P. R. S. Pillai was born on 28th October 1953. He received his Ph.D. in the field of Underwater Communication: Development of Programmable Arrays in 1982 from the University of Cochin.
He started his career as Scientific Officer in the Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore in 1982.
In 1983, he joined the Department of Electronics, Cochin University of Science and Technology as faculty and has been elevated to the post of Professor in Electronics in 1994.
He was the Professor and Head of the Department of Electronics during 1998 to 2001 and 2010 to 2012.
Professor P.R.S. Pillai has conducted theoretical and experimental studies in Underwater Communication, Sonar Signal Processing, Ocean Acoustics, Communication and Networking and has more than 130 research publications in these areas. He has secured the Sir C V Raman Award for the best paper published in the Journal of Acoustical Society of India in the year 2002. He has successfully completed many Technology Development and Application Oriented R & D Projects funded by various Government of India Departments and Agencies. He is a member of the IEEE Oceanic Engineering Society, Acoustical Society of America and Life Member of the Acoustical Society of India.