India, June 15 -- The Delhi Jal Board (DJB) has initiated the project for improvement of environmental flow in the most polluted stretch of Yamuna downstream of Wazirabad through addition of 318 million liters of highly treated wastewater near Sur Ghat under an over Rs.500-crore project.

Under the plan approved by the National Mission for Clean Ganga (NMCG), DJB on Saturday invited bids for setting up concrete conveyance channels, three large pumping stations, truss bridges, and centrally located supervisory control and data acquisition (SCADA) system. It will also involve trapping of 30MGD (million gallons per day) sewage from Jahangirpuri drain which currently ends up in Yamuna.

DJB officials said that construction work is likely to t...