A GST returns is a document containing details of income that is required to be filed as per the law with the tax authorities.
Under the GST law, a taxpayer has to submit two returns on a monthly basis and one such return annually.
All returns have to be filed online. Please note that there is no provision for revising the returns.
All invoices for the previous tax period that went unreported must be included in the current month.
Under GST, a registered dealer has to file GST returns that include: Purchases, Sales, Output, GST (On sales) and Input tax credit (GST paid on purchases).