The correct answer is (b). Lord Cornwallis introduced the Permanent Settlement in Bengal and Bihar in 1793. The Permanent Settlement was a system of land revenue collection in which the British East India Company granted zamindari rights to Indian landlords in exchange for a fixed annual payment. This system had a number of negative consequences, including the impoverishment of many Indian peasants and the rise of a class of wealthy landlords.
Lord Curzon was Viceroy of India from 1899 to 1905. He is best known for his reforms of the Indian education system and his partition of Bengal.
Lord Ripon was Viceroy of India from 1880 to 1884. He is best known for his reforms of the Indian local government system.
Lord Wellesley was Governor-General of India from 1798 to 1805. He is best known for his expansion of British power in India.