1. Oxidation of triterpenoids: Part X–Oxidation of lupenyl acetate and methyl acetylbetulenate with selenium dioxide and hydrogen peroxide in t-butanol;Pradhan;Ind. J. Chem.,1991
2. Studies on oxidation of triterpenoids: Part XI–Oxygenation of friedelin in presence of potassium t-butoxide in t-butanol;Pradhan;Ind. J. Chem.,1991
3. Studies on reactions of 2- bromo 3- keto triterpenoids: Part IV–debromination and dehydrobromination of 2α-bromo and 2,2-dibromoderivatives of lupanone and methyl dihydrobetulonate;Pradhan;Ind. J. Chem.,1993
4. Studies on the action of N–bromo succinimide on 3-oximinolupanes in CHCl3–DMSO;Pradhan;Ind. J. Chem.,1993
5. Studies on reactions of 2-bromo-3-keto triterpenoids: Part IV–debromination and dehydrobromination of 2α-bromo and 2,2-dibromoderivatives of lupanone and methyl dihydrobetulonate;Pradhan;Ind. J. Chem.,1994