| Chengalpattu Diesel Price | |
| Date | Price (Rs/Ltr) |
| September 21, 2026 | 99.55 |
| September 20, 2026 | 99.55 |
| September 19, 2026 | 100.20 |
| September 18, 2026 | 99.55 |
| September 17, 2026 | 100.20 |
| September 16, 2026 | 99.55 |
| September 15, 2026 | 99.55 |
| September 14, 2026 | 99.55 |
| September 13, 2026 | 99.55 |
| September 12, 2026 | 99.55 |
| Chengalpattu Petrol Price | |
| Date | Price (Rs/Ltr) |
| September 21, 2026 | 107.74 |
| September 20, 2026 | 107.74 |
| September 19, 2026 | 108.41 |
| September 18, 2026 | 107.74 |
| September 17, 2026 | 108.41 |
| September 16, 2026 | 107.74 |
| September 15, 2026 | 107.74 |
| September 14, 2026 | 107.74 |
| September 13, 2026 | 107.74 |
| September 12, 2026 | 107.74 |