1. Department of Information Technology, V R Siddhartha Engineering College, Vijayawada, India
2. Department of Mathematics, V R Siddhartha Engineering College, Vijayawada, India
3. Department of Computer Science and Engineering, Koneru Lakshmaiah Education Foundation, Vijayawada, India
4. Department of Electrical Power Engineering, Defence University, College of Engineering, Bishoftu, Ethiopia