Excited State Dynamic of Fluorogenic Molecules.- Sum Frequency Generation Vibrational Spectroscopy: A Nonlinear Optical Tool to Probe the Polymer Interfaces.- Towards Fluorogenic and Chromogenic Sensing of Heavy Metal Ions in Aqueous Medium: A Mini-Review.- Quantum Cascade Laser Spectroscopy for Atmospheric Sensing and Biomedical Diagnostics.- Optical Signal Enhancement in LIBS Using Aluminum Nanoparticles on Brass Sample.- Spectroscopic Characterization of Metal-Polymer Interface for Electronic Applications.- Graphene, Its Analogues and Modern Science.- Study of Limonene Loaded Zein Nanoparticles for Sustainable Agriculture.- Effect of Magnetic Ordering on Phonon Raman Spectra in Magnetic Systems.- Strain Induced Changes in Vibrational Properties of Arsenene and Antimonene Monolayer.- Trapping Melamine with Pristine and Functionalized Graphene Quantum Dots: DFT and SERS Studies.