Safety is a particularly significant concern with the use of two-wheelers. Data from 2012 showed that two-wheeler riders account for the largest share of road fatalities (23%) and India records the maximum number of deaths from motorized two-wheeler accidents in the world. In Pune, 50% of traffic accident fatalities in 2010-11 were two-wheeler riders, only 1% of whom were wearing a helmet. For a variety of reasons, Indian states have not notified the helmet law, and when introduced, it is…