1. Department of Physics Sri Ramakrishna Mission Vidyalaya College of Arts and Science Coimbatore India
2. Research Division of Plasma Processing (RDPP), Department of Physics Sri Shakthi Institute of Engineering and Technology Coimbatore India
3. PG and Research Department of Chemistry Sri Ramakrishna Mission Vidyalaya College of Arts and Science Coimbatore India
4. Department of Nanoscience and Technology Sri Ramakrishna Engineering College Coimbatore India
5. Department of Physics Pondicherry University Puducherry India
6. Department of Physics Institute of Chemical Technology Mumbai India