Prime Minister's Office (Sri Lanka) the Parliament. The office of prime minister was formed in 1947 with D. S. Senanayake becoming the first Prime Minister of Ceylon. It consisted of a Secretary (Permanent Secretary) and an Assistant Secretary, who were officers of the Ceylon Civil Service, and a Private Secretary, along with clerical and support staff based at the Senate Building along with the Senate, Cabinet office and the Ministry of External Affairs and Defence. Since 1960 the prime minister's office has been based at Sirimathipaya Mansion on Sir Ernest de Silva Mawatha (formerly Flower Road), Colombo which was the former residence of philanthropist Sir
Prime Minister of India to ensure the passage of bills by the parliament. Since 1947, there have been 14 different prime ministers. The first few decades after 1947 saw the Indian National Congress' (INC) almost complete domination over the political map of India. India's first prime minister—Jawaharlal Nehru—took oath on 15 August 1947. Nehru went on to serve as prime minister for 17 consecutive years, winning four general elections in the process. His tenure ended in May 1964, on his death. After the death of Nehru, Lal Bahadur Shastri—a former home minister and a leader of the Congress party—ascended to the position of prime