GSTR-1 filing Due Dates
For turnover of more than Rs 1.5 cr
| Period | Dates |
| July to Oct | 31st Dec 2017 |
| Nov | 10th Jan 2018 |
| Dec | 10th Feb 2018 |
| Jan | 10th Mar 2018 |
| Feb | 10th Apr 2018 |
| March | 10th May 2018 |
For turnover upto Rs 1.5 cr
| Period (Quarterly) | Due dates |
| July- Sept | 31st Dec 2017 |
| Oct- Dec | 15th Feb 2018 |
| Jan- Mar | 30th April 2018 |
Others GSTR filing extensions
| Return | Revised Due Date | Old Due Date |
| GSTR-5 (for Non Resident) | 11th Dec 2017 | Earlier of 20th August 2017 or 7 days from date of registration |
| GSTR-5A(By person supplying OIDAR) | 15th Dec 2017 | 20th November 2017 |
| GSTR-4 (for Composition Dealers) | 24th Dec 2017 | 18th October 2017 |
| GSTR-6 (for Input Service Distributor) | 31st Dec 2017 | 13th August 2017 |