Proof of communication address (Any one of the following) Introduction by an existing customer as address proof Latest Electricity Bil Certificate from the postal office confirming address of applicant Original Letter from Employer certifying the residential address of applicant. Signature of the employee has to be attested on the letter. Telephone bills from any telephone service providers and mobile service providers Quarters Allotment letter Registered and valid Lease/ Leave agreement with copies of utility bills Post Office Savings Pass Book Statement of account or Pass Book of a scheduled commercial bank with entries of at least last 3 months Premium Receipt from any life insurance company Photo Identity card issued by Public Sector Undertakings(PSU) to Retired employees Domicile Certificate with communication address and photograph