The Prime Minister of Britain at the time of Pakistan-India independence was? A) Clement Atlee B) Winston Churchill C) Lord Mountbatten D) Ramsay McDonald Related MCQs: Who was the Prime Minister of Britain at the time of Government Act of India 1858 In Britain, the office of the Prime Minister came into existence in the time of? ……. was the third Prime Minister of Pakistan? British Prime Minister at the outbreak of World War II was: