---
title: "I.R. Coelho v. State of Tamil Nadu (2007) — Definition"
description: "I.R. Coelho v. State of Tamil Nadu (2007) allows judicial review of Ninth Schedule laws added after April 24, 1973, impacting constitutional governance."
url: "https://modeldiplomat.com/learn/glossary/ir-coelho-v-state-of-tamil-nadu-2007"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- I.
- R.
- Why is 24 April 1973 the critical date in Coelho?
- Did Coelho strike down any law in the Ninth Schedule?
- What is the difference between Coelho and Kesavananda Bharati?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

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## Timeline

1. 24 April 1973

   State of Tamil Nadu (2007) is a unanimous nine-judge Supreme Court ruling holding that laws placed in the Ninth Schedule after are subject to judicial revie…

2. 11 January 2007

   State of Tamil Nadu\*\*, decided on by a nine-judge Constitution Bench of the Supreme Court of India led by Chief Justice Y.K.

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In its 11 January 2007 judgment, the nine-judge bench led by Chief Justice Y.K. Sabharwal held that the West Bengal Land Holding Revenue Act, inserted into the Ninth Schedule in 1979, was open to basic-structure review.

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