| Quarterly Financials |  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  |  100   |  114   |  112   |  132   |  108   |  98   |  95   |  102   |  77   |  113   |  113   |  144   |  136   |  135   |  144   |  154   |  139   |  132   |  162   |  168   |  138   |  159   |  176   |  178   |  138   |  167   |  191   |  166   |  140   | 
| Expenses |  92   |  106   |  104   |  119   |  98   |  87   |  84   |  91   |  63   |  98   |  99   |  130   |  123   |  122   |  135   |  143   |  128   |  123   |  151   |  153   |  123   |  142   |  158   |  155   |  123   |  150   |  174   |  145   |  127   | 
|  EBITDA  |  8   |  8   |  8   |  13   |  10   |  11   |  11   |  11   |  14   |  15   |  14   |  14   |  13   |  13   |  9   |  11   |  11   |  9   |  10   |  15   |  15   |  17   |  18   |  22   |  15   |  17   |  17   |  21   |  13   | 
| Operating Profit % |  7 %  |  6 %  |  7 %  |  9 %  |  9 %  |  10 %  |  10 %  |  9 %  |  17 %  |  12 %  |  11 %  |  9 %  |  9 %  |  8 %  |  5 %  |  6 %  |  8 %  |  6 %  |  6 %  |  8 %  |  10 %  |  10 %  |  10 %  |  12 %  |  11 %  |  10 %  |  9 %  |  13 %  |  9 %  | 
| Depreciation |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   | 
| Interest |  2   |  2   |  2   |  2   |  3   |  2   |  2   |  2   |  3   |  3   |  2   |  2   |  2   |  2   |  2   |  2   |  3   |  3   |  3   |  3   |  3   |  4   |  3   |  3   |  2   |  2   |  3   |  3   |  2   | 
|  Profit Before Tax  |  5   |  5   |  6   |  10   |  7   |  8   |  8   |  8   |  10   |  12   |  11   |  12   |  10   |  9   |  5   |  7   |  8   |  5   |  6   |  11   |  11   |  12   |  13   |  18   |  12   |  13   |  13   |  17   |  10   | 
| Tax |  2   |  2   |  2   |  4   |  1   |  1   |  2   |  2   |  3   |  3   |  3   |  3   |  3   |  2   |  2   |  2   |  2   |  1   |  2   |  3   |  3   |  3   |  4   |  5   |  3   |  3   |  3   |  4   |  3   | 
| Net Profit |  4   |  3   |  4   |  6   |  6   |  7   |  6   |  6   |  8   |  9   |  8   |  9   |  8   |  7   |  4   |  6   |  6   |  4   |  5   |  9   |  8   |  9   |  10   |  13   |  9   |  10   |  10   |  13   |  7   | 
| EPS in ₹ |  0.63   |  0.60   |  0.63   |  1.12   |  1.08   |  1.25   |  1.05   |  1.09   |  1.38   |  1.57   |  1.42   |  1.55   |  1.42   |  1.25   |  0.66   |  1.01   |  1.03   |  0.66   |  0.89   |  1.55   |  1.44   |  1.65   |  1.79   |  2.35   |  1.57   |  1.78   |  1.77   |  2.33   |  1.35   | 












