1. Department of Mathematical & Physical Sciences, University of Nizwa, Oman
2. Department of Mathematics, Babasaheb Bhimrao Ambedkar University, Lucknow, India
3. Mathematics Division, School of Advanced Sciences, VIT University, Chennai, Tamil Nadu, India
4. Department of Applied Sciences, National Institute of Technology Goa, India
5. Department of Mathematics, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
6. Department of Mathematics, Davangere University, Shivagangothri, India