Dr. Anil Kumar has been currently working as Head of Mathematics department in A. S. College (A constituent unit of V.K.S. U, Ara) Bikramganj, Rohtas, Bihar, India. He has been more than 18 years of teaching experience in different colleges (Lingaya`s Institute of Management and Technology, Faridabad and Echelon Institute of Technology, Faridabad of MDU Rohtak, Haryana; Vivekananda College of Delhi University) He completed his Intermediate (Science) from Dr. R.M.L. College, Muzaffarpur; B.Sc.(Honours) Mathematics from L.S. College, Muzaffarpur; M. Sc. (Mathematics) and Ph.D. Mathematics (Fuzzy Numbers) from P.G. Department of Mathematics, BRA Bihar University, Muzaffarpur, Bihar, M.Phil. (Mathematics) from Alagappa University, Karaikudi, Tamil Nadu. He qualified CSIR-UGC-NET (Mathematical Sciences) with rank 30. He selected as Lecturer (BPSC 41/2014), as Assistant Professor (BPSC 24/2014) and as Assistant Professor (BPSC 70/2014).