1. Department of Chemistry, FMKMC College, Constituent College of Mangalore University, Madikeri, Karnataka, India
2. Department of Chemistry, Sri Mahadeshwara Goverment First Grade College, Kollegal, 571440, Karnataka, Chamarajanagar, India
3. Department of Physics, Sri Adichunchanagiri First Grade College, Channarayapatna, Karnataka 573116, India