When drafting a confirmation letter for the completion of an internship, it's crucial to clearly confirm the successful completion of the internship program by the intern. Provide specific details such as the intern's name, the department they worked in, their assigned duties, and the duration of the internship. Maintain a polite and professional tone throughout the letter.
Sample Letter for Completion of Internship
To,
___________,
___________ (Recipient’s details)
Date: __/__/____ (date)
Subject: Internship confirmation
Respected Sir/ Madam,
This letter is in reference to the internship conducted by our company.
We hereby confirm that Mr/Mrs ____________ (name) has completed his/ her internship successfully. During this period __________ (name) worked in _________ (name of the department) and was allotted with _____________ (duties) and he/ she completed the duties/ jobs/ tasks with complete dedication.
The duration of the internship was _____________ (mention duration) which began from __/__/____ (date) and ended on __/__/____ (date).
For ________ (company name),
________ (Signature),
________ (designation),
________ (contact details)
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Deepanshu Thakral 
Rahul Sharma