1. Department of Physics, School of Engineering, Dayananda Sagar University, Bengaluru, India
2. Department of Chemistry, School of Engineering, Dayananda Sagar University, Bengaluru, India
3. Department of Chemistry, SVM Arts, Science & Commerce College, (affiliated to Rani Channamma University, Belagavi), Ilkal, India
4. Department of Chemistry, Faculty of Science, Taif University, Taif, Saudi Arabia