1. Department of Mathematics, Government Postgraduate Gordon College, Rawalpindi Pakistan
2. Department of Mathematical Sciences, Federal Urdu University of Arts, Science & Technology, Near Zero Point, Islamabad Pakistan
3. Department of Electronics, Quaid-I-Azam University, Islamabad, Pakistan
4. Department of Physics, University of Agriculture, Faisalabad, Pakistan
5. Department of Electrical Engineering, King Saud University, Saudi Arabia