Hi Shweta,
Pls find attached format of letter of appreciation,
<date>
<name>
<designation>
<Process>
Subject : Appreciation
Dear <name>,
We take this opportunity to congratulate you on successful completion of your “_________” from _________ to ________. You exhibited enthusiasm and were able to meet timelines as per our SLA (Service Level Agreement).
Please accept our compliments & appreciation for the fine job you did during the entire_________.
Yours sincerely
For _______________________.
CEO