1. Department of Physics, DAV College, Amritsar, Punjab 143001, India
2. Department of Applied Science, Swami Sarvanand Group of Institutes, Dinanagar, Punjab, India
3. Department of Physics, Dr. B R Ambedkar National Institute of Technology, Jalandhar, Punjab, India
4. Radiological Physics & Advisory Division, Bhabha Atomic Research Centre, Mumbai 400085, India