With reference to the Constituent Assembly, Which of the following statement/s is/are correct?

1) The Constituent Assembly was constituted in November 1946 under the scheme formulated by the Indian Independence Act of 1947.

2) The representatives of the princely states were to be nominated by the heads of the princely states.

3) The members were to be indirectly elected by the members of the provincial assemblies, who themselves were elected on a limited franchise.