(Bloomberg Businessweek) -- The sun was only barely up as the group of about 40 bikers roared away from Mumbai, bound for the foothills of the Western Ghats mountain range. On the multilane overpasses leading out of India’s business capital, most of the riders formed a convoy, while others, deputized to serve as “pilots,” ranged up and down the roadway to ward off interloping motorists. By the time the group hit the vast sprawl of fa...