Rabindranath Tagore was an Indian polymath ‚¬€œ poet, writer, playwright, composer, philosopher, social reformer, and painter. He reshaped Bengali literature and music, as well as Indian art with Contextual Modernism in the late 19th and early 20th centuries. Rabindranath Tagore returned the award because:Rabindranath Tagore received the news of the Massacre on 22 May 1919. Jallianwala bagh massacre-mass killing of people in Punjab forced people like Tagore to react and restricted them to enjoy the titles awarded by brutal repressive power. Response of the government to the killing-The inactivity of the government to punish the culprit also shown the very intentions of Britishers. To ignite Indians-Tagore considered returning awards as means not to protest Britishers but also to awaken country people against this brutal incident. This Incident made Tagore return the award. Hence, the correct answer is Jallianwala Bagh atrocities. Additional InformationSalt Satyagraha:The Salt March, also known as the Salt Satyagraha, Dandi March, and the Dandi Satyagraha, was an act of nonviolent civil disobedience in colonial India led by Mahatma Gandhi. The twenty-five-day march lasted from 12 March 1930 to 6 April 1930 as a direct action campaign of tax resistance and nonviolent protest against the British salt monopoly. Rowlatt Act:The Anarchical and Revolutionary Crimes Act of 1919, popularly known as the Rowlatt Act, was a legislative council act passed by the Imperial Legislative Council in Delhi on 18 March 1919. This act brought Gandhi to the mainstream of the Indian struggle for independence and ushered in the Gandhian Era of Indian politics. Quit India Movement:The Quit India Movement is also known as the August Movement. It was a movement launched at the Bombay session of the All-India Congress Committee by Mahatma Gandhi on 9 August 1942, during World War II.