He has created Eight Centres of Excellence at PSG Tech in collaboration with Government agencies and Industries. His PhD work on wearable electronics earned him a National Award from ISTE, and he has received 27 awards in the National and in International level. He has guided 92 graduate and postgraduate projects. He has produced 13 PhD Scholars and 12 candidates are doing PhD under his supervision. He has visited many countries for institute industry collaboration and as a keynote speaker. He has been an invited speaker in 373 programs. Also, he has organized 112 events, including conferences, workshops, and seminars. He completed his graduate program in Electrical and Electronics Engineering from University of Madras and his post-graduate from PSG College of Technology, India, and Masters in Business Administration from IGNOU, New Delhi. After completion of his graduate degree, he joined as project engineer for Serval Paper Boards Ltd., Coimbatore (now ITC Unit, Kovai). He is also a Certified Charted Engineer and BSI Certified ISO 500001 2008 Lead Auditor. He has authored 32 books in his areas of interest published by  Springer, CRC Press, Elsevier, Nova Publishers, Cambridge University Press, Wiley, Lambert Publishing and IGI Global and also contributed 36 chapters in various books. He has 11 patents, one Design patent and five Copyrights  to his credit He is also the Chairman of Indian Association of Energy Management Professionals and Executive Member in Institution of Engineers, Coimbatore, Vice President of Sustainability and Energy Practitioners Association, Executive Council Member in Institute of Smart Structure and Systems, Bangalore, Associate Member in CODISSIA. He is also holding prestigious positions in various national and international forums and he is a Fellow Member in IET (UK), Fellow Member in IETE, Fellow Member in IE and Senior Member in IEEE. He has been appointed as Nodal Officer for Technology Enabling Centre, Anna University to strengthen industry - Academic interaction and to promote Technology Development Ecosystem.

Dr. Rajaram has published over 268 research papers, authored 19 book chapters, and guided 10 Ph.D. scholars. He has coordinated several sponsored research projects funded by AICTE, DST, and RCI. In addition, he holds multiple patents in wearable medical devices, air pollutant filtration, and assistive technologies.
An active member in Institution of Engineering and Technology and senior member of IEEE, Dr. S. Rajaram has received numerous accolades, including the Young Scientist Fellowship from TNSCST and the BOYSCAST Fellowship from DST, New Delhi. He is the recipient of Cambridge International Certification for Teachers. His consultancy work includes collaborations with companies like Honeywell and Cognizant in wireless and communication technologies.