Born in January, 1898; obtained M.Sc. degree in Botany from Calcutta University and D.Sc. and D.I.C. from London University; recipient of University Gold Medal, Calcutta, Huxley Memorial Medal, London and Berkeley Memorial Medal of Asiatic Society. Started career as Mycologist in 1927 at the Forest Research Institute, Dehradun and did pioneering research on mycology and forest pathology with special reference to biology and pathology of rust fungi on conifers, soil borne diseases and their control and timber decay and control. After retirement in 1956 from the F.R.I., appointed Director, Botanical Research, Jammu and Kashmir State where he initiated and organized work on Botanical Research and surveyed diseases of forest plants in the State. Published about 50 research papers in national and international scientific journals.Elected Fellow of National Institute of Sciences of India and Fellow of Asiatic Society. After relinquishing the post of Director, Botanical Research, Jammu and Kashmir State in 1958, Dr. Bagchee became Professor Emeritus, Forest Research Institute, Dehra Dun where he is continuing his research on diseases of forest plants.