1. Department of Mathematics, Indian Institute of Information Technology Sri City, Chittoor, Andhra Pradhesh, India
2. Department of Electronics and Communication Engineering, Indian Institute of Information Technology Sri City, Chittoor, Andhra Pradhesh, India
3. Aeronautical Engineering, Multi-Physical Engineering Sciences Group, Mechanical Engineering Department, School of Science, Engineering and Environment (SEE), University of Salford, Manchester, United Kingdom