| 10-Oct | Thu | GSTR-7 (Monthly) |
| 10-Oct | Thu | GSTR-8 (Monthly) |
| 11-Oct | Fri | GSTR-1 (Monthly) |
| 13-Oct | Sun | GSTR-1 (for QRMP) |
| 13-Oct | Sun | GSTR-5 (Monthly) |
| 13-Oct | Sun | GSTR-6 (Monthly) |
| 18-Oct | Fri | CMP-08 (Compoisition) |
| 20-Oct | Sun | GSTR-5A (Monthly) |
| 20-Oct | Sun | GSTR-3B (Monthly) |
| 22-Oct | Tue | GSTR-3B (QRMP-I) |
| 24-Oct | Thu | GSTR-3B (QRMP-II) |
| 25-Oct | Fri | ITC-04 (Half Yearly) |
| 28-Oct | Mon | GSTR-11 |