Nathu La and Cho La clashes in the context of "Indian Armed Forces"

The history of independent India or history of Republic of India began when the country became an independent sovereign state within the British Commonwealth on 15 August 1947. Direct administration by the British, which began in 1858, affected a political and economic unification of the subcontinent. When British rule came to an end in 1947, the subcontinent was partitioned along religious lines into two separate countries—India, with a majority of Hindus, and Pakistan, with a majority of Muslims. Concurrently the Muslim-majority northwest and east of British India was separated into the Dominion of Pakistan, by the Partition of India. The partition led to a population transfer of more than 10 million people between India and Pakistan and the death of about one million people. Indian National Congress leader Jawaharlal Nehru became the first Prime Minister of India, but the leader most associated with the independence struggle, Mahatma Gandhi, accepted no office. The constitution adopted in 1950 made India a democratic republic with Westminster style parliamentary system of government, both at federal and state level respectively. The democracy has been sustained since then. India's sustained democratic freedoms are unique among the world's newly independent states, despite its history being perforated by several crises and recent worries of democratic backsliding under the premiership of Narendra Modi.

The country has faced religious violence, corruption, poverty, unemployment, language conflicts, naxalism, terrorism, separatist insurgencies in North East India and gender-based violence. India has unresolved territorial disputes over Kashmir and Arunachal Pradesh with China which escalated into a war in 1962 and 1967, Kashmir with Pakistan which resulted in wars in 1947–1948, 1965, 1971 and 1999 and Kalapani with Nepal. India was neutral in the Cold War, and was a leader in the Non-Aligned Movement. However, it made a loose alliance with the Soviet Union from 1971, when Pakistan was allied with the United States and the People's Republic of China.

The Indian Armed Forces are the military forces of the Republic of India. It consists of three professional uniformed services: the Indian Army, the Indian Navy, and the Indian Air Force. Additionally, the Indian Armed Forces are supported by the Central Armed Police Forces, the Indian Coast Guard, and the Special Frontier Force and various inter-service commands and institutions such as the Strategic Forces Command, the Andaman and Nicobar Command, and the Integrated Defence Staff. The President of India is the Supreme Commander of the Indian Armed Forces but the executive authority and responsibility for national security is vested in the Prime Minister of India and their chosen Cabinet Ministers. The Indian Armed Forces are under the management of the Ministry of Defence of the Government of India. With strength of over 1.4 million active personnel, it is the world's second-largest military force and has the world's largest volunteer army. It also has the fifth-largest defence budget in the world.

The Indian Armed Forces have been engaged in a number of major military operations, including: the Indo-Pakistani wars of 1947, 1965, and 1971, the Portuguese-Indian War, the Sino-Indian War, the Indo-China War of 1967, the Kargil War, the Siachen conflict, and the 2025 India-Pakistan conflict among others. India honours its armed forces and military personnel annually on Armed Forces Flag Day, 7 December. Armed with the nuclear triad, the Indian Armed Forces are steadily undergoing modernisation, with investments in areas such as futuristic soldier systems and ballistic missile defence systems.

The predecessors to the contemporary Army of India were many: the sepoy regiments, native cavalry, irregular horse and Indian sapper and miner companies raised by the three British presidencies. The Army of India was raised under the British Raj in the 19th century by taking the erstwhile presidency armies, merging them, and bringing them under the Crown. The British Indian Army fought in both World Wars.

The armed forces succeeded the military of British India following India's independence in 1947. After World War II, many of the wartime troops were discharged and units disbanded. The reduced armed forces were partitioned between India and Pakistan. The Indian Armed Forces fought in all four wars against Pakistan, and two wars against People's Republic of China in 1962 and 1967. India also fought in the Kargil War with Pakistan in 1999, the highest altitude mountain warfare in history.

The history of independent India or history of Republic of India began when the country became an independent sovereign state within the British Commonwealth on 15 August 1947. Direct administration by the British, which began in 1858, affected a political and economic unification of the subcontinent. When British rule came to an end in 1947, the subcontinent was partitioned along religious lines into two separate countries—India, with a majority of Hindus, and Pakistan, with a majority of Muslims. Concurrently the Muslim-majority northwest and east of British India was separated into the Dominion of Pakistan, by the Partition of India. The partition led to a population transfer of more than 10 million people between India and Pakistan and the death of about one million people. Indian National Congress leader Jawaharlal Nehru became the first Prime Minister of India, but the leader most associated with the independence struggle, Mahatma Gandhi, accepted no office. The constitution adopted in 1950 made India a democratic republic with Westminster style parliamentary system of government, both at federal and state level respectively. The democracy has been sustained since then. India's sustained democratic freedoms are unique among the world's newly independent states, despite its history being perforated by several crises and recent worries of democratic backsliding under the premiership of Narendra Modi.

The country has faced religious violence, casteism, corruption, malnutrition, poverty, unemployment, language conflicts, naxalism, terrorism, separatist insurgencies in North East India and gender-based violence. India has unresolved territorial disputes over Kashmir and Arunachal Pradesh with China which escalated into a war in 1962 and 1967, Kashmir with Pakistan which resulted in wars in 1947–1948, 1965, 1971 and 1999 and Kalapani with Nepal. India was neutral in the Cold War, and was a leader in the Non-Aligned Movement. However, it made a loose alliance with the Soviet Union from 1971, when Pakistan was allied with the United States and the People's Republic of China.