1. International and Interuniversity Centre for Nanoscience and Nanotechnology Mahatma Gandhi University Kottayam India
2. Postgraduate Department of Chemistry MSM College Kayamkulam India
3. Viswajyothi College of Engineering and Technology Muvattupuzha India
4. Department of Chemistry Amritha Vishwa Vidyapeetham, Amrithapuri Campus Kollam India
5. School of Chemical Sciences Mahatma Gandhi University Kottayam India
6. Instituto de Alta Investigación, CEDENNA Universidad de Tarapacá Arica Chile