Master the Constitution
Timelines, amendment notes, legal glossary, and exam-ready study cards β all in one place.
India's Constitutional Journey
Constituent Assembly Formed
Under the Cabinet Mission Plan, the Constituent Assembly of India was formed. It held its first session on December 9, 1946. Dr. Sachchidananda Sinha was elected temporary president and Dr. Rajendra Prasad became the permanent President. The Assembly had 389 members.
Indian Independence & Drafting Committee
India gained independence on August 15, 1947. The Constituent Assembly became a sovereign body. On August 29, 1947, a Drafting Committee was appointed under the chairmanship of Dr. B.R. Ambedkar. The Committee submitted the Draft Constitution on February 21, 1948.
Constitution Adopted β November 26
After 2 years, 11 months, and 18 days of deliberation across 11 sessions, the Constitution was adopted on November 26, 1949. It was signed by 284 members. The date is now celebrated as Constitution Day (Samvidhan Divas).
Constitution Came into Force β January 26
The Constitution replaced the Government of India Act, 1935. Dr. Rajendra Prasad became the first President. India officially became a Republic. January 26 is celebrated as Republic Day and was chosen to commemorate the Purna Swaraj Declaration of 1930.
First Constitutional Amendment
The Constitution (First Amendment) Act, 1951 added the Ninth Schedule to protect land reform laws from judicial reviewThe power of courts to examine the constitutionality of laws.. It also placed reasonable restrictions on freedom of speech and added "public order" as a ground for restriction.
Basic Structure Doctrine β Kesavananda Bharati
The Supreme Court's 13-judge bench in Kesavananda Bharati v. State of Kerala held (7:6) that Parliament cannot amend the "basic structure" of the Constitution. Basic features include: constitutional supremacy, republican & democratic government, secular character, separation of powers, and judicial review.
The "Mini Constitution" β 42nd Amendment
The Constitution (42nd Amendment) Act, 1976 β passed during the Emergency β made sweeping changes. It added "Socialist" and "Secular" to the Preamble, added Fundamental Duties (Part IVA, Article 51A), subordinated Fundamental Rights to Directive Principles, and curtailed judicial review. Many provisions were later reversed by the 44th Amendment (1978).
44th Amendment β Restoring Rights
The 44th Amendment reversed several changes of the 42nd. Right to Property (Article 31) was removed from Fundamental Rights and made a constitutional right under Article 300A. It also strengthened safeguards against Emergency proclamations and ensured freedom of the press.
Panchayati Raj & Municipalities
The 73rd Amendment gave constitutional status to Panchayati Raj institutions (Part IX, Articles 243β243O), mandating reservations for SC, ST, and women. The 74th Amendment did the same for urban local bodies (Part IXA, Articles 243Pβ243ZG). Both came into force in 1993.
Right to Education β Article 21A
The 86th Amendment inserted Article 21A, making free and compulsory education for children aged 6β14 a Fundamental Right. It also inserted Article 51A(k) making it a duty of parents to ensure their children receive education. The RTE Act, 2009 operationalised this right.
Right to Privacy β Puttaswamy Judgment
The 9-judge bench in Justice K.S. Puttaswamy v. Union of India unanimously held that the right to privacy is a fundamental right under Article 21. The judgment has far-reaching implications for Aadhaar, data protection legislation, and state surveillance.
Key Constitutional Amendments
- Added Ninth Schedule to protect land reform laws from judicial challenge
- Added "public order," "friendly relations with foreign states," and "incitement to offence" as grounds for restricting Article 19(1)(a)
- Amended Articles 15, 19, 85, 87, 174, 176, 341, 342, 372, 376
- Abolished the four-tier classification of states (A, B, C, D) and replaced it with States and Union Territories
- Implemented the States Reorganisation Commission's recommendations
- Changed the Second Schedule regarding emoluments of Governors
- Amended Article 368 to explicitly state Parliament's power to amend any provision of the Constitution
- Enacted after Golaknath case (1967) which held Parliament couldn't amend Fundamental Rights
- Upheld by the Supreme Court in Kesavananda Bharati (1973) with the "basic structure" caveat
- Added "Socialist," "Secular," and "Integrity" to the Preamble
- Added Part IVA (Article 51A) β Fundamental Duties (10 duties)
- Gave Directive Principles precedence over Fundamental Rights (Articles 31C, 39)
- Debarred courts from challenging constitutional amendments (Article 368)
- Extended the life of Lok Sabha and state assemblies from 5 to 6 years
- Many provisions declared unconstitutional or reversed by 44th Amendment (1978)
Constitutional Glossary
Quick Study Notes
The Preamble β Key Facts
Essential facts about the Preamble that appear repeatedly in competitive exams.
- Not enforceable by courts but guides interpretation of the Constitution
- Words "Socialist" and "Secular" added by 42nd Amendment (1976)
- Word "Integrity" also added by 42nd Amendment
- Part of the Constitution β held in Kesavananda Bharati (1973)
- Can be amended β held in LIC v. Consumer Education (1995)
Fundamental Rights at a Glance
Six categories of Fundamental Rights under Part III.
- Art. 14β18: Right to Equality
- Art. 19β22: Right to Freedom
- Art. 23β24: Right Against Exploitation
- Art. 25β28: Right to Freedom of Religion
- Art. 29β30: Cultural and Educational Rights
- Art. 32: Right to Constitutional Remedies