Short answers, pulled from the story.
The Indian independence movement was a series of political efforts from the mid-1880s to 1947 across the Indian subcontinent aimed at ending British colonial rule. It culminated in the Indian Independence Act 1947, which partitioned British India into the Dominion of India and the Dominion of Pakistan.
The Indian independence movement ran from the mid-1880s to 1947. Its first nationalistic body, the Indian National Congress, was formed in 1885, and the struggle ended with the transfer of power in 1947.
On the 13th of April 1919, Brigadier-General Reginald Dyer blocked the only entrance to the walled Jallianwala Bagh courtyard in Amritsar and ordered troops to fire 1,651 rounds into a crowd of about 15,000 people. An official British commission counted 379 dead and 1,137 wounded, while Indian estimates of the dead ran as high as 1,499.
Mahatma Gandhi led the movement in the 1920s with non-violence and civil disobedience, followed by leaders such as Jawaharlal Nehru, Vallabhbhai Patel, Abdul Ghaffar Khan, and Maulana Azad. Earlier figures included Dadabhai Naoroji, Bal Gangadhar Tilak, and Gopal Krishna Gokhale, while Muhammad Ali Jinnah led the All-India Muslim League.
Mahatma Gandhi returned to India on the 9th of January 1915 and led the Non-Cooperation Movement from 1920 to 1922 and the Quit India Movement beginning on the 8th of August 1942. He centered the struggle on satyagraha, non-violence, and civil disobedience, including boycotting British goods in favor of khadi.
The Rebellion of 1857 was a large uprising in northern and central India that the British eventually crushed, retaking Delhi on the 20th of September 1857. Under the Government of India Act 1858, the East India Company's territory was transferred to the British government, with a Secretary of State for India and a Viceroy answerable to him.
Major campaigns included the protests against the Partition of Bengal in 1905, the Non-Cooperation Movement of 1920 to 1922, the Civil Disobedience Movement of 1929 to 1931, and the Quit India Movement of 1942. Each escalated demands from reform to an outright end of British colonial presence.