1. Department of Physics, Government Arts College, Bharathidasan University, Tiruchirappalli, India
2. Department of Physics, Nehru Memorial College, Bharathidasan University, Tiruchirappalli, India
3. Department of Physics, Urumu Dhanalakshmi College, Bharathidasan University, Tiruchirappalli, India
4. Department of Chemistry, St Berchmans College (Autonomous), Mahatma Gandhi University, Changanassery, India
5. Department of Mechanical Engineering, University Centre for Research and Development, Chandigarh University, Mohali, India
6. Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia
7. Department of Chemical Engineering, Siddaganga Institute of Technology, Tumkur, India