The correct answer is (a).
Larry Collins and Dominique Lapierre were a French-American writing team who collaborated on several best-selling non-fiction books, including “Is Paris Burning?” and “O Jerusalem!”. Their book “Mountbatten and the Partition of India” was published in 1975.
M.N. Das was an Indian lawyer and politician who served as the Chief Minister of Bihar from 1937 to 1939. He was also a member of the Indian National Congress and a close associate of Mahatma Gandhi.
Louis Fischer was an American journalist and historian who was known for his coverage of the Soviet Union and the Indian independence movement. He wrote several books on these topics, including “The Soviets in World Affairs” and “The Life of Mahatma Gandhi”.
(b) and (c) are incorrect because these individuals did not write the book “Mountbatten and the Partition of India”.