1. Department of Mathematics, National Institute of Technology Durgapur, WB, India
2. Department of Mathematics, Y.S. Palpara Mahavidyalaya, Purba Medinipur, WB, India
3. Department of Mathematics, School of Applied Sciences, KIIT Deemed to be University, Bhubaneswar, Odisha, India
4. Department of Mathematics, Mahisadal Raj College, Mahisadal, WB, India
5. Graphical Systems Department, Vilnius Gediminas Technical University, Vilnius, Lithuania