This thesis is a study of the life and career of Jonathan Duncan, 1756-1795. It covers his career until he left the post of Resident at Benares; the period of his governorship of Bombay has been omitted. Chapter I is a sketch of Duncan's career till his appointment to the residency of Benares. At attempt has been made to show how in his subordinate positions he received training for more responsible work. Chapter II depicts the condition of Benares at the time of his appointment and the problems which he was confronted with. In Chapter III Duncan's economic policy has been discussed with reference to his reforms in tariffs, land revenue, opium and indigo. Chapter IV deals with judicial reforms and measures for the maintenance of law and order initiated at his instance. In Chapter V his attitude to Indian society, his humanity and love for Hindu learning have been discussed; while Chapter IV deals with his achievements in Malabar - his contribution to the establishment of a regular administrative machinery, and settlements with the several Rajas. In conclusion a summary of his main reforms has been attempted, and his claims to greatness examined