Can we add missing invoice in gstr1?

nakul sehgal (proprietor) (32 Points)

09 March 2018  

WHILE UPLAODING RETURN FOR QUATERLY PERIOD OF OCT-DEC, INVOICE FOR THE MONTH OF DECEMBER WERE ADDED , WHILE BILLS FOR THE MONTH OF OCT AND NOV WERE NOT ADDED. IS THERE ANY WAY TO ADD MISSING INVOICE?? PLEASE SUGGEST