Dr. P. Raviraj, Professor & Head, Dept. of CSE, Kalaignar Karunanidhi Institute of Technology, Coimbatore-641 402, Tamilnadu, Iindia
E-mail: drpraviraj@gmail.com

Dr. Hasibun Naher, Lecturer in Mathematics, Department of Mathematics and Natural Sciences, BRAC University, Bangladesh
E-mail: hasibun06tasauf@gmail.com