
Mumbai Rolls Out Rs 2,000-Crore Mega Plan To Clean Mithi River With Deep Sewage Tunnel And Tidal Reforms
December 20, 2025: Mumbai has unveiled its most ambitious and costly initiative yet to revive the polluted Mithi River, centred on a deep underground sewage diversion tunnel and a comprehensive overhaul of the river’s tidal stretch. According to The Times of India, the two projects together involve an investment exceeding











