1. Department of Computer Science and Engineering Chaitanya Bharathi Institute of Technology Hyderabad Telangana India
2. Department of Systemics, School of Computer Science University of Petroleum and Energy Studies (UPES), Bidholi Dehradun 248007 India
3. Department of Computing East Tennessee State University Johnson City Tennessee 37614‐1266 USA
4. Department of Computer Science and Engineering, Faculty of Engineering and Technology M. S. Ramaiah University of Applied Sciences Bangalore Karnataka 560054 India