarter contextRef="OneD">Third quarter</in-bse-fin:ReportingQuarter>
<in-bse-fin:StartTimeOfBoardMeeting contextRef="OneD">14:00:00</in-bse-fin:StartTimeOfBoardMeeting>
<in-bse-fin:EndTimeOfBoardMeeting contextRef="OneD">16:55:00</in-bse-fin:EndTimeOfBoardMeeting>
<in-bse-fin:DateOfStartOfBoardMeeting contextRef="OneD">2024-02-09</in-bse-fin:DateOfStartOfBoardMeeting>
<in-bse-fin:DateOfEndOfBoardMeeting contextRef="OneD">2024-02-09</in-bse-fin:DateOfEndOfBoardMeeting>
<in-bse-fin:DeclarationOfUnmodifiedOpinionOrStatementOnImpactOfAuditQualification contextRef="OneD">Not applicable</in-bse-fin:DeclarationOfUnmodifiedOpinionOrStatementOnImpactOfAuditQualification>
<in-bse-fin:IsCompanyReportingMultisegmentOrSingleSegment contextRef="OneD">Multi segment</in-bse-fin:IsCompanyReportingMultisegmentOrSingleSegment>
<in-bse-fin:DateOfStartOfReportingPeriod contextRef="OneD">2023-10-01</in-bse-fin:DateOfStartOfReportingPeriod>
<in-bse-fin:DateOfEndOfReportingPeriod contextRef="OneD">2023-12-31</in-bse-fin:DateOfEndOfReportingPeriod>
<in-bse-fin:WhetherResultsAreAuditedOrUnaudited contextRef="OneD">Audited</in-bse-fin:WhetherResultsAreAuditedOrUnaudited>
<in-bse-fin:NatureOfReportStandaloneConsolidated contextRef="OneD">Standalone</in-bse-fin:NatureOfReportStandaloneConsolidated>
<in-bse-fin:RevenueFromOperations contextRef="OneD" unitRef="INR" decimals="-7">49262400000.00</in-bse-fin:RevenueFromOperations>
<in-bse-fin:OtherIncome contextRef="OneD" unitRef="INR" decimals="-7">4692600000.00</in-bse-fin:OtherIncome>
<in-bse-fin:Income contextRef="OneD" unitRef="INR" decimals="-7">53955000000.00</in-bse-fin:Income>
<in-bse-fin:CostOfMaterialsConsumed contextRef="OneD" unitRef="INR" decimals="-7">169100000.00</in-bse-fin:CostOfMaterialsConsumed>
<in-bse-fin:PurchasesOfStockInTrade contextRef="OneD" unitRef="INR" decimals="-7">0.00</in-bse-fin:PurchasesOfStockInTrade>
<in-bse-fin:ChangesInInventoriesOfFinishedGoodsWorkInProgressAndStockInTrade contextRef="OneD" unitRef="INR" decimals="-7">0.00</in-bse-fin:ChangesInInventoriesOfFinishedGoodsWorkInProgressAndStockInTrade>
<in-bse-fin:EmployeeBenefitExpense contextRef="OneD" unitRef="INR" decimals="-7">1838800000.00</in-bse-fin:EmployeeBenefitExpense>
<in-bse-fin:FinanceCosts contextRef="OneD" unitRef="INR" decimals="-7">5333200000.00</in-bse-fin:FinanceCosts>
<in-bse-fin:DepreciationDepletionAndAmortisationExpense contextRef="OneD" unitRef="INR" decimals="-7">2843200000.00</in-bse-fin:DepreciationDepletionAndAmortisationExpense>
<in-bse-fin:OtherExpenses contextRef="OneD" unitRef="INR" decimals="-7">38286800000.00</in-bse-fin:OtherExpenses>
<in-bse-fin:Expenses contextRef="OneD" unitRef="INR" decimals="-7">48471100000.00</in-bse-fin:Expenses>
<in-bse-fin:ProfitBeforeExceptionalItemsAndTax contextRef="OneD" unitRef="INR" decimals="-7">5483900000.00</in-bse-fin:ProfitBeforeExceptionalItemsAndTax>
<in-bse-fin:ExceptionalItemsBeforeTax contextRef="OneD" unitRef="INR" decimals="-7">0.00</in-bse-fin:ExceptionalItemsBeforeTax>
<in-bse-fin:ProfitBeforeTax contextRef="OneD" unitRef="INR" decimals="-7">5483900000.00</in-bse-fin:ProfitBeforeTax>
<in-bse-fin:CurrentTax contextRef="OneD" unitRef="INR" decimals="-7">-220700000.00</in-bse-fin:CurrentTax>
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<in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">NOTES TO STANDALONE FINANCIAL RESULTS – Q3 FY24      1.The above results were reviewed by the Audit Committee and approved by the Board of Directors at its meeting held on 9th February, 2024.      2.During the quarter ended 31st December 2023, the Board of Directors of Itezhi Tezhi Power Corporation Limited, an investment classified as asset held for sale, in its meeting dated 3rd November 2023 has declared dividend and accordingly the Company has recognised INR 416 crore as other Income in the standalone financial results.      