Project Kusha explained: Why India’s 'own S-400' is not designed to stop ballistic missiles

India’s maiden test of the Kusha Surface-to-Air Missile marks a decisive step in building a layered air defence shield under Mission Sudarshan Chakra. Designed in three variants—M1 (150 km), M2 (250 km) and M3 (350 km)—the system aims to…