India, Nov. 2 -- Pune Metropolitan Region Development Authority has proposed a Rs 500-crore project to curb sewage pollution across 107 km of the Mula-Mutha river network by August 2030.

A joint committee found high organic pollution and severely depleted dissolved oxygen levels in the Mula river, linked to untreated sewage discharge and fish deaths.

All seven sewage treatment plants along Ranchi's Harmu river were found damaged and non-functional during a July 2026 inspection.

NGT is examining allegations that construction activity altered a natural waterway in Talegaon Dabhade, Pune, causing ecological damage and increasing flood risks.

Pollution in the Mula-Mutha river

The Pune Metropolitan Region Development Authority (PMRDA) has...