About Our Coverage of GMADA Eco City-4 / Greater Mohali-New Chandigarh Urban Expansion

New Cities India tracks the development of GMADA Eco City-4 / Greater Mohali-New Chandigarh Urban Expansion — also known as Eco City-4, New Chandigarh Aerotropolis Expansion, Sector 87 Commercial City Mohali — Punjab has notified a new 526-acre Eco City-4 residential township in New Chandigarh (June 2, 2026) as part of a broader ~11,600-acre urban expansion plan covering seven new townships, seven new sectors, an Aerotropolis extension, and a new commercial city centre in Sector 87 modelled on Chandigarh' in Punjab being developed under GMADA (Greater Mohali Area Development Authority). This page explains how we research and report on it.

Everything published here about GMADA Eco City-4 / Greater Mohali-New Chandigarh Urban Expansion is drawn from official notifications, authority proceedings, and current news reporting available at the time of writing. Each page lists the specific sources it relies on. We distinguish clearly between what has been officially notified and what is announced, proposed, or still under discussion.

Details here change as the region develops: notified areas, rates, and timelines are all subject to revision. Take every number as a snapshot of its date, and check with GMADA (Greater Mohali Area Development Authority) before acting. Nothing on this site is investment advice.

If you spot something out of date, or have information about GMADA Eco City-4 / Greater Mohali-New Chandigarh Urban Expansion worth tracking, use the register-interest form on any page to reach us.