1. Department of Chemistry; Rajiv Gandhi University of Knowledge Technologies; Srikakulam- 532402, Andhrapradesh India
2. School of Chemical Sciences; Central University of Gujarat, Gandhinagar; Guj- 382030 India
3. GITAM; Visakhapatnam-530045, AP India
4. Department of P. G. Chemistry; MAHARAJAS College (Autonomus); Vizianagaram- 535002, Andhrapradesh India