Missile defence systems are becoming critical for national security in the face of evolving regional threats and advanced weapon technologies. Explain the working principle of missile defence systems. Critically assess India's progress in developing indigenous missile defence capabilities.

Recently, operationally guided highlighted importance of missile defence systems to strengthen military capability and hard power on battlefield, it acts as strategic weapon against enemy. Working principle of missile defence system: • Ballistic missile – based on quantity principle - Cruise missile – target - use fire and forget principle - Bofnde – target centre attack - Help in self restricting attack * Befact – Destroy principle air anti-missile defence systems.