J. Amarnath obtained the B.E degree in electrical engineering from Osmania University, Hyderabad, A.P. India in 1982 and the M.E. degree in power systems from Andhra University, Visakhapatnam in1984. He worked in Tata Electric Company, Bombay during 1985-1986. In 1987 he was a Lecturer in Andhra University for a period of 2 years and then he joined in Nagarjuna University for a period of 4 years as Lecturer. In 1992 he joined JNTU College of Engineering, Kukatpally, Hyderabad. Presently he is professor and head of the department of Electrical and Electronics engineering department, JNTU, Hyderabad, A.P. He presented more than 250 research papers in national and international conferences. His research interests includes high voltage engineering, gas insulated substations, industrial drives, power electronics, power systems, microprocessors and microcontroller applications to power systems and industrial drives.