TATAPOWER2018-01-012018-03-31in-bse-fin:OneOperatingExpenses01Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneOperatingExpenses02Member TATAPOWER2018-01-012018-03-31in-bse-fin:FourOperatingExpenses01Member TATAPOWER2018-01-012018-03-31in-bse-fin:FourOperatingExpenses02Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneReportableSegmentRevenue01Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneReportableSegmentRevenue02Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneReportableSegmentRevenue03Member TATAPOWER2018-01-012018-03-31in-bse-fin:FourReportableSegmentRevenue01Member TATAPOWER2018-01-012018-03-31in-bse-fin:FourReportableSegmentRevenue02Member TATAPOWER2018-01-012018-03-31in-bse-fin:FourReportableSegmentRevenue03Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneReportableSegmentResults01Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneReportableSegmentResults02Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneReportableSegmentResults03Member TATAPOWER2018-01-012018-03-31in-bse-fin:FourReportableSegmentResults01Member TATAPOWER2018-01-012018-03-31in-bse-fin:FourReportableSegmentResults02Member TATAPOWER2018-01-012018-03-31in-bse-fin:FourReportableSegmentResults03Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneReportableSegmentAssets01Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneReportableSegmentAssets02Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneReportableSegmentAssets03Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneReportableSegmentLiabilities01Member TATAPOWER2018-03-31in-bse-fin:OneReportableSegmentLiabilities01Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneReportableSegmentLiabilities02Member TATAPOWER2018-03-31in-bse-fin:OneReportableSegmentLiabilities02Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneReportableSegmentLiabilities03Member TATAPOWER2018-03-31in-bse-fin:OneReportableSegmentLiabilities03Member TATAPOWER2018-01-012018-03-31in-bse-fin:OneItemsThatWillNotBeReclassifiedToProfitAndLoss01Member TATAPOWER2018-01-012018-03-31in-bse-fin:FourItemsThatWillNotBeReclassifiedToProfitAndLoss01Member iso4217:INRxbrli:purexbrli:sharesiso4217:INRxbrli:shares TATAPOWER 2017-04-01 2018-03-31 2018-04-11 INR Crores Yearly Multi segment 2018-01-01 2018-03-31 Audited Standalone 18415900000.00 2712100000.00 21128000000.00 6649500000.00 820600000.00 0.00 1442300000.00 3326600000.00 1887400000.00 3577300000.00 17703700000.00 3424300000.00 -43363200000.00 -39938900000.00 34500000.00 -1711400000.00 -1676900000.00 0.00 -38262000000.00 -160700000.00 968500000.00 -1129200000.00 -39391200000.00 3379600000.00 -36011600000.00 0.00 0.00 0.00 0.00 2705000000.00 1 0.00 0 0.00 -14.23 -14.23 -0.42 -0.42 -14.65 -14.65 2017-04-01 2018-03-31 Audited Standalone 75365900000.00 9293400000.00 84659300000.00 27764000000.00 4120500000.00 0.00 5966900000.00 14313800000.00 6632100000.00 11574000000.00 70371300000.00 14288000000.00 -46734000000.00 -32446000000.00 2242600000.00 -3900800000.00 -1658200000.00 0.00 -30787800000.00 -858700000.00 -141300000.00 -717400000.00 -31505200000.00 449400000.00 -31055800000.00 0.00 0.00 0.00 0.00 275000000.00 1 0.00 0 0.00 0.00 -11.79 -11.79 -0.26 -0.26 -12.05 -12.05 0.01 0.0177 Other Expenses 2879300000.00 Transmission Charges 698000000.00 Other Expenses 8775200000.00 Transmission Charges 2798800000.00 Discontinued Operations 756800000.00 Others 402200000.00 Power Business 17953700000.00 Discontinued Operations 2867400000.00 Others 1656500000.00 Power Business 71349400000.00 0.00 0.00 19112700000.00 75873300000.00 Discontinued Operations 0.00 Others 116100000.00 Power Business 4003300000.00 Discontinued Operations 0.00 Others 482800000.00 Power Business 17493000000.00 3326600000.00 14313800000.00 40731700000.00 36108000000.00 -39938900000.00 -32446000000.00 Discontinued Operations 0.00 Others 21910800000.00 Power Business 139920000000.00 203189900000.00 Discontinued Operations 0.00 Others 11350600000.00 Power Business 35433500000.00 173351300000.00