To,
The Headmaster Patna High School
Patna
Sub. :- Application for three days leave.
R/Sir, I am student of class X. Sir, I was absent in my class from 12.12.2018 to 14.12.2018 due to viral fever and excessive headache.
Sir, I therefore, request you to grant me three days leave. I will be highly obliged to you for this concern.
Thanking you.
Your'* faithfully
Avinash