The correct answer is Bardoli Satyagraha. Bardoli SatyagrahaIt was started in 1928 in the state of Gujarat during the period of British Raj led by Sardar Vallabh Bhai Patel. The movement was started to reduce the taxes for the year in face of the calamities, Patel then instructed all the farmers of Bardoli taluka to refuse payment of their taxes. A meeting of representatives of 60 villages at Bamni in the Kadod division invited Sardar Patel to lead the campaign. The local leaders also contacted Gandhiji and after having assured him to observe non-violence seriously launched the movement. Sardar Vallabh Bhai PatelHe is also known as the "Iron Man" of India. Bardoli Satyagraha (1928) was successfully led by Sardar Vallabhbhai Patel. Its success established Sardar Patel as a national leader. His birthday 31 October is celebrated as Rashtriya Ekta Divas as he played a crucial role in the integration of princely states into India. He was the first Home Minister of India.