1. Department of Chemistry
2. Mahila Mahavidylay
3. Banaras Hindu University
4. Varanasi 221 005
5. India
6. CNRS: LCC (Laboratoire de Chimie de Coordination)
7. F-31077 Toulouse
8. France
9. Université de Toulouse
10. UPS
11. School of Chemistry
12. University of Hyderabad
13. Hyderabad 500 046