1. Centre of Excellence in Solid State PhysicsUniversity of the Punjab Lahore Pakistan
2. Department of PhysicsThe University of Lahore Lahore Pakistan
3. Department of PhysicsSchool of Science and Engineering (SSE), Lahore University of Management Sciences (LUMS) Lahore Pakistan
4. Physics and Astronomy Department, College of ScienceKing Saud University Riyadh Saudi Arabia