1. a Department of Chemistry , Govt. V. Y. T. PG. Autonomous College , Durg (C.G.), India
2. b Department of Chemistry , Shri Shankaracharya Mahavidyalaya , Bhilai, India
3. c Department of Applied Chemistry , Shri Shankaracharya College of Engineering & Technology , Bhilai, India
4. d Department of Chemistry , Kalyan Mahavidyalaya , Bhilai Nagar, Bhilai, India
5. e Department of Applied Chemistry, Graduate School of Engineering , Osaka University , Suita, Osaka, Japan