To, Date: dd/mm/yyyy
Subject: Relieving Letter.
This has reference to your resignation letter dated __/__/__ . According to your resignation letter, you have mentioned that you wish to leave our company due to [reason for leaving].
We hereby confirm that you stand relieved from the services of the company with effect from close of working hours on __/__/__.
We also hereby confirm that the dues of your Full & Final Settlement would be cleared in the next __ days.
We appreciate your contributions made to our organization and wish you all the best for your future endeavors.
For Name of the Company,
Name of Authorized person