Sardar Patel was imprisoned during Civil Disobedience Movement in 1930. After the signing of Gandhi-Irwin pact in 1931, Sardar Patel was released and he was elected Congress president for its 1931 session in Karachi. Upon the failure of the Round Table Conference in London, Gandhiji and Sardar Patel were arrested in January 1932 and imprisoned in the Yerwada Central Jail. During this term of imprisonment, Sardar Patel and Mahatma Gandhi grew close to one another, and the two developed a close bond of affection, trust, and frankness without reserve. Sardar Patel was finally released in July 1934.