Field theoretical development: Critical phenomena, Nonlinear sigma model, Superstring and supersymmetric gauge theory, AdS /CFT and Black holes.

Condensed matter physics development: Electrons in Low Dimensions, Correlated Electronic Systems, Quantum Hall Effects, Superconductivity. Mesoscopic fluctuations, Nano devices.

Mathematical Physics: Random matrix theory, Topology of moduli space, Intersection numbers, Universalities for the space and time correlations, Distribution of zeros of Riemann Zeta function.

Biological studies: Statistics of DNA, RNA sequences, Protein foldings.

Measurement of biological cell and protein by scanning near field optical microscope (SNOM), from room temperature to liq. He temperature.