How to amend invoice in gst

ABHIJIT MANNA (ACCOUNTANT) (444 Points)

16 January 2019  

A person already filed GSTR3b and GSTR1 for the month of November, but he forget to take a B2B invoice in his return, so in december in which coloumn he will be entered his previous invoice 4A or 9A in gstr1, please suggest.