10th : File GSTR 1 : 10th of the next month
15th : File GSTR 2 : 15th of the next month
20th: File GSTR 3 : 20th of the next month
18th : File GSTR 4 : 18th of the month next to quarter
20th : File GSTR 5 : 20th of the next month
13th : File GSTR 6 : 13th of the next month
10th : File GSTR 7 : 10th of the next month
10th : File GSTR 8 : 10th of the next month
31st : File GSTR 9, 9A : By 31st December of next FY
31st : File GSTR 10 : Within 3 months of cancellation
