1. Department of Physics, DAV University, Jalandhar 144012, India
2. Department of Physics, Government College for Girls, Taraori, Karnal 132116, India
3. Department of Physics, Deenbandhu Chhotu Ram University of Science and Technology, Murthal 131039, India
4. Department of Physics, Kurukshetra University, Kurukshetra 136119, India