Explanation:

- The Constituent Assembly was tasked with drafting the Indian Constitution.

- Option 1: Members were elected indirectly by Provincial Legislative Assemblies, which is true.

- Option 2: It correctly held its first sitting on 9th December 1946.

- Option 3: Seats were allocated among communities—Muslim, Sikh, and General—reflecting their population ratios, which is accurate.

- Option 4: The Governor-General did not determine the selection method for representatives of Indian States. The princely states handled their own representative selection, often through negotiations and their own established processes.