India, Dec. 3 -- To avoid any adverse impact on the tunnels of the underground Mumbai Metro Line-3 (Aqua Line), which spans 33 km from Cuffe Parade to Aarey Colony, the Mumbai Metro Rail Corporation (MMRC) has urged all landlords and housing societies within a 50-metre influence zone on either side of the alignment to seek its approval before undertaking redevelopment, construction, demolition, excavation, or related activities.

In a public notice issued on November 30, 2025, the MMRC directed all such structures within this zone to obtain clearance from the Director (Planning and Real Estate), MMRC.

According to the public notice, MMRC has stated that redevelopment and development projects near Metro structures must implement special s...