The correct sequence of the given events is option 2: 3 1 4 2.

1. Cripps Mission: This was a mission sent by the British government in 1942 to offer constitutional proposals to the Indian leaders during World War II. The mission failed to address the demands of the Indian National Congress, and ultimately resulted in its rejection.

2. Wavell Plan: This plan was introduced by Lord Wavell, the Viceroy of India, in 1945. It aimed to create an executive council with majority Indian membership and prepare the grounds for a future constitution. However, the plan was rejected by the Indian National Congress due to concerns over representation and the exclusion of certain political groups.

3. Cabinet Mission: The Cabinet Mission was a plan proposed by the British government in 1946 to resolve the constitutional deadlock between the Indian National Congress and the Muslim League. It suggested the formation of a united India with power-sharing arrangements. Although the mission did not succeed in achieving its goals, it laid the foundation for the later partition of India.

4. Radcliffe Award: After the partition of India was announced, Sir Cyril Radcliffe was appointed to draw the boundary lines between India and Pakistan. The Radcliffe Award was the final boundary line