Prior to this, he worked as an Assistant Professor in the same Department for four and a half years. Immediately before that he was a post-doctoral researcher in the Complex Systems Lagrange Lab, ISI Foundation, Italy. He received his PhD from the Department of Computer Science and Engineering, Indian Institute of Technology Kharagpur with a thesis on “self-organization of human speech sound inventories”. His main research interests are in applying complex system approaches (mainly complex networks and agent-based simulations) to different problems in Computer Science including