IDEA2020-07-012020-09-30in-bse-fin:OneOperatingExpenses01Member IDEA2020-07-012020-09-30in-bse-fin:OneOperatingExpenses02Member IDEA2020-07-012020-09-30in-bse-fin:OneOperatingExpenses03Member IDEA2020-07-012020-09-30in-bse-fin:OneOperatingExpenses04Member IDEA2020-07-012020-09-30in-bse-fin:OneOperatingExpenses05Member IDEA2020-07-012020-09-30in-bse-fin:FourOperatingExpenses01Member IDEA2020-07-012020-09-30in-bse-fin:FourOperatingExpenses02Member IDEA2020-07-012020-09-30in-bse-fin:FourOperatingExpenses03Member IDEA2020-07-012020-09-30in-bse-fin:FourOperatingExpenses04Member IDEA2020-07-012020-09-30in-bse-fin:FourOperatingExpenses05Member iso4217:INRxbrli:purexbrli:sharesiso4217:INRxbrli:shares IDEA 2020-04-01 2021-03-31 2020-10-23 INR Millions Half yearly true Cash Flow Indirect Single segment Mobility 2020-07-01 2020-09-30 Unaudited Standalone 107235000000.00 270000000.00 107505000000.00 0.00 0.00 0.00 4682000000.00 46971000000.00 58440000000.00 61885000000.00 171978000000.00 -64473000000.00 -7683000000.00 -72156000000.00 0.00 0.00 0.00 0.00 -72156000000.00 0.00 0.00 0.00 0.00 -72156000000.00 -2416000000.00 -74572000000.00 0.00 0.00 287354000000.00 10 -2.51 -2.51 0.00 0.00 -2.51 -2.51 0.00 0.00 0.00 Single segment 2020-04-01 2020-09-30 Unaudited Standalone 213174000000.00 1910000000.00 215084000000.00 0.00 0.00 0.00 9985000000.00 84980000000.00 116378000000.00 122321000000.00 333664000000.00 -118580000000.00 -206915000000.00 -325495000000.00 0.00 0.00 0.00 0.00 -325495000000.00 0.00 0.00 0.00 0.00 -325495000000.00 -4016000000.00 -329511000000.00 0.00 0.00 287354000000.00 10 -11.33 -11.33 0.00 0.00 -11.33 -11.33 -0.05 0.00 0.01 License Fees and Spectrum Usage Charges 9948000000.00 Marketing, Content, Customer Acquisition & Service Costs 7635000000.00 Network Expenses and IT Outsourcing Costs 24396000000.00 Other Expenses 4559000000.00 Roaming & Access Charges 15347000000.00 License Fees and Spectrum Usage Charges 19964000000.00 Marketing, Content, Customer Acquisition & Service Costs 14252000000.00 Network Expenses and IT Outsourcing Costs 48654000000.00 Other Expenses 9078000000.00 Roaming & Access Charges 30373000000.00 84980000000.00 0.00 4270000000.00 0.00 -2924000000.00 1521000000.00 90000000.00 16326000000.00 391000000.00 17594000000.00 -3421000000.00 -353824000000.00 337900000000.00 118978000000.00 0.00 0.00 -2750000000.00 -177000000.00 -1000000.00 0.00 0.00 0.00 21000000.00 0.00 0.00 -1910000000.00 0.00 198876000000.00 0.00 415940000000.00 90445000000.00 0.00 0.00 0.00 -6900000000.00 0.00 97345000000.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1031000000.00 20369000000.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1405000000.00 0.00 0.00 1115000000.00 1258000000.00 0.00 9580000000.00 0.00 -5980000000.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 38040000000.00 0.00 41090000000.00 0.00 13452000000.00 0.00 0.00 -92582000000.00 -1217000000.00 0.00 -1217000000.00 3184000000.00 1967000000.00