Research & Areas of Interests/Specialization : Laser and Spectroscopy; Molecular interaction; Hydrogen bonding; Phase transition in liquid crystal and solids; Raman spectroscopy; Surface Enhanced Raman Spectroscopy; UV-Resonance Raman Spectroscopy; Raman Imaging; Bio-molecular Sensing; Spectroscopy of Nano-structured Materials and Carbonaceous Materials (Graphene, CNTs, Quantum Dots. etc.); Ab-initio and DFT Calculation.