India, Feb. 5 -- More than two years after the National Green Tribunal (NGT) barred the discharge of treated or untreated sewage into natural drains and canals, the Noida Authority has told the Supreme Court that interception and treatment of several polluting drains in the city will take until 2027-28.

In a civil appeal against the NGT order filed before the apex court on February 2, the authority said while progress has been made in diverting sewage from some drains into sewage treatment plants (STPs), several medium and major drains discharging into the Kondli irrigation canal are still awaiting interception, with different timelines for completion over the next three years.

The NGT, in an order dated August 3, 2022, had imposed blan...