| Particulars | Sep 2025 | Jun 2025 | Mar 2025 | Dec 2024 | 
|   | Rs Cr | Rs Cr | Rs Cr | Rs Cr | 
| Interest Earned  | 41757.95 | 42946.91 | 42430.80 | 41299.82 | 
| Operating Expenses  | 32035.53 | 32705.97 | 32026.62 | 31481.32 | 
| Operating Profit Before Prov. & Cont.  | 17297.96 | 18745.84 | 17664.25 | 16886.55 | 
| Provisions & Contingencies  | 914.11 | 1814.57 | 890.70 | 1226.65 | 
| Depreciation  | 0.00 | 0.00 | 0.00 | 0.00 | 
| Provision for Taxes  | 3732.30 | 3933.85 | 4052.73 | 3902.77 | 
| Fringe Benefit Tax  | 0.00 | 0.00 | 0.00 | 0.00 | 
| Deferred Tax  | 292.66 | 229.21 | 91.24 | -35.29 | 
| Net Profit  | 12358.89 | 12768.21 | 12629.58 | 11792.42 | 
|   |   |   |   |   | 
| Extra-ordinary Items   | 0.00 | 0.00 | 0.00 | 0.00 | 
| Adjusted Profit After Extra-ordinary item  | 12358.89 | 12768.21 | 12629.58 | 11792.42 | 
|   |   |   |   |   | 
| EPS (Unit Curr.)  | 17.31 | 17.91 | 17.87 | 16.72 | 
| EPS (Adj) (Unit Curr.)  | 17.31 | 17.91 | 17.87 | 16.72 | 
| Calculated EPS (Unit Curr.)  | 17.30 | 17.89 | 17.73 | 16.70 | 
| Calculated EPS (Adj) (Unit Curr.)  | 17.30 | 17.89 | 17.73 | 16.70 | 
| Calculated EPS (Ann.) (Unit Curr.)  | 69.19 | 71.56 | 70.92 | 66.81 | 
| Calculated EPS (Adj) (Ann.) (Unit Curr.)  | 69.19 | 71.56 | 70.92 | 66.81 | 
| Book Value (Unit Curr.)  | 436.00 | 429.30 | 410.10 | 384.80 | 
| Dividend (%)  | 0.00 | 0.00 | 0.00 | 0.00 | 
| Equity  | 1428.95 | 1427.32 | 1424.60 | 1412.11 | 
| Reserve & Surplus  | 0.00 | 0.00 | 0.00 | 0.00 | 
| Face Value  | 2.00 | 2.00 | 2.00 | 2.00 | 
|   |   |   |   |   | 
| Public Shareholding (No Of.Shares)  | 0.00 | 0.00 | 0.00 | 0.00 | 
| Public Shareholding (% in Equity)  | 0.00 | 0.00 | 0.00 | 0.00 | 
| (%) of shares held by GOI  | 0.22 | 0.22 | 0.22 | 0.22 | 
| Pledged/Encumbered - No. of Shares  | 0.00 | 0.00 | 0.00 | 0.00 | 
| Pledged/Encumbered - % in Total Promoters Holding  | 0.00 | 0.00 | 0.00 | 0.00 | 
| Pledged/Encumbered - % in Total Equity  | 0.00 | 0.00 | 0.00 | 0.00 | 
|   |   |   |   |   | 
| Non Encumbered - No. of Shares  | 0.00 | 0.00 | 0.00 | 0.00 | 
| Non Encumbered - % in Total Promoters Holding  | 0.00 | 0.00 | 0.00 | 0.00 | 
| Non Encumbered - % in Total Equity  | 0.00 | 0.00 | 0.00 | 0.00 | 
|   |   |   |   |   | 
| PBIDTM(%)  | 87.68 | 89.05 | 89.58 | 88.59 | 
| PBDTM(%)  | 39.24 | 39.42 | 39.53 | 37.92 | 
| PATM(%)  | 29.60 | 29.73 | 29.77 | 28.55 | 
|   |   |   |   |   | 
| Capital Adequacy Ratio  | 0.00 | 0.00 | 0.00 | 0.00 | 
| Tier I Capital  | 0.00 | 0.00 | 0.00 | 0.00 | 
| Tier II Capital  | 0.00 | 0.00 | 0.00 | 0.00 | 
|   |   |   |   |   | 
| Gross Non Performing Assets  | 23850.00 | 24732.65 | 24166.18 | 27745.33 | 
| Net Non Performing Assets  | 5827.00 | 5971.09 | 5589.41 | 5897.76 | 
| (%)  Gross Non Performing Assets  | 1.58 | 1.67 | 1.67 | 1.96 | 
| (%) Net  Non Performing Assets  | 0.39 | 0.41 | 0.39 | 0.42 | 
| Return on Assets(Annualised)  | 2.33 | 2.44 | 2.52 | 2.36 | 
|   |   |   |   |   |