1. Department of Chemistry, School of Chemical Science and Technology Dr. Harisingh Gour Vishwavidyalaya (A Central University) Sagar MP, 470003 India
2. Department of Microbiology CSIR-Central Drug Research Institute Sitapur Road, Jankipuram Extension Lucknow India
3. Current address: Colorado State University USA
4. AcSIR: Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India