Arnab Kumar DeArnab Kumar De received his bachelor degree in Mathematics from The University of Burdwan, Burdwan, India in the year 2005. In 2007 he obtained his post graduate degree in Applied Mathematics from Jadavpur University, Kolkata, India. He received the h.D. degree in Mathematics from University of Kalyani, Kalyani, India in the year 2017. Presently, he is an Assistant Professor of Mathematics in Government College of Engineering and Textile Technology, Serampore, under Maulana Abul Kalam Azad University of Technology, West Bengal, India. He received National merit Scholarship, U. G. C. merit scholarship for securing first position in first class from The University of Burdwan. Also he got Dharanidhar Roy medal in 2005. He is a member of Indian Statistical Institute, Kolkata and Operational Research Society of India. He published research articles in various international journals and presented papers in several international conferences. His current research interest includes stochastic programming, fuzzy programming, fuzzy stochastic multi-objective decision making, fuzzy multiple criteria decision making, type-II fuzzy set theory, Pythagorean fuzzy set theory, transportation problem, solid waste management, etc. Read More Read Less