2. In this Act-“alien” means a person who is not a citizen of Bangladesh or a Commonwealth citizen;“Indo-Pakistan sub-continent” means India as defined in the Government of India Act, 1935, as originally enacted;“minor” means, notwithstanding anything in the Majority Act, 1875, any person who has not completed the age of twenty-one years;“prescribed” means prescribed by rules made under this Act; “Commonwealth citizen” means a person who has the status of a Commonwealth citizen under the British Nationality Act, 1948;“British protected person” means a person who has the status of a British protected person for the purposes of the British Nationality Act, 1948.