Chartered Accountant
1375 Points
Joined August 2012
Documents required for Sole proprietorship/Individual
- Individual documents
- PAN card and ID proof of the individual.
- Copy of Cancelled cheque or bank statement.
- Declaration to comply with the provisions.
- Registered Office documents
- Copy of electricity bill/landline bill, water Bill
- No objection certificate of the owner
- Rent agreement (in case premises are rented)
There wont be a Registration certificate, per se, for a proprietorship concern.
The format of Letter of Authorisation for Proprietors:

I think there is only one slot for uploading all the documents via .pdf format. In that case, you may have to scan all the requisite documents into a single file (duly signed), and upload it into this slot.