Any customer with a APBL Savings Account/Wallet and Inividual CA can be upgarded to sole Proprietor account (subject to business and background checks)
Please note that to open Sole Proprietor Account, your documents (such as Aadhaar or PAN), along with your details such as Name, Date of Birth etc. should match with your existing Account/ wallet details.
2 documents from below list of documents are mandatory for opening Sole Proprietor account
1. Udyam Registration certificate 
2. Shop establishment Certificate
3. GST certificate