I am Professor at the Department of Physics and Astrophysics, University of Delhi, North Campus, Delhi. My PhD degree is from the Physics Department at Purdue University, Indiana, USA. My research is in the area of theoretical physics. In the past I have worked in quantum field theory, statistical mechanics of superstrings and random matrix theory. Currently I am working on application of ideas from field theory, statistical mechanics, random matrix theory and data science to quantum chaos, condensed matter physics and complex systems like financial markets and proteins.