Improve the consistency of the text: He served in the Forest Department in Ceylon from 1927 to 1957, and was head of the department, with the title Conservator of Forests, from 1950 to 1957.
De Silva served in the Forest Department in Ceylon from 1927 to 1957. He was head of the department, with the title Conservator of Forests, from 1950 to 1957.