Kalyan, May 2 -- A group of 50 volunteers from Ulhasnagar on Wednesday cleared weeds along a one-kilometre stretch of the Ulhas river near Mohane pumping station, in Kalyan. Residents of Kalyan (East) complained that the Kalyan Dombivli Municipal Corporation (KDMC) has been supplying contaminated water for the past two weeks, but hasn't cleared the weeds causing the contamination. The KDMC has said it has hired a machine to clear the weeds....