Bachelor of Science in Agriculture, Kerala University, 1962. Master of Science in Agriculture, University Goettingen, Federal Republic Germany, 1964. Doctor of Philosophy in Agriculture with distincton, University Giessen, Federal Republic Germany, 1968.
Doctor of Science, Slovak Academy of Sciences, Bratislava, 1995.
Science co-worker, U. Giessen, 1968-1969; postdoctoral research associate, Michigan State University, East Lansing, 1970-1971; research scientist, Michigan State University, East Lansing, 1973-1978; postdoctoral fellow, Canada National Research Council, Ottawa, Ontario, 1971-1973; virologist, International Institute Tropical Agriculture, Ibadan, Nigeria, 1978-1989; head biotechnology unit, International Institute Tropical Agriculture, Ibadan, Nigeria, 1989-1998.
Fellow Indian Phytopathol. Society, National Academy Science, Institute Biology United Kingdom, Third World Academy Sciences Italy, Indian Virol. Society; member American Phytopathol.
Society, Society for General Microbiology, Indian Virological Society, Indian Botanical Society, International Working Group on Legume Viruses, New York Academy Sciences, Nigerian Society Plant Protection, Root Crops Society, Sigma Xi.
Married Aleyamma Kurien Melpurathu, April 15, 1972. 1 child, Lisa.