Enclose copy of his death certificate, copy of Pension Payment Order (PPO), your identity documents including Aadhar Card and PAN Card. Next of Kin Letter is a document used to confirm who is the closes relative of the deceased that are still living.The next of kin must notify their banks of the death when an account holder dies. My dad passed away two months ago. Got the death certificate in hand and went to the bank to close his account. The next of kin will not have any access to the money on a deceased person's account unless that person is a Joint owner of the account with a right to survive. You should submit the original copy with your application for the Letters of Administration. The next step in the process is to list out and notify relatives. Next, provide your personal details as the executor. Learn how some of a deceased person's assets and debts can be distributed without going to court.