India's New 500 MW Sodium-Cooled Nuclear Reactor Achieves Criticality

India's 500 MW sodium-cooled reactor in Kalpakkam achieved criticality in April 2026, marking a significant milestone for the country's nuclear program. The project began construction in 2004 with original completion planned for 2010. This nuclear advancement could strengthen India's energy independence and economic growth prospects, potentially supporting the Indian rupee. The development signals India's progress in clean energy infrastructure, which may attract foreign investment flows.