1. Department of Mathematics, Kongunadu Arts and Science College, Coimbatore, India
2. Department of Mathematics, College of Sciences and Humanities, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia
3. Department of Mathematics, Sri Eshwar College of Engineering, Coimbatore, India
4. Department of Mathematical Sciences, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
5. Department of Physics, College of Sciences, University of Bisha, Bisha, Saudi Arabia