Judgement of the National Green Tribunal (Eastern Zone Bench, Kolkata) in the matter of Nutfar Sardar Vs Govt. of West Bengal, service through Secretary, Department of Environment, Govt. of West Bengal dated 07/03/2016 regarding operation of a slaughter house near the Applicant's house located in a thickly populated area where at least 25-30 animals are killed regularly without any scientific management of sewerage system for discharge of animal blood including other slaughter house wastes like cow dung, stomachs etc.