1. Department of Mathematics Vel Tech High Tech Dr.Rangarajan Dr.Sakunthala Engineering College Avadi Tamil Nadu India
2. Department of Mathematics, School of Advanced Sciences Vellore Institute of Technology Vellore Tamil Nadu India
3. Department of Mathematics Paavai Engineering College (Autonomous) Namakkal Tamil Nadu India
4. Department of Mathematics, Faculty of Science Al‐Balqa Applied University Amman Jordan