India is one of the biggest military forces in the world. The Indian defence force is comprised of the Indian Army, the Indian Air Force, The Indian Navy, the Indian Coast Guard, and the Para-military forces. In total manpower, Indian military forces are ranked second in the World, and the active troops ranked third. The President of India is the Supreme Commander of the Armed forces, which are responsible to the Government of India, led by its Prime Minister.

The administration of the Defense forces is vested with the Ministry of Defence, under a minister of the Union Cabinet of Ministers. There are several institutions in India for the training of the soldiers of various ranks. There are military industrial complexes to manufacture armaments and vehicles, including the nuclear weapons, all of which are in the public sector.