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 Hunamities GL Bajaj Institute of Technology and Management Greater Noida Uttar Pradesh India
4. Department of Applied sciences and Humanities Government Engineering College Vaishali Bihar India