How to Update Filed GSTR 1 of 2020-2021

keshav maheshwari (1 Points)

29 August 2021  

Hello , 
I have filled GSTR 1 of last year (2020-2021) of all month. For the month of December(2020) there's mistake in Sale bill amount, How can I update this. I do not see edit option in any month of 2020-2021.Please advise. 
Thanks 
Keshav