1. Department of Chemistry
2. Institute of Science
3. Banaras Hindu University
4. Varanasi-221005
5. India
6. Guru Nanak Dev University
7. Amritsar-143005
8. Institute of Inorganic Chemistry
9. University of Göttingen
10. Göttingen
11. Germany
12. University of Reading
13. Whiteknights
14. UK