Yamuna Govindarajan received her B.E. (Electronics and Communication) Degree from the Regional Engineering College, Trichy, Tamil Nadu, India in 1987. She received her M.E. (Power Systems) Degree from Annamalai University in the year 1991. Currently, she is working as an Associate Professor in the Department of Electrical and Electronics Engineering, Annamalai University, Tamil Nadu, India. Her areas of interest are digital signal processing, digital image processing and information security.