1. Department of Applied Sciences and Humanities, Indira Gandhi Delhi Technical University for Women, Delhi, India
2. Department of Applied Sciences, Maharaja Surajmal Institute of Technology, C-4 Janakpuri, New Delhi, India
3. Department of Mathematics, King Fahd University of Petroleum and Minerals, Dahran, Saudi Arabia
4. Center for Intelligent Secure Systems, King Fahd University of Petroleum and Minerals, Dahran, Saudi Arabia