India, March 29 -- India made history as millions across the country united for the 20th anniversary of Earth Hour, participating in one of the largest coordinated switch-offs ever witnessed. From 8:30 PM to 9:30 PM on March 28, 2026, iconic monuments, heritage sites, and government buildings across the nation turned off their lights in a powerful collective statement for climate action and sustainability. The nationwide observance reflected unprecedented participation, with all monuments protected by the Archaeological Survey of India going dark simultaneously, reinforcing the scale and unity of the initiative. In Mumbai, prominent landmarks including the Gateway of India, Chhatrapati Shivaji Maharaj Terminus, and the BMC Headquarters part...