To,
Mr. / Ms. _________
HR Department
Dear Sir / Madam,
Subsequent to my relieving date on _________from my responsibilities of the _________ company.
I already have completed my exit clearance process with the company on the day but I did not receive my relieving letter till date.
However, I would request you to send my relieving letter to my email address as given ___________or courier to me at ____________ (address)
Thanking you for your timely support always.
Best Regards
(Name & Signature)