The Union government has significant responsibilities in the realm of national security, including:

Command of the armed forces:
The Union government is responsible for the overall command and control of the Indian Armed Forces, which includes the Army, Navy, and Air Force.
The Ministry of Defence (MOD) is responsible for the formulation and implementation of defence policies, and for ensuring the operational readiness of the armed forces.
The MOD is also responsible for acquiring and inducting new military equipment, and for modernizing the armed forces.
Evaluation: The Union government’s command of the armed forces has been effective in maintaining national security, with India’s military being capable of responding to a range of threats. However, there have been concerns about corruption and inefficiencies in defence procurement.

Management of internal security:
The Union government is responsible for maintaining law and order within the country, including the management of internal security agencies such as the Central Reserve Police Force (CRPF), Border Security Force (BSF), and Indo-Tibetan Border Police (ITBP).
The Ministry of Home Affairs (MHA) is responsible for formulating policies on internal security, including counter-terrorism, border management, and law and order.
The MHA also coordinates with State governments to address internal security concerns.
Evaluation: The Union government’s management of internal security has been effective in addressing some internal security challenges, such as terrorism and insurgencies. However, there have been concerns about inadequate funding and resources for internal security agencies, as well as allegations of human rights abuses.

Coordination of disaster response and mitigation efforts:
The Union government is responsible for coordinating disaster response efforts through the National Disaster Management Authority (NDMA), which was established in 2006.
The NDMA works closely with State governments, other central ministries, and external agencies to respond to natural disasters such as earthquakes, floods, and cyclones.
The NDMA also develops plans and policies for disaster risk reduction and management.
Evaluation: The Union government’s coordination of disaster response efforts has been effective in responding to major disasters such as the 2004 tsunami and the 2013 Uttarakhand floods. However, there have been concerns about inadequate preparedness and slow response times to some disasters.

Additional responsibilities:

The Union government is also responsible for:
Foreign policy: The Ministry of External Affairs (MEA) is responsible for formulating India’s foreign policy, including relations with other countries, international organizations, and multilateral agreements.
National intelligence gathering: The Research and Analysis Wing (R&AW) is responsible for collecting intelligence on national security threats from outside India.
Border management: The Border Management Division within the MHA is responsible for managing India’s borders with neighboring countries.
Overall, the Union government plays a critical role in ensuring national security through its command of the armed forces, management of internal security, coordination of disaster response efforts, foreign policy formulation, national intelligence gathering, and border management. While there are areas for improvement, the government’s efforts have contributed to maintaining national security and stability.