What are the procedures for filing up the GSTR Form? In GST file returns in Bangalore, we provide you GSTR 1 form is a return form for the systematic taxpayers who have to file up the details of external supplies every 11th of the upcoming month for those whose turnover exceeds more than 1.5 crores yearly. The taxpayers who are below the threshold limit to 1.5 crores will have to file once 3 months in return. The taxpayer can download the GSTR 1...