The Constituent Assembly took 2 years, 11 months, and 18 days to form the draft (December 9, 1946 to November 26, 1949). It held its first session on December 9, 1946, and adopted the Constitution on November 26, 1949. The Constitution came into force on January 26, 1950. This extensive time was needed for detailed deliberations on 395 articles across 114 days of sitting.