<P> On 28 April 2015, the Parliament approved the Nineteenth Amendment to the Constitution of Sri Lanka which gives the power of the Government to the Prime Minister, while the President remains the head of state, head of the cabinet, and Commander - in - chief . </P> <P> Of the fourteen prime ministers who have held office since the introduction of the position in 1947, three have held office thrice, and one has held office twice . Five prime ministers have gone on to become president of the country . The current Prime Minister of Sri Lanka is Ranil Wickremesinghe, since 9 January 2015 . </P> <P> Ranil Wickramasinghe has been sworn in as prime minister the most times in the country's history, on four separate occasions (May 1993, December 2001, January 2015 and August 2015), whilst Dudley Shelton Senanayaka and Sirimavo Bandaranayake were appointed three times . </P> <Dl> <Dt> Parties </Dt> </Dl>

Who was the first sri lankan politician who held the office of the prime minister for four times