|Write an application to Head Master/ Head Mistress Principal requesting to grant three days leave.|
|The Head Master/Head Mistress/Principal,|
X.Y.Z. School/ College,
| Respectfully I beg to state that I am not feeling well/the marriage of my brother / sister is going to be tomorrow, I, therefore, requesting to kindly grant me three days leaves from tomorrow.|
For this I shall ever remain grateful.
|I have to hounor to be|
If it is for (illness) write I am not feeling well.
If it is for ( marriage ) write the marriage of my brother.