Counter affidavit by the Municipal Commissioner, Maraimalai Nagar Municipality, Chengalpattu, Tamil Nadu. The matter related to pollution of Guduvancheri lake. A newspaper report had said that sewage from households in Nadivaram - Guduvancheri town panchayats and Maraimaalai Nagar Municipality was being discharged in the lake, apart from effluents from private hospitals and clinics in that area.