1. Department of Chemistry, Sri Meenakshi Government Arts College for Women, Madurai, Tamil Nadu, India
2. Department of Chemistry, Erode Sengunthar Engineering College, Erode, Tamil Nadu, India
3. Department of Humanities and Science, Narsimha Reddy Engineering College (UGC Autonomous), Secunderabad, Telangana, India
4. Department of Physics, Saveetha Engineering College, Chennai, Tamil Nadu, India
5. Department of Chemistry, Annamalai University, Chidambaram, Tamil Nadu, India