India debates ditching 2035 coal expansion deadline to build until 2047. Coal capacity could hit 420 GW, nearly double current levels. That's an 87% jump from 2025 projections. Coal provides 60% of India's electricity. New coal installs hit 4 GW in 2024, highest since 2019. India plans 90 GW more coal by 2032 for surging demand. Coal ensures baseload power against heatwave blackouts. Renewables boom fails to replace coal reliance. NITI Aayog adviser says coal stays key for two decades. Authorities push sustainable coal use like carbon capture.