During the course of his career in India the positions he was appointed to included special duty in connection with Burma-Manipur Boundary Commission as Medical Officer, 1882; Scientific Assistant Secretary, Government of India, 1881; in charge of the India Section of the Calcutta International Exhibition, 1884; Commissioner, Colonial and Indian Exhibition, London, 1885–86; Reporter to Government of India on Economic Products, 1887–1903; Governor of Imperial Institute, 1892; Editor, The Agricultural Ledger, 1892–1903; President, Pharmacological Section of the Indian Medical Congress, 1894; in charge of Calcutta Industrial Museum, 1894-03; Honorary Secretary, Indigenous Drug Committee of India, 1901; Director, Indian Art Exhibition, Delhi, 1903.