Raj Bangam Sundara graduated from Madras University in 1909.
Raj Bangam Sundara was the Director of Fisheries, Madras (1922-1940). He started manufacture of Shark liver oil in India as a Substitute or Cod and Halibut Liver Oils by research at Tanur Experimental Station in 1927-1937. He developed fisheries at high altitudes in 1939.
Raj Bangam Sundara stablished Perl farm at Kurushadai Biological Station, the only one of its kind in India in 1940. He started hatching of Hilsa Eggs on Commercial Scale in India. Director of Fisheries in New Delhi (1943-1944); director of fisheries (1944-1950) and fisheries adviser of the Government of Ceylon (1951-1954).
Raj Bangam Sundara was a fellow of the National Institute of Sciences of India, Zoological Society of India, Academy of Zoology (Agra), Zoological Society (Vice-President), Indian Academy of Sciences, Bombay Natural History Society, Asiatic Society Marine Biology Association, American Fisheries Society.