Prime Minister of Sri Lanka the Sri Lanka Police. During emergencies military units have been allocated to bolster security. At present the Prime Minister's Security Division is in charge of security of the Prime Minister. The post of Prime Minister of Ceylon was created in 1947 prior to independence from Britain and the formation of the Dominion of Ceylon in 1948. United National Party leader D. S. Senanayake became the first Prime Minister of Then Ceylon in 1947 after independence. In 1972 when Sri Lanka became a republic the name of the post changed to Prime Minister of Sri Lanka. With a Westminster-based political system
Dominion of Ceylon and an independent foreign policy as part of the non-aligned movement. In 1948, when Ceylon achieved independence from the United Kingdom, the Governor was replaced with a Governor-General. The Governor-General was responsible not to London, but to the monarch of Ceylon, the local government, and the local parliament. The role was generally ceremonial, however it did come with the 'reserve powers' of the Crown which allowed the Governor General for example to dismiss the Prime Minister (with power such as this, the Governor General had to act as a responsible non political 'referee' of the government, using the national constitution