Help To Write A Letter To Bank

Hi,
I want to inform the bank that Mr.x has been terminated and as per low he is not getting any end of service,If you know please help me as it's first time i am doing this letter,
Thanks

Hi,
I'm Prasanna and i am looking for guy working in TCS i have few information about him, all that i need is his address. I will be thankful if anyone can help me. I have enough time to search for his address i have 50 more years left.
will let you know the details and reasons once you decide to help me. My contact number is +919790759795
Thanks!