1. Institute of Aeronautical Engineering, Dundigal, Hyderabad, T.S. 500043, India
2. Department of IT, Mathematics section, University of Technology and Applied Sciences, Muscat 324, Oman
3. Vellore Institute of Technology, Kelambakkam - Vandalur Rd, Rajan Nagar, Chennai 600127, India
4. Department of Mathematics, CMR Engineering College, Medchal, T.S. 501401, India
5. Mohan Babu University, Sree Vidyanikethan Sree Sainath Nagar, Andhra Pradesh, Tirupati 517102, India
6. Osmania University, Main road, Amberpet, Hyderabad, Telangana T.S. 500007, India
7. Vellore Institute of Technology, Kelambakkam - Vandalur Rd, Rajan Nagar, Chennai, Tamil Nadu 600127, India