Sample
To: The PCA/PCS
[…name of the employer…
Sir,
Sub: Application for Leave
Kindly grant me leave for ____ days from Day Month 2010 to Day Month 2010 as I intend to doing preparation for ___Exam which will start from Exam Date.
I had completed all the work of my area.
Mr […………..] will look after my duties in my absence. Nevertheless I would be available on my mobile No: […………………….] for any eventualities.
Thanks indeed
With warm regards
[Your Name]
[Your Designation]