Option 2 is not correct.

• On 13 December 1946, Jawaharlal Nehru introduced the “Objectives Resolution” in the Constituent Assembly.
• It was a momentous resolution that outlined the defining ideals of the Constitution of Independent India.
• The framework within which the work of constitution-making was to proceed.
• It proclaimed India to be an
  • “Independent Sovereign Republic”, guaranteed its citizens justice, equality, and freedom,
  • Assured that “adequate safeguards shall be provided for minorities, backward and tribal areas, and Depressed and Other Backward Classes.
  •  As he spoke, he said, his mind went back to the historic efforts in the past to produce such documents of rights.

Thus, we can say that the objective resolution of the Indian constitution was not laid by Dr. Bhimrao Ambedkar.

•  Both H.C. Mukherjee and V.T. Krishnamachari were elected as the Vice-Presidents of the Assembly.
• Dr. Sachchidananda Sinha who was the oldest member at that time was elected as the temporary or interim President of the Assembly, following the French practice.