If the number of sales invoice is more than 500, GST Offline Utility has to be downloaded and return file needs to be generated from this offline utility.
Yours is a lesser no. These can also be applied-
Step 1 – Click on the 5A, 5B – B2C (Large) Invoices tile.
Step 2 – You will see a summary of the B2C (Large) Invoices. Click on Add Invoice to add a new invoice.