1. Department of Chemistry Kaliachak College Sultanganj, Malda 732201- West Bengal India
2. Department of Chemistry Balurghat College Dakshin Dinajpur 733101- West Bengal India
3. Organic Chemistry University of Duisburg-Essen 45117 Essen Germany
4. Molecular Biology University of Duisburg-Essen 45117 Essen Germany
5. Molecular and Cellular Oncology ENT Department University Mainz Medical Center 55131 Mainz Germany