Enviro Infra Engineers Limited is engaged in the business of designing, construction, operation and maintenance of water and wastewater treatment plants (WWTPs) and water supply scheme projects (WSSPs) for government authorities/bodies. WWTPs include sewage treatment plants (STPs), sewerage schemes (SS) and common effluent treatment plants (CETPs), while WSSPs include water treatment plants (WTPs) along with pumping stations and laying of pipelines for the supply of water. The treatment process installed at most of the STPs and CETPs is zero liquid discharge compliant, and the treated water can be used for horticulture, washing, refrigeration and other process industries. Its segments include EPC & O&M (water and waste water treatment) and Renewable Energy. Its renewable business comprises generation and sale of electricity from renewable energy sources. Its EPC & O&M business comprises engineering, procurement, construction, and operation and maintenance activities related to WWTPs.