Bachelor Technology, College of Engineering, 1987. Master Technology, Cochin University of Science and Technology, India, 1989. Doctor of Philosophy, Indian Institute of Technology, Madras, 1993.
Research fellow Indian Institute Technology, Madras, 1989-1993. Senior research and development engineer Electronics Research and Development Center, Trivandrum, Kerala, India, 1993-1996. Postdoctoral fellow Nanyang Technological University, Singapore, 1996-1998.
Senior member technical staff Institute Communications Research, since 1998. Senior technical staff member Institute Communications Research.
Member Institute of Electrical and Electronics Engineers (senior ).
Married Preetha Vijayamma Son of, May 31, 1966. 1 child, Lekshmi.