1. Department of Electronics and Communication Engineering, M.Kumarasamy College of Engineering, Karur, Tamil Nadu, India
2. Department of Electronics and Communication Engineering, Kongu Engineering College, Erode, Tamil Nadu, India
3. Department of Self Development Skills, CFY Deanship, King Saud University, Riyadh, Saudi Arabia
4. Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, Saudi Arabia