GSTR 3B due date for September

Dear Sir,

Which coloum we have uploaded petrol invoice in GSTR 3B..

Dear Sir,

In GSTR-2, (Reverse Charge Mechenism) HSN Summary of inward supplies details is submit on which Section?

FOR GSTR3B OF SEPTEMBER IT IS 20TH OCTOBER AND FOR GSTR2 OF JULY IT IS 31ST OCTOBER

20th October is last date for GSTR 3B return for the month of Sep.