Can GSTr 9 auto populated mistakenly filed can be rectified by filing 9c for turnover 2-5 crores

we filed GSTr 9 auto populated mistakenly without any changes which was required to be changed as per incometax return.
the turnover is 4.5 crores for FY 19-20.
GSTr 9c is not filed till now due to not mandatory.
can it be rectified by filing 9c .
please suggest what possible actions can be done.