Thousands of bonded hands face hardships

Children of indebted laborers look to their parents' lives to rescue others caught in similar tough circumstances

They are not easy to spot. Working in vegetable patches and on millet fields in India's southern state of Karnataka, farm laborers caught in debt bondage suffer mainly in silence.

But Gopal V has lived with this silence for long enough. Now 44, the son of bonded laborers is on a mission to identify workers trapped in debt bondage - and to make sure they get justice.