I hope this helps. Whatever be the position, I normally send a call letter in this manner. Hope it suits your requirement.
Name & Address of the candidate
This has reference to your application for a suitable post in our Organisation and the subsequent discussion that we had today on the same.
We request you to call on us at the following address for an interview on xxxxxxxxxx at xxxxxxam.
Ph. : xxxxxxxxx
You are requested to carry all your testimonials with you for the interview. Kindly confirm your attendance two days before the said date.
I can give you few site names which you can refer for your Interviews.
You need to have clarification which level, post, Sector before choosing any questions for interview
and many more you will get
Psychometric Analyst & Trainer
After review of your application, the Selection Committee/we is/are very interested in interviewing you for the position of (Job Title). This letter confirms the phone conversation in which we scheduled your interview for (date), from (time period, ex. 1 – 2 PM) in (room and location). (Include directions, parking information, campus map, job card, interview preparation instructions, presentation instructions, etc., as relevant).
[Optional: The interview will consist of .... (for example: an informal conversation with committee members and a question-and-answer session).
The Selection Committee members are: name, position, etc. ]
If you have any questions, please call me at (510) 64X-XXXX.
Chair, Selection Committee
(or) Position, Name of Department/Unit
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