1. Department of Chemistry, St Berchmans College (Autonomous), Mahatma Gandhi University, Changanassery, Kerala, India
2. Department of Mechanical Engineering, University Centre for Research & Development Chandigarh University, Mohali, Punjab, India
3. Department of Chemistry, Arignar Anna Government Arts College, Musiri, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
4. Department of Chemistry, K. Ramakrishnan College of Engineering (Autonomous), Trichy, Tamil Nadu, India
5. Department of Physics, Government Arts College, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
6. Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran, Kingdom of Saudi Arabia