Professor Chatterjee obtained his Ph.D in 1966, Fellowship of Obstetrics & Gynaecology (FOG) in 1970 and was awarded the prestigious Doctor of Science (D.Sc) in 1976. He has been bestowed with numerous awards and honours that include Ford Foundation Fellowship, Fellow of the Zoological Society, Visiting Scientist (Ford Foundation), Fellow Malaysian Scientific Association, Honorary Postgraduate Lecturer (Calcutta University), Member of the International Editorial Board “Population Information”, George Washington University Medical Centre (USA), Member of the Editorial Board of Biomedical Research and Research Career Development Award (FPF, India). Professor Chatterjee has published 127 original research articles in American, Canadian, European and other international journals. He has also presented several papers in national and international symposia. He is a member of the Society for the Study of Reproduction (USA), the Society for the Study of Fertlity (UK), the American Society of Andrology, the Physiological Society of India, the Zoological Society of India and the Malaysian Society of Pharmacology & Physiology.