Department of Computer Science and Engineering, East West University, Bangladesh. fanwar@ewubd.edu|Department of Computer Science and Engineering, East West University, Bangladesh. fanwar@ewubd.edu|Department of Computer Science and Engineering, East West University, Bangladesh. fanwar@ewubd.edu|Department of Computer Science and Engineering, East West University, Bangladesh. fanwar@ewubd.edu|Department of Computer Science and Engineering, East West University, Bangladesh. fanwar@ewubd.edu|Department of Computer Science and Engineering, East West University, Bangladesh. fanwar@ewubd.edu|Department of Computer Science and Engineering, East West University, Bangladesh. fanwar@ewubd.edu