1. Department of Mathematics, MES College of Arts, Commerce and Science, Bangalore 560003, India
2. Department of Mathematics, REVA University, Bangalore 560064, India
3. Department of Mathematics, GITAM School of Science, GITAM Deemed to be University, Bangalore-Karnataka 562163, India
4. Department of Mathematics, College of Sciences, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
5. Department of Mechanical Engineering, Sejong University, Seoul 05006, South Korea
6. Department of Mathematics, Lahore Leads University, Lahore, Pakistan