India

The Indian subcontinent hosts one of the world's oldest continuous civilisations. The Indus Valley or Harappan culture flourished from roughly 2600 to 1900 BCE in the basins of the Indus and Saraswati rivers, with planned cities at Mohenjo-daro and Harappa, standardised weights, and an undeciphered script. Following its decline, the Vedic period (c. 1500 to 500 BCE) saw the composition of the Vedas and the gradual emergence of small kingdoms and oligarchic republics across the Indo-Gangetic plain, alongside the rise of Buddhism and Jainism in the sixth century BCE.

The Maurya Empire, founded by Chandragupta Maurya around 322 BCE and consolidated under Ashoka, unified most of the subcontinent and propagated Buddhism widely. After its fragmentation, the Gupta Empire (c. 320 to 550 CE) presided over a classical age of mathematics, astronomy, literature, and temple architecture. Regional powers followed, including the Chalukyas, Cholas, Pallavas, and Rashtrakutas in the south, while the Cholas extended maritime influence across Southeast Asia. From the late twelfth century, Turkic and Afghan incursions established the Delhi Sultanate, which ruled much of northern India until it was supplanted by the Mughal Empire founded by Babur in 1526. Under Akbar, Jahangir, Shah Jahan, and Aurangzeb, the Mughals built a vast bureaucratic state and a syncretic Indo-Persian high culture, even as Maratha, Sikh, and Rajput powers contested their reach.

European trading companies arrived from 1498 with the Portuguese, followed by the Dutch, French, and English. The British East India Company, after the Battle of Plassey in 1757, became the dominant power on the subcontinent. The Indian Rebellion of 1857 prompted the British Crown to assume direct rule the following year, inaugurating the British Raj. Under colonial administration, railways, English-language education, and a unified legal system were introduced alongside extractive economic policies and recurrent famines. The Indian National Congress, founded in 1885, and the All-India Muslim League, founded in 1906, became the principal vehicles for nationalist politics, with Mohandas Gandhi reshaping the independence movement around mass nonviolent civil disobedience.

Independence came on 15 August 1947, accompanied by the Partition of British India into the dominions of India and Pakistan, which triggered vast population transfers and communal violence. India adopted a republican constitution on 26 January 1950 under the drafting leadership of B. R. Ambedkar, with Jawaharlal Nehru as its first prime minister. The new state pursued parliamentary democracy, a planned mixed economy, and nonalignment in the Cold War. It fought wars with Pakistan in 1947 to 1948, 1965, 1971 (which led to the creation of Bangladesh), and 1999, and a border war with China in 1962. A constitutional Emergency was declared by Indira Gandhi from 1975 to 1977, after which competitive multiparty politics resumed.

Economic liberalisation initiated in 1991 under Prime Minister P. V. Narasimha Rao and Finance Minister Manmohan Singh accelerated growth, urbanisation, and integration into global markets. India conducted nuclear tests in 1974 and 1998 and is recognised as a nuclear-armed state outside the Non-Proliferation Treaty. Coalition governments dominated the 1990s and 2000s, succeeded from 2014 by majorities led by the Bharatiya Janata Party under Narendra Modi. India today is a federal parliamentary republic of twenty-eight states and eight union territories, with a bicameral legislature, an indirectly elected president as head of state, and a prime minister as head of government.