A big leave letter to principal due to illness?

To

The Class Teacher

Calcutta Boys' School

Kolkata-700014

Respected Madam;

My son, Master Avishek Rakshit of Class XI,Science is absent from school from 08.08.2012 as he is suffering from Enteric fever . Medical certificate will be produced when he will join the school.

This is for your information please.

Thanking you,

Yours truly,

MADHUCHHANDA RAKSHIT

(Mother)