Gstr1 & gstr 3b for september 2018 (t.o >1.5 crore)

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Due date to file GSTR1 & GSTR 3B for the month of September 2018 (T.O >1.5 Crore)?

3B due date is 20 October 2018.

Under the Goods and Services Tax (GST), businesses with a turnover of over Rs 1.5 crore has to file final sales return or GSTR-1 by the 11th of next month. Accordingly, GSTR-1 for the month of September 2018, was required to be filed by October 11, 2018. This date has now been extended to October 31.