Correct option is B
William Harrison Moreland was a British civil servant who served in the Indian Civil Service and wrote several books on the economic history of India based on Mughal, Dutch, and Portuguese sources.He published several books including: The Agrarian System of Moslem India, India at the Death of Aurangzeb, From Akbar to Aurangzeb.
The Mughal Nobility under Aurangzeb was written by M Athar Ali.
Some Aspects of Muslim Administration was written by R. P Tripathi.