1. Department of Chemistry, Organic Research Laboratory, Yeshwant Mahavidyalaya, Nanded-431602 (M.S), India
2. School of chemical sciences, Swami Ramanad Teerth Marathwada University, Vishnupuri, Nanded-05 (M.S), India
3. Gopikishan Sitaram Gawande Science College, Umarkhed. (M.S), India