Environmental Consultancy Service Environmental Clearance (EC) Consent to Establishment (CTE) or No-objection Certificate (NoC) from Pollution Control Board Consent to Operate (CTO)/Consolidated Consent for Authorisation (CC&A) Environmental Clearance Category (A) Project under EIA Notification Environmental Clearance Category (B1) Project under EIA Notification Environmental Clearance Category (B2) Project under EIA Notification Environmental Impact Assessment (EIA) Study for Environmental Clearance (EC) Sewage Treatment Plant (STP) Effluent Treatment Plant (ETP) Hazardous Waste Management System Non-Hazardous Waste Management System