On the top is the franking meter of the Intergrated Defence Head-Quarters- Ministry of Defence NAVY.
It reads thus:
"FOR THE PHYSICALLY FIT
Indian male Philatelists (age 19 1/2 to 25 years-born between 2nd Jan 1986 and 1st July 1991) who can stand up to this requirement, and want to make a career as an officer in the Indian navy , can access:-
for further details.