Bachelor of Technology in Electrical Engineering, Indian Institute of Technology, New Delhi, 1978. Doctor of Philosophy, State University of New York, Stony Brook, 1983.
Visiting scientist Mathematics Institute, University Groningen, Netherlands, 1999—2000. Professor Chennai Mathematics Institute, Chennai, India, since 2000. Associate editor Multidimensional Systems and Signal Processing, Kluwer Academy, Publications, Hingham, Massachusetts, since 1995.
Activist Movement for People's Unity, Chennai (Madras), India, 2002.
Married Usha Rani Natarajan, April 24, 1985. Children: Arul, Ananth.