User has to create two seprate vendors, one is registerd and second is unregisterd. If he updated the unregisterd vendor in to registerd vendor then GSTR-3B will show according to current status of vendor.

You can add multiple multiple firms in single login Id.
No, this not a GST Filling software or application.

Yes, you can import your Ledger/Customer/Party/Supplier data.

Yes we do provide godown module.

For any technical assistance, please contact our support team. Our team contact no is also mentioned in the accounting panel.