<P> The Indian Armed Forces, India's main defence organisation, consists of two main branches: the core Military of India and the Indian Paramilitary Forces . The Military of India maintains the third largest active duty force in the world after China and the United States, while the Indian Paramilitary Forces, over a million strong, is the second largest paramilitary force in the world . Combined, the total armed forces of India are 2,414,700 strong, the world's third largest defence force . </P> <P> The Army of India, as the Indian army was called under British rule before 1947, played a crucial role in checking the advance of Imperial Japan into South Asia during World War II . It also played a leading role in the liberation of Bangladesh in 1971 . Today, the Indian Army is the world's third largest army after United States Army and Chinese People's Liberation Army . </P> <P> The Indian Air Force is the fourth largest air force in the world . India recently inducted its second indigenously manufactured combat aircraft . India is also developing the fifth generation stealth aircraft . </P> <P> The Indian Navy is the world's fifth largest navy . It is considered to have blue - water capabilities with sophisticated missile - capable warships, aircraft carrier, minesweepers, advanced submarines and the latest aircraft in its inventory, along with a significant use of state of the art technology that is indigenously manufactured . It operates two aircraft carriers and also plans to induct the INS Vikrant by 2018 followed by a larger INS Vishal . </P>

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