1. Center for Advanced Mathematics and Physics, Campus of EME College, National University of Sciences and Technology, Peshawar Road, Rawalpindi, Pakistan
2. Department of Mathematical Sciences, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
3. Department of Basic Science and Humanities, EME College, National University of Sciences and Technology, Peshawar Road, Rawalpindi, Pakistan