GSTN brings in option for monthly, quarterly filing of forms Taxpayers with annual aggregate turnover up to Rs 1.5 crore in the previous financial year or anticipated in the current financial year can avail the option of filing quarterly returns. Goods and Services Tax Network (GSTN), the IT backbone of the new tax regime, today said it has put a new function on its portal to allow taxpayers choose the frequency of filing GSTR 1 form on quarterly or monthly basis. Taxpayers with annual aggregate turnover up to Rs 1.5 crore in the previous financial year or anticipated in the current financial year can avail the option of filing quarterly returns. Form GSTR 1 summarises all the sales of a taxpayer.This has been done as per decision taken in the 23rd GST Council Meeting. After giving their option, taxpayers can file GSTR 1 for the relevant return periods, the Goods and Services Tax (GST) Networks said in a statement. It further said that taxpayers who opt for quarterly filing