GST return filing can be done online through the GST portal in India. Here are the steps to file GST returns online: Log in to the GST portal: Visit the official GST portal (www.gst.gov.in) and log in using your username and password. Navigate to the Returns Dashboard: Once logged in, go to the "Services" tab and click on "Returns." Then, select "Returns Dashboard" from the drop-down menu. Select the applicable return: On the Returns Dashboard, select the relevant return type you need to file, such as GSTR-1, GSTR-3B, GSTR-4, etc. Fill in the required details: Enter the necessary details for the selected return, such as outward supplies, inward supplies, tax liability, and input tax credit. Validate the data: After entering the details, validate the data to ensure its accuracy. The portal will highlight any errors or discrepancies that need to be corrected. Pay the tax liability (if applicable): If there is any tax liability, make the payment through the available online payment modes on the GST portal. Submit the return: Once all the details are entered correctly and the tax liability is paid (if applicable), submit the return on the portal. Generate acknowledgment: After submission, an acknowledgment will be generated with a unique reference number. Save or download the acknowledgment for future reference. Reconcile and rectify any errors (if required): If you discover any errors or omissions after filing the return, you can make corrections in subsequent returns or amend the filed return using the GST portal. File other applicable returns: Repeat the above steps for other applicable returns based on your business requirements and the prescribed filing frequency. It's important to adhere to the specified due dates for filing GST returns to avoid penalties or late fees. Additionally, it's recommended to keep proper records and maintain supporting documents to ensure accurate filing and compliance with GST regulations.