Mumbai has 2,057 IGBC-registered green projects, including 920 commercial and 847 residential developments, while Maharashtra leads states with 4,754 projects. Mumbai added 319 projects since last year. IGBC will host its 24th Green Building Congress from November 26–28 at Jio World Convention Centre. Mumbai, November 12, 2026: Mumbai and Maharashtra continue to top the list of cities and states across the country in terms of projects registered under the Indian Green Building.