Constitution
8 events, 1946 to 2025; 5 marked as turning points.
1946
Madras members join the Constituent Assembly
With a sizeable contingent from the Madras Province, the Constituent Assembly of India held its first sitting in New Delhi.

1950
Madras State established under the Constitution
With the Constitution of India in force, the Madras Province became Madras State, a Part A state of the Indian Republic.

1951
Supreme Court strikes down the Communal G.O. in Champakam Dorairajan case
Madras State's caste-based Communal Government Order on college admissions was struck down by the Supreme Court.

First Amendment enables reservation for backward classes
Parliament passed the First Amendment, allowing special provisions for socially and educationally backward classes.

1974
Assembly adopts state autonomy resolution
Chief Minister Karunanidhi moved a resolution in the Assembly demanding state autonomy, based on the Rajamannar Committee's recommendations.

1991
DMK government dismissed under Article 356
The Chandra Shekhar government dismissed the Karunanidhi ministry, citing law and order concerns linked to LTTE activity, and imposed President's rule.
2023
Supreme Court upholds Tamil Nadu's jallikattu law
A five-judge Constitution Bench upheld the Tamil Nadu law that allowed jallikattu to be held after the 2017 protests.

2025
Supreme Court rules against Governor's withholding of bills
The Supreme Court held that Governor R. N. Ravi acted illegally in withholding assent to ten re-passed bills and set timelines for Governors.
