When the Constituent Assembly met for the first time on December 9, 1946, who was elected as the temporary President of the Assembly following the French practice?

Explanation

Following the French practice of electing the oldest member as the provisional president, Dr. Sachchidananda Sinha was chosen as the temporary President of the Assembly during its first meeting on December 9, 1946. Later, on December 11, 1946, Dr. Rajendra Prasad was elected as the permanent President.