Chittagone Med School, State Med Faculty, Bengal, India, 1937-1941, LMF. Lake Med College, University of Calcutta, 1947-1949, Bachelor of Medicine and Bachelor of Surgery. King George’s Med College & University of Lucknow, India, 1955-1956, Doctor of Medicine Pathology & Bacteriology.
Institut Pasteur, Paris, 1958-1959, Microbiology. University of Texas, Galveston, 1971, Microbiology. Spoken languages: Bengali, Hindi, English, French.
Senior Medical Officer, Bacterial Diseases Unit, Division of Communicable Diseases, World Health Organization since 1966. Medical Officer, World Health Organization Cholera Team, Philippines, 1965-1966. Professor & Head of Department of Bacteriology, Associate Professor, School of Tropical Medicine, Calcutta, India, 1961-1965.
Reader in Bacteriology, Associate Professor, Institute, Institution of Post Graduate Medical Education & Research, Calcutta, 1956-1961.
