On March 12, 1930, Gandhiji lead a 241 miles march from Sabarmati to the coastal town of Dandi to defy British policy by making salt from seawater. Hence, Statement 1 is correct.
Civil disobedience broke out all over India as a result of this act.
Gandhiji was arrested on May 5 as a result of defying the British policy of Salt making.
Gandhiji was released from prison in January 1931.
He agreed to call off the satyagraha in exchange for an equal negotiating role at a London conference on India’s future. Hence, Statement 3 is correct.
In August 1931, Gandhiji traveled to the conference as the sole representative of the nationalist Indian National Congress.
The meeting was a disappointment, but British leaders had acknowledged him as a force they could not suppress or ignore.
Salt was chosen to symbolize the start of the civil disobedience movement because salt was deemed as something on which each Indian had the basic right.
As a consequence of the No Tax Campaign, payment of chowkidari tax was refused. Hence, Statement 2 is correct.
Under Chowkidari Act 1856, police as allowed to collect tax from the peasants and provide funds to keep chowkidar in the villages.