1. Lab of Theoretical Physics, Department of Physics, Hazara University, Mansehra, Pakistan
2. Laser Spectroscopy Lab, Central Research Laboratory, Hazara University, Mansehra, Pakistan
3. Glasgow College, University of Electronic Science and Technology of China, Chengdu, People's Republic of China
4. Department of Industrial Engineering, College of Engineering, King Khalid University, Abha, Saudi Arabia
5. Department of Electrical Engineering, College of Engineering, King Khalid University, Abha, Saudi Arabia