| Quarterly Financials |  Mar 2015  |  Jun 2015  |  Sept 2015  |  Dec 2015  |  Mar 2016  |  Jun 2016  |  Sept 2016  |  Dec 2016  |  Mar 2017  |  Jun 2017  |  Sept 2017  |  Dec 2017  |  Mar 2018  |  Jun 2018  |  Sept 2018  |  Dec 2018  |  Mar 2019  |  Jun 2019  |  Sept 2019  |  Dec 2019  |  Mar 2020  |  Jun 2020  |  Sept 2020  |  Dec 2020  |  Mar 2021  |  Jun 2021  |  Sept 2021  |  Dec 2021  |  Mar 2022  |  Jun 2022  |  Sept 2022  |  Dec 2022  |  Mar 2023  |  Jun 2023  |  Sept 2023  |  Dec 2023  |  Mar 2024  |  Jun 2024  |  Sept 2024  |  Dec 2024  |  Mar 2025  |  Jun 2025  | 
| Revenue |  731  |  610  |  658  |  681  |  892  |  777  |  756  |  797  |  926  |  853  |  976  |  1,002  |  1,174  |  1,017  |  1,050  |  424  |  1,458  |  2,771  |  677  |  586  |  1,774  |  257  |  257  |  312  |  179  |  88  |  154  |  189  |  227  |  220  |  250  |  265  |  301  |  264  |  262  |  334  |  259  |  266  |  295  |  286  |  329  |  313  | 
| Expenses |  608  |  507  |  527  |  545  |  712  |  619  |  592  |  622  |  743  |  666  |  742  |  806  |  958  |  813  |  832  |  348  |  1,204  |  742  |  678  |  533  |  1,035  |  264  |  243  |  282  |  374  |  102  |  159  |  148  |  176  |  188  |  199  |  595  |  188  |  201  |  337  |  212  |  578  |  223  |  245  |  244  |  240  |  237  | 
| EBITDA |  123  |  103  |  131  |  135  |  180  |  159  |  164  |  175  |  183  |  187  |  234  |  196  |  216  |  205  |  218  |  76  |  253  |  2,029  |  -1  |  53  |  738  |  -7  |  14  |  30  |  -195  |  -14  |  -5  |  41  |  51  |  32  |  51  |  -330  |  113  |  63  |  -75  |  122  |  -319  |  44  |  50  |  42  |  89  |  76  | 
| Operating Profit % |  14 % |  15 % |  18 % |  18 % |  16 % |  16 % |  18 % |  18 % |  17 % |  18 % |  16 % |  17 % |  15 % |  16 % |  15 % |  17 % |  9 % |  9 % |  -2 % |  2 % |  -94 % |  -31 % |  -11 % |  -5 % |  -126 % |  -25 % |  -8 % |  19 % |  -4 % |  11 % |  13 % |  -144 % |  22 % |  19 % |  -30 % |  17 % |  -130 % |  14 % |  9 % |  13 % |  10 % |  12 % | 
| Depreciation |  66  |  57  |  61  |  64  |  68  |  54  |  56  |  58  |  59  |  63  |  64  |  66  |  68  |  72  |  70  |  50  |  72  |  113  |  96  |  106  |  114  |  115  |  81  |  76  |  128  |  41  |  39  |  35  |  33  |  33  |  32  |  48  |  48  |  31  |  30  |  28  |  42  |  35  |  31  |  32  |  28  |  28  | 
| Interest |  78  |  145  |  95  |  80  |  90  |  77  |  75  |  80  |  86  |  82  |  86  |  88  |  91  |  96  |  112  |  14  |  145  |  155  |  123  |  112  |  130  |  85  |  76  |  69  |  31  |  62  |  46  |  -13  |  -41  |  17  |  14  |  27  |  29  |  9  |  11  |  16  |  -7  |  21  |  22  |  21  |  46  |  24  | 
| Profit Before Tax |  -13  |  -86  |  -18  |  1  |  22  |  28  |  33  |  37  |  39  |  43  |  84  |  42  |  57  |  36  |  35  |  12  |  36  |  1,761  |  -220  |  -165  |  494  |  -207  |  -143  |  -115  |  -355  |  -116  |  -90  |  19  |  59  |  -18  |  4  |  -405  |  36  |  23  |  -116  |  78  |  -353  |  -12  |  -4  |  -11  |  15  |  23  | 
| Tax |  -12  |  -11  |  -10  |  -11  |  10  |  10  |  17  |  17  |  14  |  16  |  25  |  14  |  22  |  15  |  11  |  0  |  8  |  89  |  -5  |  -1  |  -61  |  -49  |  -32  |  -5  |  -83  |  1  |  1  |  1  |  1  |  0  |  0  |  4  |  1  |  0  |  -7  |  2  |  -57  |  1  |  1  |  0  |  129  |  0  | 
| Net Profit |  -1  |  -75  |  -8  |  12  |  12  |  18  |  16  |  20  |  25  |  26  |  59  |  28  |  35  |  21  |  24  |  12  |  29  |  1,672  |  -215  |  -164  |  555  |  -159  |  -111  |  -110  |  -272  |  -117  |  -91  |  19  |  59  |  -18  |  4  |  -409  |  35  |  23  |  -109  |  76  |  -296  |  -13  |  -4  |  -12  |  -114  |  23  | 
| EPS in ₹ |  -1.18  |  -6.71  |  -1.35  |  0.25  |  -0.47  |  0.65  |  0.58  |  0.97  |  1.23  |  0.73  |  2.27  |  0.90  |  1.20  |  0.80  |  1.00  |  0.67  |  1.22  |  76.59  |  -8.39  |  -6.21  |  27.17  |  -6.53  |  -4.35  |  -4.35  |  -12.42  |  -5.14  |  -4.02  |  0.97  |  2.48  |  -0.79  |  0.27  |  -19.03  |  1.58  |  0.97  |  -5.19  |  3.28  |  -14.33  |  -0.54  |  -0.16  |  -0.49  |  -1.56  |  1.33  | 








