Listed below are the Important Dates for GST Return Filing:

10th File GSTR 1 : 10th of the next month
10th File GSTR 7 : 10th of the next month
10th File GSTR 8 : 10th of the next month
13th File GSTR 6 : 13th of the next month
15th File GSTR 2 : 15th of the next month
18th File GSTR 4 : 18th of the month next to quarter
20th File GSTR 3 : 20th of the next month
20th File GSTR 5 : 20th of the next month
31st

File GSTR 9, 9A : By 31st December of next FY

31st File GSTR 10 : Within 3 months of cancellation