[5][6] During his time in India he became involved in the country's independence movement, which influenced his later contributions to Ceylon's national identity.

[5] He returned to Sri Lanka and continued to work at the Public Works Department, where in 1948, under the leadership of Tom Neville Wynne-Jones, he and seven other architects including F. H. Billimoria, Shirley de Alwis, Oliver Weerasinghe, Homi Billimoria, and M. B. Morina, designed the Independence Memorial Hall.

[5][6] He was a founding member of the Sri Lanka Association for the Advancement of Science (SLAAS)[8] which was established in 1944,[9] and was the first architect to be elected General President in 1976.

[1][3] Samarasekera married, living on Model Farm Road, near the Royal Colombo Golf Club, where they raised three children.

[4] In 1997 he was diagnosed with Parkinson's disease, which gradually restricted his physical activities, eventually dying on 19 October 2003, at age 87.