Answer : 3. "सरदार वल्लभ भाई पटेल "
Explanation :

The leader of the Bardoli Satyagraha was Sardar Vallabhbhai Patel. Bardoli Satyagraha was a successful non-violent protest against the high land revenue imposed by the British in the Bardoli taluka of Gujarat, India. Sardar Patel played a crucial role in organizing and leading the movement, which eventually led to the withdrawal of the proposed tax hike.