1. Rajesh Singh:
Department of Statistics, Banaras Hindu University, Varanasi, India.
2. Yashpal Singh Raghav:
Department of Mathematics, Jazan University, Jazan, KSA
3. Prayas Sharma:
Department of Decision Sciences, School of Business,University of Petroleum and Energy Studies, Dehradun, India
4. Nitesh K. Adichwal:
Department of Decision Sciences, School of Business,University of Petroleum and Energy Studies, Dehradun, India