GSTR1 march 19-20 can amendment

faruk khan (JALORE) (67 Points)

27 September 2021  
Sir,
March 19-20 mai GSTR-1 mai invoice ki entry galat hogyi thi or annual return bhi file kar dia tha to ab kya kar skte hai..March 19-20 ke bill amendment ho skte hai kya ??
please guide