The correct answer is option 2, Lord Mountbatten. Lord Mountbatten was the Chairman of the Partition Council during the partition of India in 1947. The Partition Council, also known as the Indian Independence Act 1947, was responsible for dividing British India into two separate nations - India and Pakistan. Lord Mountbatten was appointed as the Viceroy of India in 1947 and played a crucial role in overseeing the partition. He worked closely with Indian leaders like Mahatma Gandhi, Jawaharlal Nehru, and Muhammad Ali Jinnah to plan and implement the partition. Under his leadership, the Partition Council made decisions regarding the division of territories, allocation of resources, and transfer of power. Lord Mountbatten`s efforts towards the partition had a lasting impact on the history of India and Pakistan.