1. UAE University,College of Science,Chemistry Department,Al-Ain,United Arab Emirates,P.O. Box 15551
2. Swami Vivekanand Government College Ghumarwin,Department of Physics,Himachal Pradesh,India,174021
3. FET- SSGI, Shri Shankaracharya Technical Campus, Junwani,Department of Applied Physics,Bhilai,Chhattisgarh,India
4. Indian Institute of Technology Jodhpur,Department of Metallurgical and Materials Engineering,Karwar,India,342037