| (Rs. in Million) | 
| Particulars (Rs in Million)   | Mar 2025 | Dec 2024 | Sep 2024 | Jun 2024 | 
|  Date End |  Audited |  Audited |  Audited |  Audited | 
| Interest Earned |  67445.90 |  62199.60 |  60783.60 |  60239.90 | 
|       Income On Investments |  16021.30 |  15669.30 |  15923.80 |  15853.00 | 
|       Interest On Balances With Rbi  Other Inter Bank Funds |  3693.50 |  3596.60 |  3480.20 |  4228.00 | 
|       Interest / Discount On Advances / Bills |  47483.60 |  42722.20 |  41379.60 |  39585.50 | 
|       Others |  247.50 |  211.50 |  0 |  573.40 | 
| Other Income |  13922.00 |  11859.30 |  9930.70 |  8354.30 | 
| Total Income |  81367.90 |  74058.90 |  70714.30 |  68594.20 | 
| Interest Expended |  40461.00 |  38422.80 |  37780.20 |  37704.30 | 
| Operating Expenses |  23919.20 |  19779.20 |  18618.10 |  17677.60 | 
| Total Expenditure |  23919.20 |  19779.20 |  18618.10 |  17677.60 | 
| Operating Profit Before Provisions and Contingencies |  16987.70 |  15856.90 |  14316.00 |  13212.30 | 
| Exceptional Items |  0 |  0 |  0 |  0 | 
| Provisions and contingencies |  6626.30 |  5895.10 |  4928.40 |  4587.60 | 
| Profit Before Tax |  10361.40 |  9961.80 |  9387.60 |  8624.70 | 
| Tax |  3837.10 |  3573.50 |  3360.20 |  3115.10 | 
| Profit After Tax |  6524.30 |  6388.30 |  6027.40 |  5509.60 | 
| +/- Extraordinary Items |  0 |  0 |  0 |  0 | 
| +/- Prior period items |  0 |  0 |  0 |  0 | 
| Net Profit |  6524.3 |  6388.3 |  6027.4 |  5509.6 | 
| Minority Interest |   |   |   |   | 
| Shares of Associates |  132.90 |  13.30 |  40.60 |  43.40 | 
| Other related items |  0 |  0 |  0 |  0 | 
| Misc. Expenses Written off |  0 |  0 |  0 |  0 | 
| Consolidated Net Profit |  6657.20 |  6401.60 |  6068.00 |  5553.00 | 
| Equity Capital |  125395.60 |  119559.60 |  119559.60 |  119559.60 | 
| Face Value (IN RS) |  10.00 |  10.00 |  10.00 |  10.00 | 
| Reserves |  152984.70 |  0 |  122602.70 |  122602.70 | 
| % of Shares held by Govt |  90.95 |  95.39 |  95.39 |  95.39 | 
| Capital Adequacy Ratio |  0 |  0 |  0 |  0 | 
| Gross / Net NPAs |  0 |  0 |  0 |  0 | 
| Amount of Gross NPAs |  59185.40 |  60815.50 |  62938.60 |  64201.20 | 
| Amount of Net NPAs |  10683.10 |  12831.30 |  14064.40 |  14734.20 | 
| % of Gross / Net NPAs |  0 |  0 |  0 |  0 | 
| % of Net NPAs |  0.50 |  0.63 |  0.73 |  0.78 | 
| % of Gross NPAs |  2.69 |  2.91 |  3.18 |  3.32 | 
| Return on Assets |  0.79 |  0.80 |  0.76 |  0.73 | 
| No of Public Share Holdings |  0 |  0 |  0 |  0 | 
| % of Public Share Holdings |  0 |  0 |  0 |  0 | 
| Basic Eps After Extraordinary Items |  0.56 |  0.54 |  0.51 |  0.45 | 
| Basic Eps Before Extraordinary Items |  0.56 |  0.54 |  0.51 |  0.45 | 
|   |   |   |   |   | 
| PBIDTM% |  25.19 |  25.49 |  23.55 |  21.93 | 
| PBDTM% |  15.36 |  16.02 |  15.44 |  14.32 | 
| PBTM% |  15.36 |  16.02 |  15.44 |  14.32 | 
| PATM% |  9.67 |  10.27 |  9.92 |  9.15 | 
 |  Notes |  Notes |  Notes |  Notes |