Dr. M. Balakrishnan is a Professor in the Department of Computer Science & Engineering at I.I.T. Delhi. For the last 22 years, he is involved in teaching and research in the areas of digital systems design, electronic design automation and embedded systems. More recently the focus of his work has been in development of affordable assistive devices for visually impaired. He is involved in a number of projects that can enhance safe mobility as well as assist in education.