Institution: | 1. Department of Applied Sciences, Punjab Technical University, Jalandhar, India;2. Department of Applied Science, Ferozepur College of Engineering and Technology, Farozshah, Ferozepur, India;3. Department of Physics, Dr. B.R.Ambedkar National Institute of Technology, Jalandhar, India;4. Department of Physics, HNB Garhwal University, Tehri Garwal, India |