On the congested road outside Kolay Market- Calcutta's largest wholesale vegetable market, one often comes across group of well built men in colourful turbans. Wrestling bundles weighing hundreds of kilograms onto the turban-wrapped heads of fellow workers, they deliver bushels of veggies from the trucks and carts outside to the wholesalers. Life for these human forklifts is tough. The market remains open 24X7. Working in shifts of 12 hours or more they earn around $8 a day. Most of these migrant workers come from villages in Bihar. They start working young. By the time they reach 40, many are forced to retire due to degenerative diseases caused by the weight of the loads they carry.