For the financial year 2018-19, the annual return GSTR 9 has a turnover limit of 2 Crores. If your turnover exceeds this, filing is mandatory. For GSTR 9C (GST Audit), the limit is 5 Crores; exceeding this amount also makes filing compulsory.
For F.Y 2018-19 GSTR 9 Annual return_limit is 2 Crores GSTR 9C GST Audit_ limit is 5 Crores above this limit mandatory to file GSTR 9/9C as the case may be..