Punjab’s coal mining industry relies on child labourers and donkeys, where a team of four workers can dig about a tonne of coal a day for which they earn around $10 to be split between them.
Updated: July 31, 2014, 12:00 AM
Punjab’s coal mining industry relies on child labourers and donkeys, where a team of four workers can dig about a tonne of coal a day for which they earn around $10 to be split between them.