Please submit all the documents mention below:
1. Any Registration Certificate of the Company
2. Address Proff of the Company
3. Aadhar card of the owner (Aadhar cards of Partners in partnership firm or directors in case of Private limited firms.)
4. PAN Card of the owner ( Company's PAN Card will also need along with partners & directors in case of Partnership & Private Limited Company )
5. Firm Pan Card ( if applicable)
5. Nature of Work
6. Number of Employees
7. Specimen Signature ( Enclosed) 
8. Mobile & Email ID