<P> The Indian independence movement encompassed activities and ideas aiming to end the East India Company rule (1757--1857) and the British Indian Empire (1857--1947) in the Indian subcontinent . The movement spanned a total of 90 years (1857--1947). </P> <P> The very first organised militant movements were in Bengal, but they later took movement in the newly formed Indian National Congress with prominent moderate leaders seeking only their basic right to appear for Indian Civil Service (British India) examinations, as well as more rights, economic in nature, for the people of the soil . The early part of the 20th century saw a more radical approach towards political self - rule proposed by leaders such as the Lal, Bal, Pal and Aurobindo Ghosh, V.O. Chidambaram Pillai . The last stages of the self - rule struggle from the 1920s onwards saw Congress adopt Mohandas Karamchand Gandhi's policy of nonviolence and civil resistance, and several other campaigns . Nationalists like Subhash Chandra Bose, Bhagat Singh and Vinayak Damodar Savarkar preached armed revolution to achieve self - rule . Poets and writers such as Rabindranath Tagore, Subramania Bharati, Muhammad Iqbal, Josh Malihabadi, Mohammad Ali Jouhar, Bankim Chandra Chattopadhyay and Kazi Nazrul Islam used literature, poetry and speech as a tool for political awareness . Feminists such as Sarojini Naidu and Begum Rokeya promoted the emancipation of Indian women and their participation in national politics . B.R. Ambedkar championed the cause of the disadvantaged sections of Indian society within the larger self - rule movement . The period of the Second World War saw the peak of the campaigns by the Quit India Movement led by Congress, and the Indian National Army movement led by Netaji Subhas Chandra Bose . </P> <P> The Indian self - rule movement was a mass - based movement that encompassed various sections of society . It also underwent a process of constant ideological evolution . Although the basic ideology of the movement was anti-colonial, it was supported by a vision of independent capitalist economic development coupled with a secular, democratic, republican, and civil - libertarian political structure . After the 1930s, the movement took on a strong socialist orientation, owing to the influence of Bhagat Singh's demand of Purn Swaraj (Complete Self - Rule). The work of these various movements led ultimately to the Indian Independence Act 1947, which ended the suzerainty in India and the creation of Pakistan . India remained a Dominion of the Crown until 26 January 1950, when the Constitution of India came into force, establishing the Republic of India; Pakistan was a dominion until 1956, when it adopted its first republican constitution . In 1971, East Pakistan declared independence as the People's Republic of Bangladesh . </P> <P> European traders first reached Indian shores with the arrival of the Portuguese explorer Vasco da Gama in 1498 at the port of Calicut, in search of the lucrative spice trade . Just over a century later, the Dutch and English established trading outposts on the subcontinent, with the first English trading post set up at Surat in 1613 . Over the course of the seventeenth and early eighteenth centuries, the British defeated the Portuguese and Dutch militarily, but remained in conflict with the French, who had by then sought to establish themselves in the subcontinent . The decline of the Mughal Empire in the first half of the eighteenth century provided the British with the opportunity to establish a firm foothold in Indian politics . After the Battle of Plassey in 1757, during which the East India Company's Indian army under Robert Clive defeated Siraj ud - Daulah, the Nawab of Bengal, the Company established itself as a major player in Indian affairs, and soon afterwards gained administrative rights over the regions of Bengal, Bihar and Midnapur part of Orissa, following the Battle of Buxar in 1764 . After the defeat of Tipu Sultan, most of South India came either under the Company's direct rule, or under its indirect political control as part a princely state in a subsidiary alliance . The Company subsequently gained control of regions ruled by the Maratha Empire, after defeating them in a series of wars . The Punjab was annexed in 1849, after the defeat of the Sikh armies in the First (1845--1846) and Second (1848--49) Anglo - Sikh Wars . </P>

When did india become independent from the british empire