First meeting: The Constituent Assembly first met on December 9, 1946
Adoption: The Constitution was finally adopted on November 26, 1949
Implementation: It came into force on January 26, 1950 (celebrated as Republic Day)
Key facts about the Constitution-making process:
The Constituent Assembly held 11 sessions and sat for 165 days in total
Dr. B.R. Ambedkar served as the Chairman of the Drafting Committee
The Drafting Committee consisted of 7 members (as shown in the similar questions on the webpage)
The original Constitution contained 395 articles, 8 schedules, and was about 145,000 words
The members of the Constituent Assembly signed the final document on January 24, 1950
It is the longest written constitution of any sovereign country in the world
