1. PG & Research Department of Physics, AVVM Sri Pushpam College, (Affiliated to Bharathidasan University, Tiruchirappalli), Thanjavur, India
2. PG & Research Department of Zoology and Biotechnology, AVVM Sri Pushpam College, (Affiliated to Bharathidasan University, Tiruchirappalli), Thanjavur, India
3. Department of Nanotechnology, Noorul Islam Centre for Higher Education, Kumaracoil, India
4. Department of Physics, Sree Sevugan Annamalai College, (Affiliated to Alagappa University, Karaikudi), Devakottai, India
5. Department of Physics, Tagore Government Arts and Science College, (Affiliated to Pondicherry University), Puducherry, India