� Distinguished Alumnus Award of the Indian Institute of Science, 2016
� Prof. S N Mitra Memorial Award, Indian National Academy of Engineering, 2013
� Academy Excellence Award , Defence Research and Development Organization, 2009
� CDAC-ACS Foundation Lecture Award, 2008
� J C Bose Fellowship, Department of Science and Technology, Government of India, 2007
� Outstanding Alumnus, Coimbatore Institute of Technology, 2006
� Homi J. Bhabha Award for Applied Sciences,Hari Om Ashram Trust Awards, University Grants Commission, 2004
� Ph. D (Honor's Causa) from Punjab Technical University, December 2003
� Prof. Satish Dhawan Chair Professor , 2003-2006
� Padmashree by the President of India, 2002
� Jawaharlal Nehru Centenary Lecturership by Indian National Science Academy, 2001
� Alumni Award for Excellence in Engineering Research by the Indian Institute of Science, 2001
� J. C. Bose Memorial Award 1999 for the best Engineering Science oriented paper entitled �Non Resonant Edge Slot Antenna for Phased Array Applications� awarded by the Council of Institution of Electronics and Telecommunication Engineers (IETE), India, 2001
� Visiting Professor, Carnegie Mellon University, USA 2000-
� Millennium Medal of the Indian National Science Congress, 2000
� Award for the Contributions to Computers and Communications, Institute for the Future, USA at the Asia Outlook Conference in Hongkong, 1998
� Excellence in Aerospace Education Award of the Aeronautical Society of India, 1998
� Dr. Neelakantan Memorial lecture award, 1997
� Platinum Jubilee lecture Award of the Indian Science Congress,1997
� Sri Hari Om Prerit Dr. Vikram Sarabhai Research Award for contributions to Electronics, Informatics and Telematics, 1995
� J.C. Bose Memorial Award 1987 for the best Engineering Science oriented paper entitled �Accurate estimation of ILS glideslope in the presence of terrain irregularities� awarded by the Council of Institution of Electronics and Telecommunication Engineers (IETE), India, 1989..
� UNESCO/ROSTSCA Young Scientist 1985 for Contributions to the Application of Computers to Science Research and Informatics awarded by the Regional Office of Science & Technology in South Central Asia,1986.
� NRC/NOAA Senior Resident Research Associateship 1987-1989 awarded by the National Research Council of the United States of America.