3.Subsequent to the quarter ended 31st December, 2023, Jharkhand State Electricity Regulatory Commission ('JERC') has published revised Tariff Regulation for control period FY 2022 to 2026 and has also passed true up order for FY 2021-22 and FY 2022-23 in relation to two Jojobera units. The Company has considered the aforesaid revised regulation and true up order and accordingly, recognized additional revenue amounting to INR 72 Crore pertaining to earlier years and INR 16 Crore pertaining to previous quarters of current financial year.      4.The Company is supplying power from the Mundra Power Plant based on the directions of Ministry of Power ( MoP ) under Section 11 of the Electricity Act, 2003 since 16th April, 2023 . Accordingly, the Company has recognised revenue based on the Central Electricity Regulatory Commission (CERC) Order dated 3rd January 2023. On 23rd October, 2023, MoP has extended the term of said directions upto 30th June, 2024.      5.During the quarter ended 30th September 2023, the shareholders of the Company approved ‘The Tata Power Company Limited – Employee Stock Option Plan 2023. During this quarter, the Company has granted  64,82,940 (Sixty Four Lakh Eighty Two Thousand Nine Hundred and Forty) employee stock options to the eligible employees of the Company and its subsidiaries, at an exercise price of INR 249.80 (Rupees Two Hundred Forty Nine and Eighty Paise) per option exercisable into equivalent equity shares of INR 1 each subject to fulfilment of vesting conditions. Accordingly, the Company has recognized employee stock option cost of INR 1 crore.      6.Figures for the previous periods/year are re-classified/re-arranged/re-grouped, wherever necessary.         Debt Equity Ratio: Total Debt /Total Shareholder's Equity      Total Debts - Long term borrowings(including current maturities of long term borrowings), lease liabilities (current and non current), short term borrowings and interest accrued on these debts.      Total Shareholder's equity - Issued share capital and other equity      Debt Service Coverage Ratio(not annualised):      (Profit before exceptional items and tax + interest expenses  + depreciation and amortisation-current tax expense)/   (Interest expense + scheduled principal repayment of  long-term debt and lease liabilities during the period)      For the purpose of computation, scheduled principal repayment of long-term borrowings does not include prepayments(including prepayment by exercise of call / put option).      Interest Service Coverage Ratio:      (Profit before exceptional items and tax + interest expense) / Interest expense</in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock>
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<in-bse-fin:DisclosureOfNotesOnSegmentsExplanatoryTextBlock contextRef="OneD">Generation: 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.      Renewables: Comprises of generation of power from renewable energy sources i.e. wind and solar, rooftop solar projects and electric vehicle charging stations. During the previous year, the company has sold its renewable business to its subsidiaries.      Transmission and Distribution: Comprises of transmission and distribution network, sale of power to retail customers through distribution network and related ancillary services.      Others: Comprises of project management contracts/infrastructure management services,property development and lease rent of oil tanks.      Unallocable includes assets and liabilities considered as held for sale      The Operating Segments have been reported in a manner consistent with the internal reporting provided to the Chief Operating Decision Maker.             RECONCILIATION OF REVENUE                                                Quarter ended            Nine Months ended   Particulars                        31-Dec-23               31-Dec-23                                                 (Audited)               (Audited)           Revenue from Operations                  4,926.24                 15,132.79     Add/(Less): Total Net Movement in Regulatory Deferral Balances                            136.85              31.57      Add/(Less): Unallocable Revenue                                      (38.53)               (114.48)                           Total Segment Revenue as reported above                                     5,024.56                15,049.88</in-bse-fin:DisclosureOfNotesOnSegmentsExplanatoryTextBlock>
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