Introduction:
The Constitution of India is the supreme law of the country that lays down the framework and guidelines for the functioning of the government, its institutions, and the rights and duties of its citizens.

Adoption of the Constitution:
The Constitution of India was adopted on November 26, 1949. The Constituent Assembly had been working on drafting the Constitution since December 9, 1946. The drafting committee, chaired by Dr. B.R. Ambedkar, took two years, eleven months and eighteen days to finalize the document.

Enactment of the Constitution:
January 26, 1950, was chosen as the date for the enactment of the Constitution. It was on this day that the Constitution was officially adopted and became the supreme law of India. The day is celebrated as Republic Day, a national holiday in India.

Features of the Constitution:
The Constitution of India is a comprehensive document that outlines the fundamental principles, structures, and procedures of the Indian government. Some of its salient features include:

- Federal system of government
- Fundamental rights and duties of citizens
- Directive Principles of State Policy
- Independent judiciary
- Parliamentary form of government
- Universal adult suffrage
- Secularism
- Single citizenship

Conclusion:
The adoption of the Constitution of India on November 26, 1949, is a significant event in the country's history. The Constitution has played a vital role in shaping India's political, social, and economic landscape and remains a cornerstone of the country's democracy.

On November 26th, drafting committee finished their work on constitution. On jan 26th our constitution came into effect... Also 26 November is known as constitution day or law day... Hope it will help...