---
title: "ITER and India's Participation: Fusion Project"
description: "ITER is the world's largest fusion reactor in France, with India as a key partner, highlighting its role in global energy innovation."
url: "https://modeldiplomat.com/learn/glossary/iter-india"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- ITER is an international megaproject in southern France building the world's largest tokamak to demonstrate fusion power, with India as one of seven equal partners.
- What share of ITER does India contribute, and in what form?
- What is India's most significant single contribution to ITER?
- How does ITER differ from a fusion power plant?
- Why can India participate in ITER despite not signing the NPT?

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

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## Timeline

1. 21 November 2006

   The legal foundation is the Agreement on the Establishment of the ITER International Fusion Energy Organization, signed at the Élysée Palace in Paris on and…

2. 24 October 2007

   The legal foundation is the Agreement on the Establishment of the ITER International Fusion Energy Organization, signed at the Élysée Palace in Paris on 21 N…

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In 2020, Larsen & Toubro completed and delivered the cryostat base—India's flagship ITER contribution—which was lowered into the tokamak assembly pit at Cadarache, France, forming the foundation of the world's largest fusion reactor.

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