____________ (Name of the lecturer),
____________ (Name of the Department, Name of the Organization),
Date: __/__/____ (Date)
___________ (Name of the Department),
___________ (Name of the College)
Subject: Invitation for guest lecture on topic ________ (topic)
I am ___________ (Name of the Director), Director/Principal of _____________ (Name of the College).
We take immense pleasure in having you as a guest lecturer for the _________ (research paper / thesis research / Mention the topic) on ___________ (Date) at ____________ (Time) in ___________ (Venue).
The theme / subject of the lecture is _____________ (Name of the subject / theme) from the department _____________ (Name of the Department).
Please consider this letter as a humble invitation and kindly revert us back to the earliest.
_________________ (Name of the Director/Principal),
_________________ (Signature with Stamp)