The Constitution of India was enacted in 1950 and is the supreme law of India.

The Constitution of India, 1950 lays down structure, procedures, powers, duties of government institutions and sets out fundamental rights, directive principles, duties of citizens. It is the longest written national constitution in the world. The Parliament of India cannot override the Constitution.

Dr. B.R. Ambedkar is known as the father of the Indian Constitution.
The Constitution of India was adopted by the Constituent Assembly of India on 26 November 1949 and became effective on 26 January 1950. The Constitution of India, 1950 replaced the Government of India Act, 1935 as the country’s fundamental governing document, and the Dominion of India became the Republic of India.

India celebrates its Constitution on 26 January as Republic Day. The Constitution declares India a Sovereign, Socialist, Secular, Democratic and Republic, and assures its citizens Justice, Equality, Liberty and endeavours to promote Fraternity.