J. S. Rao is an AICTE-INAE Distinguished Visiting Professor associated to BMS College of Engineering, Bangalore, and Reva University, Bangalore, President of The Vibration Institute of India (TVII) and the Chief Editor of Journal of Vibration Engineering and Technology. He was the Ex-Chief Science Officer with Altair Engineering (India), Bangalore, and was a Professor at IIT Delhi and Kharagpur as well as at several universities in England, France, Canada, USA, Germany, Taiwan and Australia. He is a founding father of IFToMM, a member of its executive council and Chairman of its Rotor Dynamics Committee and Permanent Commission on Conferences and has received numerous honors and awards. He authored over 400 research publications and 12 textbooks. V Arun Kumar is a Professor in the Department of Mechanical Engineering, Dr. Ambedkar Institute of Technology, Bangalore, and a technical consultantfor a number of private companies. He pursued M.Sc. in Engineering from Madras University and Ph.D. from IIT Madras. Prior to joining Dr. Ambedkar Institute of Technology, he was the Head of the Propulsion division in CSIR-National Aerospace Laboratory. He has authored over a hundred research publications and holds 15 patents.  Soumendu Jana is a Scientist in CSIR-National Aerospace Laboratories, Bangalore, where his work focuses on rotor dynamics, vibrations, passive and active magnetic bearings, vibration control, external dampers and aero-engine health management. He has done his Ph.D. from IIT Kharagpur and postdoctoral work in the University of Wales, UK. He has authored numerous research papers and technical reports and holds 2 patents.