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<xbrli:context id="FourReportableSegmentRevenue04D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2022-10-01</xbrli:startDate><xbrli:endDate>2022-12-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsAxis">in-bse-fin:FourReportableSegmentRevenue04Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
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<xbrli:context id="FourReportableSegmentResults01D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2022-10-01</xbrli:startDate><xbrli:endDate>2022-12-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsFinanceCostsAxis">in-bse-fin:FourReportableSegmentResults01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
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<xbrli:context id="FourReportableSegmentResults04D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2022-10-01</xbrli:startDate><xbrli:endDate>2022-12-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentsFinanceCostsAxis">in-bse-fin:FourReportableSegmentResults04Member</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>2022-10-01</xbrli:startDate><xbrli:endDate>2022-12-31</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>2022-10-01</xbrli:startDate><xbrli:endDate>2022-12-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentAssetsAxis">in-bse-fin:OneReportableSegmentAssets02Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
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<xbrli:context id="OneReportableSegmentLiabilities01I"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2022-12-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities01Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
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<xbrli:context id="OneReportableSegmentLiabilities02I"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2022-12-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities02Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
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<xbrli:context id="OneReportableSegmentLiabilities03I"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2022-12-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities03Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities04D"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2022-10-01</xbrli:startDate><xbrli:endDate>2022-12-31</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities04Member</xbrldi:explicitMember></xbrli:scenario></xbrli:context>
<xbrli:context id="OneReportableSegmentLiabilities04I"><xbrli:entity><xbrli:identifier scheme="http://www.nseindia.com/NSESymbol">TATAPOWER</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2022-12-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-bse-fin:ReportableSegmentLiabilitiesAxis">in-bse-fin:OneReportableSegmentLiabilities04Member</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:Symbol contextRef="OneD">TATAPOWER</in-bse-fin:Symbol>
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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>
<in-bse-fin:WhetherCashFlowStatementIsApplicableOnCompany contextRef="OneD">false</in-bse-fin:WhetherCashFlowStatementIsApplicableOnCompany>
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<in-bse-fin:DisclosureOfNotesOnFinancialResultsExplanatoryTextBlock contextRef="OneD">NOTES TO STANDALONE FINANCIAL RESULTS – Q3 FY23      1.The above results were reviewed by the Audit Committee and approved by the Board of Directors at its meeting held on 3rd February, 2023.      2.On 5th May, 2022, Ministry of Power ( MoP ) issued directions under Section 11 of the Electricity Act, 2003 to all imported coal-based power plants including Mundra Power plant to operate and generate power to their full capacity. Accordingly, the Company has declared availability and supplied power as per the MoP directions from 6th May, 2022 to 31st December, 2022 and recognized revenue based on the tariff notified by MoP. On 13th September 2022 and 3rd January, 2023, Central Electricity Regulatory Commission (“CERC”) passed favourable orders to compensate adverse financial impact to the Company for power supplied under MoP directions and accordingly, the Company has recognized revenue based on these CERC orders. Revenue for the quarter ended 30th September, 2022 and 31st December, 2022 includes an amount of INR 151 crore and INR 439 crore relating to earlier quarters respectively.        3.Pursuant to the agreements signed on 14th April 2022 with Green Forest New Energies Bidco Ltd. (UK) (“Investor”) for investment in Tata Power Renewable Energy Limited (TPREL) by the Investor, during the quarter ended 30th September 2022, the Company has sold its wind assets, rooftop projects, Electric Vehicle (EV) charging business and equity investment in Tata Power Solar Systems Ltd., Tata Power Green Energy Ltd., TP Saurya Ltd., TP Kirnali Solar Ltd., TP Solapur Solar Ltd., TP Akkalkot Renewable Ltd., TP Solapur Saurya Ltd., TP Roofurja Renewable Ltd. and Supa Windfarm Ltd to TPREL and its subsidiary at a consideration of INR 1,257 crore. The said transactions have resulted in net profit of INR 688 crore which has been disclosed as exceptional items in the financial results.      4.During the quarter ended 30th June, 2022, the Company has reassessed recoverability of unabsorbed depreciation and has recognized deferred tax asset amounting to INR 111 crore.      5.On 31st March, 2022, the Hon’ble National Company Law Tribunal (“NCLT”) had approved the composite scheme of arrangement for merger of Coastal Gujarat Power Limited (“CGPL”) and the scheme of arrangement for merger of Af-taab Investment Company Limited with the Holding Company. The appointed date of merger was 1st April, 2020 and accordingly, the financial results for the quarter and period ended 31st December, 2021 have been restated.      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, other equity, unsecured perpetual securities.       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 debt 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.      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-22             31-Dec-22                                                               (Audited)              (Audited)           Revenue from Operations              5,296.17                 14,677.24     Add/(Less): Net Movement in Regulatory Deferral Balances                            187.48        941.79     Add/(Less): Deferred Tax Recoverable/(Payable)                                             12.37                    34.92     Add/(Less): Unallocable Revenue                              (40.28)                (118.24)   Total Segment Revenue                              5,455.74                      15,535.71  Total Segment Revenue as reported above                             5,455.74                     15,535.71</in-bse-fin:DisclosureOfNotesOnSegmentsExplanatoryTextBlock>
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<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentAssets02D">Others</in-bse-fin:DescriptionOfReportableSegment>
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<in-bse-fin:SegmentLiabilities contextRef="OneReportableSegmentLiabilities03I" unitRef="INR" decimals="-7">0.00</in-bse-fin:SegmentLiabilities>
<in-bse-fin:DescriptionOfReportableSegment contextRef="OneReportableSegmentLiabilities04D">Transmission and Distribution</in-bse-fin:DescriptionOfReportableSegment>
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