To,
The Principal F. N. S. Academy
Gulzarbagh, Patna
Subject: Four days leave to participate in cousin's marriage.
Sir.
Respectfully, I beg to request you that marriage ceremony of my cousin will be solemnized on 15th January of this month. My presence on the occassion is highly required, relating to necessary arrangements during the marriage.
I therefore, request your honour to be kind enough to grant me four days leave with effect from 15 January, 2021. For this act of your kindness I shall ever remain grateful.
Your most obedient pupil
XYZ