Constitution of India was adopted by constituent assembly onA1948 January 26B1949 November 26C1950 January 26D1950 November 26Answer: B. 1949 November 26 Read Explanation: The Constitution of India was adopted by the Constituent Assembly on 26 November 1949.This day is celebrated in India as "Constitution Day" and "National Law Day". The Constitution came into force on 26 January 1950. Read more in App