| GSTR-1 return filing frequency | Due date |
|---|---|
| Monthly GSTR-1 | 11th of Subsequent month |
| Quarterly GSTR-1 | Last of the date of the month following the end of the quarter |
| Annual Turnover in Previous Year | GSTR-1 return filing frequency | Due date |
|---|---|---|
| Exceeding 5 crores | Monthly GSTR-3B | 20th of Subsequent month |
| Not exceeding 5 crores | Quarterly GSTR-1 | 22nd/24th of the month following the end of the quarter |