Mandya:  Officials from Karnataka State Pollution Control Board (KSPCB) have stated that Shimsha river water, lifeline of Maddur, Malavalli and surrounding areas in Mandya district, was not fit  for drinking. The statement comes after a field test by KSPCB officials that revealed that the river was polluted by more than 80-lakh litres of potassium-laced poisonous…