1. International Center for Basic and Applied Sciences Jaipur India
2. Anand International College of Engineering Jaipur India
3. Harish‐Chandra Research Institute (HRI) Allahbad India
4. Institute of Mathematics and Mathematical Modeling Almaty Kazakhstan
5. Department of Mathematics Abdul Wali Khan University Mardan Mardan Pakistan
6. Department of Mathematics, College of Science King Saud University Riyadh Saudi Arabia