| Quarterly Financials |  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  |  22   |  25   |  25   |  22   |  20   |  30   |  32   |  38   |  33   |  31   |  31   |  39   |  38   |  37   |  28   |  31   |  36   |  37   |  38   |  41   |  38   |  39   |  42   |  44   |  38   | 
| Expenses |  20   |  23   |  22   |  19   |  17   |  26   |  27   |  33   |  30   |  27   |  27   |  34   |  34   |  34   |  26   |  28   |  34   |  34   |  34   |  37   |  35   |  36   |  38   |  40   |  34   | 
|  EBITDA  |  2   |  3   |  3   |  3   |  3   |  4   |  5   |  5   |  4   |  4   |  4   |  5   |  4   |  3   |  2   |  3   |  3   |  3   |  3   |  4   |  3   |  4   |  4   |  4   |  4   | 
| Operating Profit % |  9 %  |  10 %  |  11 %  |  9 %  |  15 %  |  14 %  |  15 %  |  12 %  |  8 %  |  12 %  |  12 %  |  13 %  |  9 %  |  7 %  |  8 %  |  10 %  |  7 %  |  8 %  |  8 %  |  8 %  |  9 %  |  9 %  |  9 %  |  9 %  |  10 %  | 
| Depreciation |  0   |  0   |  0   |  2   |  1   |  1   |  2   |  2   |  1   |  1   |  1   |  1   |  2   |  2   |  2   |  2   |  1   |  1   |  1   |  2   |  1   |  2   |  2   |  2   |  2   | 
| Interest |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  1   |  0   |  0   |  1   |  0   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   | 
|  Profit Before Tax  |  2   |  2   |  2   |  1   |  2   |  3   |  3   |  3   |  2   |  2   |  2   |  3   |  2   |  1   |  0   |  1   |  1   |  1   |  1   |  2   |  2   |  2   |  2   |  1   |  2   | 
| Tax |  1   |  1   |  1   |  1   |  0   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  0   |  0   |  0   |  0   |  0   |  1   |  1   |  1   |  1   |  0   |  0   |  0   | 
| Net Profit |  1   |  2   |  2   |  0   |  1   |  2   |  2   |  2   |  2   |  2   |  2   |  2   |  1   |  0   |  0   |  0   |  1   |  1   |  1   |  1   |  1   |  1   |  2   |  1   |  1   | 
| EPS in ₹ |  1.20   |  1.63   |  1.77   |  0.34   |  1.14   |  2.01   |  2.24   |  1.80   |  1.38   |  1.75   |  1.58   |  1.84   |  0.82   |  0.32   |  0.06   |  0.25   |  0.40   |  0.77   |  0.62   |  0.67   |  0.87   |  0.81   |  0.89   |  0.47   |  0.86   | 












