Option 1, The Raja of Junagadh, is incorrect. The Indian States Committee was not formed under the Raja of Junagadh. The Raja of Junagadh was the ruler of the Junagadh state in Gujarat at that time.

Option 2, Ian Copland, is incorrect. Ian Copland was not involved in the formation of the Indian States Committee. Ian Copland is a historian known for his research on the history of modern India, but he was not directly involved in the committee.

Option 3, Sir Harcourt Butler, is the correct answer. The Indian States Committee was formed in 1928 under the chairmanship of Sir Harcourt Butler. Sir Harcourt Butler was a British politician who served as the Governor of the United Provinces (now Uttar Pradesh) in India. He played a key role in the formation of the Indian States Committee, which was established to study and make recommendations on the relationship between the princely states and the British government.

Option 4, Motilal Nehru, is incorrect. Motilal Nehru was a prominent Indian nationalist and leader of the Indian National Congress, but he was not involved in the formation of the Indian States Committee. The committee was primarily composed of British administrators and Indian