3 Dec 2017 GSTR 3B || Due date for filing GSTR 3B by admin | | 0 Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: April 20, 2019 all-day Repeats 2019-04-20T00:00:00+00:00 2019-04-21T00:00:00+00:00