The Indian Army’s Air Defence system is a crucial component of the country’s national security apparatus. Here are some points that highlight its importance:

• It provides protection against hostile aerial attacks from enemy aircraft, drones, and missiles.
• The Army’s Air Defence forces can shoot down enemy aircraft and missiles before they reach their targets on the ground, thus neutralizing the threat before any damage is done.
• The Air Defence system also plays a critical role in safeguarding India’s key installations and cities, such as strategic air bases, nuclear installations, and sensitive research and development facilities.
• The system uses advanced radar, sensor and communication equipment to detect and track hostile targets well before they enter India’s airspace, allowing for timely response and interception.
• The Army’s Air Defence also functions in coordination with the Indian Air Force (IAF) to ensure effective air defence cover across the country.
• Overall, the Indian Army’s Air Defence system plays a vital role in securing India's borders and enhancing the country's defence capabilities in times of war and peace, making it a crucial pillar of national security.

In conclusion, the Indian Army’s Air Defence system provides a critical layer of protection against hostile aerial attacks and is an essential component of the country's overall national security framework.