The company is required to file GSTR-9 if the aggregate turnover is INR 2 crore or above. If the aggregate turnover is below INR 2 crore, its optional.
Please refer to CBIC's Central Tax notification 10/2022 dated July 5, 2022 exempting registered persons whose AATO was up to Rs.2 crores in F.Y 2021-22, from filing the GSTR-9 return.