Tamil Nadu,May 19:A 29 year old waiter in a restaurant in Tamil Nadu has cracked the prestigious Civil Services Examination of the Union Public Service Commission, UPSC. Mr K Jayaganesh, who hails from Vinnamangalam village near Vellore, has secured 156th rank. The results were declared on Friday last. He has also worked as a computer billing operator in a well-known theatre in Chennai. Dedicating his success to his parents and friends, Mr Jayaganesh says it has been a tough ride all the way since he completed his graduation in 2000.