The correct answer is 1931.The Gandhi-Irwin pact was signed in 1931.The Gandhi-Irwin pact was signed between Mahatma Gandhi and the then Viceroy of India, Lord Irwin on March 5, 1931.The features of the Gandhi-Irwin pact:Congress would participate in the Second Round Table Conference.Congress would discontinue the Civil Disobedience Movement.The Government would withdraw all ordinances issued to curb Congress.The Government would withdraw all prosecutions relating to offenses other than violent ones.The Government would release all persons undergoing sentences of imprisonment for their activities in the civil disobedience movement.Additional InformationCivil Disobedience MovementThe Civil Disobedience Movement was started by Gandhi on 12th March 1930 with his famous Dandi March. Together with 78 chosen followers, Gandhi walked nearly 375 km from Sabarmati Ashram to Dandi, a village on the Gujarat sea coast.On the morning of 6th April 1930, Gandhiji broke the salt law by making salt. Thousands of people followed suit.This movement resulted in Gandhi-Irwin Pact on 5 March 1931.Indians were allowed to make salt for domestic use.Gandhiji attended the Second Round Table Conference in London as an equal.