Non-Cooperation Movement (NCM) was the first movement launched by Gandhiji in 1920 British rule. It emerged as a powerful and fervent to a culmination of grievances and that had been building up among the populace. Rowlatt Act and the brutal Jaliawala Massacre were the immediate causes for the movement. at its special session of Calcutta in 1920, approved the Non-Cooperation which was later endorsed by the Nagpur of Congress in December 1920. The movement tremendous participation of masses throughout the Nagpur session made changes in the constitution the Congress. Provincial Congress Committees were reorganised on basis of linguistic areas. The Congress was now to be led by a Working of 15 members, including the president and secretaries. This would enable the Congress to as a continuous political organisation and provide it with the machinery for implementing resolutions. Congress membership was thrown open to all men women of the age of 21 or more o'n payment of 4 as annual subscription. In 1921 the age limit for was reduced to 18. programmes of the Non-Cooperation Movement unfolded in stages: Surrender of titles and honorary positions. Hence 3 is not correct. Resignation of membership from the local bodies. Boycott of foreign goods; Courts, Government and legal practise; government schools and and elections held in accordance with the of the 1919 Act; Hence option 1 is correct. Thousands of volunteers went from house to house, to persuade people of the importance of Swadeshi. The foreign-made clothing was and set ablaze. Boycott of legislative councils (There were differences boycott of councils). The boycott movement liquor and toddy shops National schools, colleges, and private panchayat were established. Kashi Vidyapeeth, Bihar and Jamia Millia Islamia were established. option 4 is correct. Popularising Swadeshi goods and Khadi. It Marked the first time the Indian National Congress directly to the masses, leading to a significant in membership. Maintenance of Hindu-Muslim unity and practice of nonviolence. Promotion of Charkha and Khadi and Jail Bharo by Congress volunteers. Tilak Swaraj Fund was announced by Gandhi, which at collecting Rs 1 crore to aid constructive work.