Far away from the world of doctors, engineers, management gurus, there lies a world of engine oil, brakes, gear; not in a shiny automobile showrooms but in a dirty, clumsy mechanic's shop in a chaotic Old Delhi's narrow gali. Colorblind wants to extend a special thanks to Bobbee Singh (aka Bullet Raja), who introduced us to this world. So here's presenting a tribute to these maestros whose oil coated blackend hands carved the Bullet beauty for many of us Bullet Lovers. Watch the documentary Old Delhi Motorcycles on September 3 at 9 PM (IST), only on NDTV Prime.