UPSC Notes

India-China Border Dispute (Arunachal Pradesh)

PYQs

11

Articles

2

Momentum

32

Phase IFoundation

Background

Overview

This dispute is crucial for understanding India's national security challenges, foreign policy objectives, bilateral relations with a major power, and regional stability in Asia.

The India-China border dispute is a long-standing geopolitical issue concerning the demarcation of the boundary between the two countries, particularly in the Western (Aksai Chin) and Eastern (Arunachal Pradesh) sectors. China claims Arunachal Pradesh as 'South Tibet', while India asserts it is an integral part of its territory.

Phase IIStatic core

Facts & tables

Key facts

Primary disputed region in Eastern Sector

Arunachal Pradesh, claimed by China as 'South Tibet'.

India's Stance

Arunachal Pradesh is an integral and inalienable part of India.

China's Tactics

Assigning 'fictitious' names to places in Indian territory to assert claims.

Historical Flashpoints

Long Ju (1959), Thag La (1962) are significant locations in the dispute.

Sectors of Dispute

The boundary dispute spans three main sectors: Western, Middle, and Eastern.

Key Historical Document

The Anglo-Chinese Convention of 1890 is a foundational document, particularly for the Sikkim Sector, though its interpretation remains contested.

2005 Agreement

The 2005 Agreement on Political Parameters and Guiding Principles for the Settlement of the India-China Boundary advocates for a 'package settlement' covering all sectors.

Early Harvest Proposal

India's 'Early Harvest' proposal aimed to settle the Sikkim and Middle sectors along the watershed principle, but faced challenges in Chinese acceptance of its full scope.

Reference table

Static syllabus anchors

TypeReference
Conceptual areaInternational Relations
Conceptual areaNational Security

Reference table

Institutions & roles

BodyRole
Ministry of External Affairs (MEA)Formulates and implements foreign policy regarding border disputes
Union Home MinistryResponsible for internal security and border management
Special Representatives (SRs)Negotiates
Expert Group on Boundary DelimitationNegotiates
Working Mechanism for Consultation and Coordination (WMCC)Manages
Phase IIIExam lens

Prelims angle

Overview

Prelims angle: Multi-statement analysis

Prelims angle: Factual recall

Quick revision

  • Arunachal Pradesh: Eastern sector of India-China border dispute.
  • China claims it as 'South Tibet'; India asserts integral part.
  • China's renaming attempts are rejected by India as 'fictitious'.
  • LAC is the de facto boundary, prone to stand-offs.
  • Key locations: Long Ju (1959), Thag La (1962), Dzo La, Riza La, Pukur La.

High-confidence PYQs

Topic timeline

International RelationsNational Security

India counters China, formally names 27 places in Arunachal Pradesh

08 Aug 2026 · The India-China border dispute in Arunachal Pradesh involves China's territorial claims and India's firm assertion of sovereignty, often manifested through naming disputes and military stand-offs along the Line of Actual Control (LAC).

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‘Early Harvest’ — larger but not necessarily safer

03 Sep 2026 · The India-China boundary dispute involves contested claims across three sectors, with negotiations often complicated by differing interpretations of historical agreements and strategic interests, as seen in the 'Early Harvest' proposal and the 2005 Agreement's 'package settlement' principle.

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Related topics

Practice writing on this topic

UPSC has asked 11 linked questions on India-China Border Dispute (Arunachal Pradesh) in Mains. Write an answer to one — and get it evaluated.

UPSC Prelims PYQs on India-China Border Dispute (Arunachal Pradesh)

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