Master of Science, Bharathi Dasan University, Trichy, India, 1984. Doctor of Philosophy, Indian Institute of Technology, New Delhi, 1996.
Science officer, Indira Gandhi Center for Atomic Research, Kalpakkam, India, since 1985. Meteorologist Kern Forschungszentrum, Jülich, Germany, 1993-1994.
Member science activities Breakthrough, Calcutta. Member Indian Society for Radiation Physics, Indian Physical Society, India Meteorological Society (executive committee member 1996-1997).
Married Venkatesan Sumathi, June 27, 1990.