S. Sivanagaraju is Associate Professor, Department of Electrical Engineering,
University College of Engineering, JNTU, Andhra Pradesh.
M. Balasubba Reddy is Professor and Head, Department of Electrical Engineering, Prakasam Engineering College, Kandukur, Andhra Pradesh.
D. Srilatha is Associate Professor, Department of Electrical Engineering, Prakasam Engineering College, Kandukur, Andhra Pradesh.