Extension of Due date for GSTR 3B for January 2019 By CA Satbir Singh | February 20, 2019 0 Comment (Last Updated On: February 20, 2019) Extension of Due date for GSTR 3B for January 2019 जीएसटीआर 3 बी अंतिम तिथि बढ़ी जनवरी 2019