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 by political instability and economic difficulties. The nascent democratic institutions foundered in the face of military intervention in 1958, and the government imposed martial law between 1958 and 1962, and again between 1969 and 1971. Between 1947 and 1971 it was intermittently governed by Governors and Chief Minister of East Pakistan. The modern office of Prime Minister was established following the declaration of independence of East Pakistan with the Provisional Government of Bangladesh on 10 April 1971, of which Tajuddin Ahmad became the first Prime Minister of Bangladesh. Since the adoption of the current Constitution of Bangladesh in 1972 the