'World's first...': Nitin Gadkari reviews Mumbai-Delhi expressway progress

Union minister for road transport and highways, Nitin Gadkari, concluded a 2-day aerial survey of a mammoth project - an expressway connecting India's political capital with the financial one. The BJP leader called it the world's first such expressway which would cut travel time between Delhi and Mumbai from 48 hours to 12 hours. He added that it would also help save 'crores of litres' of petrol and diesel. Watch the full video for more.