GSTR-9 due dates is a return form under GST which is to be filed once in the year-end by the regular taxpayers in the GST regime. It is further categorized in IGST, SGST, and CGST.
All the regular taxpayers registered under the GST have to file GSTR 9 on the year-end.
Period Due Date
FY 2017-18 31st December 2018