The HR Manager,
___________ (Company name),
Date: __/__/____ (Date)
Subject: Request for extension in the internship period
My name is ___________ (name) and I am working in your company as an intern. I have been working in _________ (mention department) with full dedication and enthusiasm.
With utmost respect, I would like to inform you that I am currently working on an intern contract of __________ (mention duration). ____________ (mention reason for internship extension – required as per curriculum/want to learn more/other). I want to extend my internship to _________ (mention duration). Therefore, I request you to kindly extend the internship duration. I shall be obliged if you could approve my request.
I look forward to your quick and kind response at the earliest.
___________ (Contact number)