1. School of Chemical Sciences Mahatma Gandhi University Kottayam Kerala India
2. Department of Science, Amrita School of Engineering Amrita Vishwa Vidyapeetham Chennai India
3. International and Interuniversity Centre for Nanoscience and Nanotechnology Mahatma Gandhi University Kottayam Kerala India
4. Post Graduate and Research Department of Chemistry Mar Thoma College Tiruvalla Kerala India
5. School of Environmental Sciences Mahatma Gandhi University Kottayam Kerala India
6. Programa de Engenharia Civil, COPPE Universidade Federal de Rio de Janeiro, Centro de Tecnologia – Cidade Universitaria, av. Horacio Macedo Rio de Janeiro Brazil