1. Complex systems and Networked Science Lab, Department of Mathematics Thiruvalluvar University Vellore Tamil Nadu India
2. Department of Mathematics, Faculty of Science Maejo University San Sai Chiang Mai Thailand
3. Department of Applied sciences and Humanities G L Bajaj Institute of Technology and Management Greater Noida Uttar Pradesh India
4. Department of Applied sciences and Humanities ABES Engineering College Ghaziabad Uttar Pradesh India