- Adopted by the constituent assembly on 26 November, 1949.
- Came into full operation with effect from 26 Jan, 1950.
- Originally adopted 22 parts, 395 articles and 8 schedules.
- At present there are 12 schedules and 448 articles.
- Nearly 75 percent of constitution can be said to be a reproduction of the government of India Act, 1935.