Gurugram, Jan. 9 -- With all four of its sewage treatment plants (STPs) lying defunct, Faridabad continues to be among Haryana's largest polluters of the Yamuna, discharging close to 210 million litres per day (MLD) of untreated sewage into the river. Gurugram, the second major polluter, discharges about 60MLD of untreated sewage into the Yamuna, while another 240MLD is partially treated), as per a 2019 report prepared by an NGT-appointed monitoring committee....