1. Department of Chemistry
2. P. K. College
3. Purba Medinipur
4. India
5. Chemical División
6. Geological Survey of India
7. Hyderabad-500068
8. Universitat de les Illes Balears
9. 07122 Palma de Mallorca (Baleares)
10. Spain
11. Mugberia Gangadhar Mahavidyalaya
12. Department of Physics