Molecular recognition: Protein-protein, Protein-Nucleic acid and Protein-ligand interactions. Studies on multi-component protein assemblies and protein interactions network. Evolutionary study of protein structures, functions, and protein-protein interactions. Development of protein-protein, protein-RNA docking algorithm and prediction of binding site. Development of protein-protein and protein-nucleic acids interaction database server and bioinformatics web service. Understanding protein and RNA folding phenomenon and development of computational method for structure prediction. Dynamics of protein-RNA interactions and prediction of RNA binding site in proteins. Study of miRNAs and development of algorithms for miRNA and traget prediction.