In October 1956, he was elected to the Senate and appointed Minister of Home Affairs by Prime Minister Bandaranaike.[10][11] In 1959 after the assassination of Bandaranaike he was appointed Minister of Health by Prime Minister Wijeyananda Dahanayake.[12] In July 1960, Prime Minister Sirimavo Bandaranaike re-appointed him as minister of health.[13] In 1970 he was elected Leader of the Senate and lost his seat when his government abolished the Senate that year. He served as Senior Vice President of SLFP until his death in 1980.[citation needed]
^Wimalaratne, K. D. G. (Ed) (1994). Personalities, Sri Lanka: A Biographical Study (15th-20th Century), 1490-1990 A.D., A-Z. Ceylon Business Appliances Limited. p. 72. ISBN9789559287001.
^Parliaments of Ceylon. Associated Newspapers of Ceylon. 1960. p. 174.
^The Ceylon Blue Book. Government Printer, South Africa. 1938. p. 31.
^Rajasingham, K. T. "Chapter 14: Post-colonial realignment of political forces". Sri Lanka: The Untold Story. Archived from the original on 3 January 2002. Retrieved 25 July 2018.{{cite book}}: CS1 maint: unfit URL (link)
^Rajasingham, K. T. "Chapter 17: Assassination of Bandaranaike". Sri Lanka: The Untold Story. Archived from the original on 24 September 2015. Retrieved 25 July 2018.{{cite book}}: CS1 maint: unfit URL (link)
^Rajasingham, K. T. "Chapter 18: Srimavo - weeping arrogance". Sri Lanka: The Untold Story. Archived from the original on 17 December 2001. Retrieved 25 July 2018.{{cite book}}: CS1 maint: unfit URL (link)