1. Department of Chemistry; National Institute of Technology; Raipur C. G-492010 India
2. Department of Research and Development; MSN R&D Center; Pashamylarram Medak 502307 Telangana State India
3. Biology Division; Indian Institute of Chemical Technology; Hyderabad 500007 Telangana State India
4. Nizam College, Department of Chemistry; Osmania University; Hyderabad 500001 India