1. Department of Physics, Vaigai Arts and Science Women College, Salem, India
2. Department of Physics, Selvamm Arts and Science College, Namakkal, India
3. Department of Chemistry, Muthayammal Memorial College of Arts & Science, Rasipuram, India
4. Department of Physics, Muthayammal Memorial College of Arts & Science, Rasipuram, India
5. Department of Chemistry, Thiruvalluvar Government Arts College, Rasipuram, India
6. Researcher, Thushara, Kollam, India