To
Name (Mention the name of the person to be interviewed)
Address (Mention the address of the person to be interviewed)
City (Write down the name of the city he/ she belongs to)
Pin Code
Dear Mr. (Write down the proper salutation)
Subject: Write down the purpose of writing the letter in one line
First Paragraph: Write down as to where you have got the information about the person to be interviewed and why you are writing the letter.
Second Paragraph: Mention some information about your company and a few details about the position you are offering to the person.
Third Paragraph: Inform the person about the interview date. Give information about the time scheduled. Also inform him/ her as to which all documents he/ she is required to bring along.
Thanks and Regards,
Name (Mention the name of the official writing the letter)
Designation (Mention the designation of the official writing the letter)
Name of the Organization