NOIDA, May 13 -- Under pressure to act on toxic pollution in the Hindon river and its tributaries, the Uttar Pradesh government has sought more time from the National Green Tribunal (NGT) to file a revised affidavit-despite being pulled up by the tribunal earlier this year for key gaps in its submissions.

The tribunal has now adjourned the matter, originally sparked by a 2022 petition over untreated sewage and industrial waste contaminating the river system.

In the previous hearing in February 2025, the NGT had directed the state's chief secretary to file a fresh affidavit addressing lapses in the earlier submission. The affidavit had lacked crucial data on the functioning of sewage treatment plants (STPs), construction and demolition (...