1970
De Silva's best play is considered by many to be Dunna Dunu Gamuwe, which was written just after the 1971 insurrection in Sri Lanka. Although centered on a trade union struggle, it had an admixture of politics and art expertly mixed with technique and aided by some superb acting by the late U. Ariyawimal and Wilson Jayasiri was the precursor of the serious political theatre which followed at the end of the decade.
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.
De Silva was bed-ridden since 1997, and after being admitted to a hospital, died on October 28, 2002.
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