The correct answer is (d) Lord Reading.
Lord Reading was the only Jewish viceroy of India. He was born Rufus Isaacs in London in 1860. He was a successful lawyer and politician before becoming viceroy in 1921. He served as viceroy until 1926. During his time as viceroy, he oversaw the signing of the Government of India Act of 1935, which granted India greater self-government. He also played a key role in the negotiations that led to the creation of the Dominion of Pakistan in 1947.
Lord Ripon (a) was a British Liberal politician who served as viceroy of India from 1880 to 1884. He was a strong advocate of Indian self-government and introduced a number of reforms, including the Indian Councils Act of 1883, which expanded the role of Indians in the government of India.
Lord Lytton (b) was a British Conservative politician who served as viceroy of India from 1876 to 1880. He is best known for his role in the Second Anglo-Afghan War (1878-1880).
Lord Wavell (c) was a British field marshal who served as viceroy of India from 1943 to 1947. He is best known for his role in the negotiations that led to the independence of India and Pakistan in 1947.