During my MS (Physics) at UMASS, my concentration was towards applied physics. During MS I worked on vacuum chamber for preparing various samples at very low pressure around 10-10 torr and then investigated these samples for microscopy beyond diffraction limit, atomic force microscope (AFM). I have published two papers on it. During my PhD from Jacobs University Bremen (Germany), I worked on femtosecond time-resolved spectroscopy (Nonlinear techniques including Pump probe, SHG and CARS) in combination with SNOM (Scanning near field microscopy), useful techniques for studying the dynamics of materials that take place in Pico and femtosecond time scale. A brief discussion of my work is discussed in below few sentences. In my research work we used the femtosecond time-resolved pump probe and CARS spectroscopy techniques that are well known and applied on a large scale in order to study the dynamics of molecules of interest in all major areas of science. The optical near field techniques are capable of generating images below diffraction limit. The combination of these techniques opens a new stream of multidimensional imaging technique where, one could record nanoscale images non-invasively along with chemical specificity and probe locally the temporal behaviour of the system under investigation. In our Lab we used the pump-probe SNOM technique for sub- wavelength resolution of chemical imaging and ultrafast local dynamics of thin films of organic semiconductor 3, 4, 9, 10 perylene tetra carboxylic dianhydride (PTCDA). The nearfield techniques are however very challenging where the exciton dynamics of 160 nm PTCDA composed of nano-crystals on glass is locally probed with a 100 nm SNOM tip. The transient absorption of the probe serves as the contrast mechanism in the SNOM images. As Photo-induced exciton dynamics are expected to be changed in a semiconductor in the proximity of a metal layer. The length scale of such interface induced modification is in the nano-range and is defined by the exciton diffusion length. Up to now, a highly localized access has not been demonstrated and diffraction-limited micro spectroscopy did not detect a difference in the dynamics of interface and bulk. In our work, we have combined scanning near-field optical microscopy (SNOM) with tip enhancement from a metalized tip in order to improve the axial resolution to a range, which enabled us to study the interfacial dynamics of an Au-P3HT system. Femtosecond time-resolved transient absorption spectroscopy now yields the early exciton dynamics in P3HT. We demonstrate that the exciton relaxation is significantly faster at the Au-P3HT interface than in neat P3HT. Currently I am working on nanomaterial’s for various applications like energy storage applications and photocatalysis. For characterization we have collaboration in different research labs locally and internationally where, XRD, SEM, PL, FTIR, Raman spectroscopy, Electrochemical and dielectric properties can be used for sample investigation.