De Silva worked for long time at the
Sri Lanka Broadcasting Corporation as a producer, and in the late 1960s was in charge of the weekly
radio play, and the weekly short story programs on the station, which were the first "stamping grounds" of writers and dramatists who are today well known in their own right. He married Sheela De Silva (KA Seelawathi born on 30th July 1950) on 10 April 1970. Four children. The eldest son was Dimuthu Prasada Galappatti. The second daughter. She is Vanamali Kaushalya Galappatti. The third child is Sudesh Prabuddha Galappatti. The youngest son is Harindra Pragathi Galappathi. De Silva was bed-ridden from 1997, and died in hospital on 28 October 2002. == Produced plays==