GSTR 9 & 9C OPTIONAL TO MANDATORY REPORTING FOR FY 2021-22 I CA SATBIR SINGH By CA Satbir Singh | December 11, 2022 0 Comment (Last Updated On: December 11, 2022) GSTR 9 & 9C OPTIONAL TO MANDATORY REPORTING FOR FY 2021-22 I CA SATBIR SINGH