1.Organic Synthesis of Biomolecules: Pteridines, Pyrimidines, Purines and Heterocycles.
2.Organic Synthesis of Nucleosides and attempts to synthesis of Nucleotides.
3.1,3-Dipolar Cycloaddition Reactions of Heterocycles.
4.Physicalorganic Studies on organic reactions, mechanisms, tautomerism and kinetics.