| 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   | 
|  Revenue  |  11   |  12   |  13   |  12   |  13   |  13   |  12   |  12   |  11   |  15   |  15   |  43   |  5   |  6   |  6   |  6   |  8   |  9   |  10   |  9   |  10   |  3   |  7   |  5   |  8   |  6   |  10   |  8   | 
| Expenses |  10   |  10   |  11   |  11   |  11   |  11   |  10   |  10   |  10   |  13   |  13   |  8   |  5   |  6   |  6   |  6   |  7   |  8   |  9   |  9   |  11   |  5   |  7   |  7   |  9   |  7   |  10   |  10   | 
|  EBITDA  |  1   |  2   |  2   |  2   |  2   |  2   |  1   |  2   |  1   |  2   |  3   |  35   |  0   |  0   |  1   |  0   |  1   |  1   |  1   |  1   |  -1   |  -2   |  -0   |  -2   |  -2   |  -1   |  0   |  -2   | 
| Operating Profit % |  9 %  |  13 %  |  16 %  |  12 %  |  14 %  |  12 %  |  11 %  |  13 %  |  5 %  |  11 %  |  -4 %  |  -82 %  |  -12 %  |  -10 %  |  2 %  |  -7 %  |  -3 %  |  3 %  |  9 %  |  2 %  |  -19 %  |  -58 %  |  -9 %  |  -39 %  |  -41 %  |  -27 %  |  1 %  |  -23 %  | 
| Depreciation |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   | 
| Interest |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  1   |  0   |  0   |  0   |  0   |  0   |  0   |  1   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   | 
|  Profit Before Tax  |  0   |  0   |  1   |  0   |  1   |  0   |  0   |  1   |  -0   |  0   |  1   |  35   |  -1   |  -0   |  0   |  0   |  0   |  0   |  1   |  0   |  -2   |  -2   |  -1   |  -2   |  -2   |  -2   |  -0   |  -2   | 
| Tax |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  0   |  -0   |  0   |  1   |  8   |  0   |  -0   |  0   |  0   |  0   |  0   |  0   |  0   |  -1   |  -1   |  -0   |  -1   |  -0   |  -1   |  0   |  -1   | 
| Net Profit |  0   |  0   |  1   |  0   |  0   |  0   |  0   |  0   |  -0   |  0   |  1   |  27   |  -1   |  -0   |  0   |  0   |  0   |  0   |  0   |  0   |  -1   |  -1   |  -1   |  -1   |  -2   |  -1   |  -0   |  -1   | 
| EPS in ₹ |  0.05   |  0.20   |  0.50   |  0.21   |  0.20   |  0.23   |  0.08   |  0.28   |  -0.06   |  0.28   |  0.69   |  22.91   |  -0.45   |  -0.33   |  0.07   |  0.03   |  0.35   |  0.19   |  0.36   |  0.01   |  -1.01   |  -1.12   |  -0.48   |  -1.23   |  -1.60   |  -1.02   |  -0.08   |  -1.22   | 









