1. Department of Science and Humanites, Karpagam College of Engineering, Coimbatore, India
2. Department of Mechanical Engineering, Prince Mohammad Bin Fahd University, Al Khobar, Kingdom of Saudi Arabia
3. Department of Mathematical Sciences, Karakoram International University Main Campus, Gilgit, Pakistan
4. Bharathiar University, Coimbatore, India
5. Mathematics Department, Faculty of Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
6. School of Electronics, Peking University, Beijing, China