For ECNR endorsement your graduation certificate would be required as proof of educational qualification. They would also check why it was not done earlier and things like that you have acquired the graduation recently. So, take all the relevant documents with you to satisfy the authorities.Onc...
date of birth, change of name, documents for ECNR, expired passport, passport size photographs etc. For guidelines on how to applyclick here. For the fee, a fresh passport of 10 years validity will cost Rs 1000. For duplicate passport in case it is stolen or lost...