Obaid Ullah, M., University of Engineering and Technology, Taxila, Pakistan Odusote, O. O., Department of Physics, Olabisi Onabanjo University, Ago – Iwoye, Ogun State, Nigeria Odusote, O. O., Department of Physics, Olabisi Onabanjo University, Ago-Iwoye, Nigeria Oluwafisoye, P. A. Orfi, S. D., Health Physics Division, PINSTECH, P.O. Nilore, Islamabad, Pakistan Orfi, S. D., Health Physics Division, PINSTECH, P. O. Nilore, Islamabad, Pakistan Osama, S., Center for Advanced Studies in Engineering (CASE), Sector G-5/1, Islamabad, Pakistan Osman, A., Grid Computing Laboratory, CISD, PIEAS, P.O. Nilore, Islamabad, Pakistan Owais, Muhammad, Computer Science, University of Engineering & Technology 54890, Punjab, Pakistan