By Tom Heap BBC News, Bangalore
The global building boom and the fashion for smart interiors has created huge demand for natural stone.
Highly-polished kitchen worktops and gleaming stone cladding in the washroom were once the preserve of the very rich, but now, thanks to the exploitation of new sources, the price is plummeting.
In the UK, natural stone has been vigorously endorsed on gardening and interior design television programmes, the resulting appetite increasing granite imports from India to Britain eight-fold in the past five years.
Poor safety and many quarry workers are children
Our investigations into how the stone was being produced focused on Bangalore ....full text