1. Medicinal & Process Chemistry Division CSIR-Central Drug Research Institute Sector 10, Jankipuram Extension Sitapur Road Lucknow 226031 India
2. Academy of Scientific and Innovative Research New Delhi 110001 India
3. Present Address: Department of Chemistry Gaya College Gaya Bihar 823001 India
4. Present Address: Kolhan University Chaibasa Jharkhand 833201 India