With reference the proposals for the formation of the Constituent Assembly, consider the following statements:

I. The Cripps Mission (1942) proposed that the Constitution should be framed by an assembly elected solely by the Provincial Legislatures.

II. The Cabinet Mission Plan (1946) rejected the idea of two separate Constituent Assemblies for India and Pakistan.

III. Under the Cabinet Mission Plan, the Constituent Assembly was to be a fully sovereign body from its inception.

Which of the statements given above is/are correct?