---
title: "India Definition and Overview | Model Diplomat"
description: "India is a sovereign socialist secular democratic republic in South Asia, known for being the world's most populous nation and its rich history."
url: "https://modeldiplomat.com/learn/glossary/india"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- India is a sovereign socialist secular democratic republic in South Asia, governed by the Constitution of 1950, and the world's most populous nation.
- What does Article 1 of the Indian Constitution declare about India's nature?
- What is the significance of the India-Bangladesh Land Boundary Agreement of 2015?
- Is India a signatory to the Nuclear Non-Proliferation Treaty?
- What major water-sharing disputes exist between India and Bangladesh?

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

India is a sovereign socialist secular democratic republic in South Asia, governed by the Constitution of 1950, and the world's most populous nation.

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## Timeline

1. 26 November 1949

   India, officially the Republic of India (Bhārat Gaṇarājya), is a federal parliamentary democratic republic constituted by the Constitution of India, adopted…

2. 26 January 1950

   India, officially the Republic of India (Bhārat Gaṇarājya), is a federal parliamentary democratic republic constituted by the Constitution of India, adopted…

3. 15 August 1947

   India achieved independence from British rule on under the Indian Independence Act 1947, partitioning the subcontinent into India and Pakistan.

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Example

In June 2015, India and Bangladesh implemented the Land Boundary Agreement under the 100th Constitutional Amendment, exchanging 162 enclaves and settling a border dispute dating to the 1947 Partition.

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