From Tunguska to S‑400, New Delhi is strengthening its layered shield as recent wars show it can shape outcomes India’s Ministry of Defense last week signed a contract worth 4.5 billion Indian rupees ($46 million) with Russia’s state-owned Rosoboronexport for the procurement of the Tunguska air defense missile system for the Indian Army. These cutting-edge missiles will enhance India’s multi-layered air defense capabilities against aerial threats including aircraft drones and cruise missiles.