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 Bangladesh always held by Prime Minister of Bangladesh. Bangladesh origins lie in Bengal, a province of the British Raj that included present-day West Bengal. Between 1937 and 1947 it was intermittently governed by a popularly elected ministry, whose head is often designated the Premier of Bengal. In 1947, Bengal province was partitioned into the Indian state of West Bengal and East Pakistan. All three erstwhile Bengal premiers—A. K. Fazlul Huq, Khawaja Nazimuddin and H. S. Suhrawardy—became Pakistani citizens; the latter two went on to become Prime Ministers of Pakistan in the 1950s. East Pakistan's history from 1947 to 1971 was marked