The Kerala Pollution Control Board, in a 10 page order issued today, notes that the company has yet to explain the large amounts of cadmium in its sludge, which is contaminating the groundwater, making it unfit for human consumption...In a related development, the Vigilance and Anti-Corruption Bureau in Kerala raided the residences of Pollution Control Board member-secretary K.V. Indulal...The...Bureau is investigating Mr. Indulal for accepting bribes while he was a member of the Pollution Control Board.