Development of new synthetic strategies, C–H activations and methodologies en route to the natural products.Asymmetric metal and organocatalysis Organic materials chemistry, organic photochemistry.Mechanistic organic chemistry and supramolecular chemistry. Photochemistry & photophysicsLight-matter interactions at nanoscale Activation and Functionalization of Small Molecules by Main GroupElement Compounds.Main Group Element Compounds as Precursors for Materials. Highly Planar pi-conjugated Macrocycles and Fused PorphyrinoidsFunctional Near-IR Absorbing Chromophores for Solar Energy Harvesting and Design of New Hole Transporting Materials for Solar Cells Development of methodology and Natural Product SynthesisSupramolecular Chemistry: gels, topochemical reactions, weak interactionsIntervention in cell signaling through Chemical Biology. Biophysical Chemistry and Photophysics of BiomoleculesArtificial Photosynthesis/Femtosecond Spectroscopy Asymmetric catalysis.Cross-Coupling Reactions. Design and synthesis of DNA based nanostructures using the design principles of supramolecular chemistry to address the challenges in biology, nanotechnology and material science. structure-property correlation of quantum-sized metal nanoclusters, Cluster-assemblies and inorganic-organic hybrid structures for the possible application in magnetism, luminescence, optical and heterogeneous catalysis. Theoretical Chemistry, Quantum Chemistry and Theoretical Spectroscopy Luminescence in metal organic frameworks and nano compositesElectrochemical energy and porous materials for gas seperation Ultrafast Intersystem Crossing in Organic MoleculesEExcited State Electron and Proton Transfer Reactions of Biomolecules NMR Structural studies of small molecules and Bio-moleculesStructure determination of membrane proteins Natural product and total synthesis. Insights into the life processes involving transition metalsOrganometallic chemistry of first-row transition metalsChemical conversions for sustainable energy utilizations Developing non-platinum group metal-based electro-catalysts for the cathodic reduction of oxygen in low temperature fuel cells.Kinetic and mechanistic analysis of the oxygen reduction reaction on non-platinum group metal containing carbon catalysts.