She was elected as the first President of the Ceylon Women Lawyers' Association (1960-1961, 1966-1967). Deraniyagala served as the long-time president of the
All-Ceylon Women's Conference. Deraniyagala served as the Vice President of the
International Alliance of Women from 1952 to 1955, becoming its 5th president from 1958 to 1964, presided over the Alliance's 19th Congress in Ireland in 1961 and its 20th congress in Italy in 1964. == Family ==