The National Sample Survey Organization (NSSO) Report, 2002 estimates the number of disabled people in the country to be 18.5 million, of which over 10 million have locomotor disabilities. Developing assistive devices for people with locomotor impairments is a key focus area of R2D2 in the Machine Design Section in the Department of Mechanical Engineering at IIT Madras. The goal is to engineer and develop indigenous solutions that are functional and affordable.