1. Department of Pharmaceutical Chemistry Columbia College of Pharmacy Raipur, Chhattisgarh 493111 India
2. Department of Pharmacology Sanjivani Institute of Pharmacy Bilaspur, Chhattisgarh 497101 India
3. Department of Pharmaceutical Quality Assurance Columbia Institute of Pharmacy Raipur, Chhattisgarh 493111 India
4. Department of Pharmaceutical Chemistry Guru Ghasidas Vishwavidyalaya Bilaspur, Chhattisgarh 495009 India