Who were Abdul Kalam's school friends? What did they later become?

Ramanadha Sastry, Aravindan and Sivaprakasan were Abdul Kalam’s three school friends. Ramanadha Sastry became the highest priest of the Rameswaram Temple, Aravindan went into the business of arranging transport for visiting pilgrims and Sivaprakasan became a catering contractor for the Southern Railways later on.