You need the following self-attested copy of documents to open an account offline:
KYC form ABFSPL.
Identity Proof (PAN Card Mandatory)
Address Proof (Aadhaar Card, Driving License, Passport, Ration Card, etc)
Income Proof (3 Months Salary Slip, 6 Months Account Statement, Latest Income Tax Return Copy)
Bank Proof (Cancelled Cheque, Passbook Copy or Bank Statement with visible Bank Account Number, MICR, and IFSC code)