India, Aug. 22 -- The Delhi government has completed a virtual demarcation of Yamuna floodplains that have a 4% chance of flooding every year (one-in-25-year floodplains) and 1% chance of flooding every year (one-in-100-year floodplains). The government will start physically demarcating this area from September 1 onwards, Delhi's environment department has said. It told the National Green Tribunal (NGT) that the Delhi Development Authority (DDA) has called for a tender to erect bollards and signages from September 1 which will also help in identifying encroachments in the floodplains.

NGT had in October 2024 taken suo motu cognizance of a media report and formed a joint committee headed by the Delhi chief secretary to identify, demarcate...