Recent | November 15, 2017 “Quarterly Return” for those whose “Monthly Return”for those whose aggregate turnover up to Rs. 1.50 Cr. Period Dates Jul- Sep 31st Dec 2017 Oct- Dec 15th Feb 2018 Jan- Mar 30th April 2018 Return filing – GSTR 3B GSTR-1 – Due dates for Filing of Return for those whose aggregate turnover is more than Rs. 1.50 Cr.