All registered businesses must file monthly or quarterly, and a yearly GST return based on the kinds of business. All these GSTR filings are filed online on the GST portal. According to the GST regime, any regular business having more than Rs.5 crore as yearly aggregate turnover has to file two monthly returns and one annual return.The number of GSTR filings changes for quarterly GSTR-1 filers under QRMP scheme. The number of GSTR filings online for them is 9 in a year, including the GSTR-3B and annual return.There are separate returns required to be filed by special cases such as composition dealers whose number of GSTR filings is 5 in a year.