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The monthly magazine, September 2026 · Global Affairs and International Relations › Neighbourhood › China and the boundary

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China and the boundary

India and China: the relationship, its agreements and its disputes.

Showing 2 of 2 articles, those that changed from 1 to 30 September 2026.Show all

India and China: the boundary and the thaw

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Prelims and Mains

LeadIndia and China: the boundary talks and Xi Jinping's visitSeptember 2026

Why in news

On 12 September 2026, on the margins of the BRICS Summit, the Prime Minister and President Xi Jinping held talks in New Delhi, Xi's first visit to India in almost seven years and the first since the Galwan clash of 2020. On 25 August the Special Representatives had agreed to pursue an "early and substantial harvest" in delimiting the boundary.

Background

  • The clash in the Galwan valley in June 2020 broke relations. Recovery began with the October 2024 understanding on patrolling in eastern Ladakh, then flights, visas and the revival of the boundary talks.
  • The Special Representatives mechanism, created in 2003, seeks a political settlement; its chief product is the 2005 Agreement on Political Parameters and Guiding Principles, which both still call the basis for a package solution.
  • The boundary is about 3,488 kilometres long and undemarcated; the Line of Actual Control is where the two armies stand.
  • Xi last visited for the Mamallapuram informal summit in 2019.

What the August talks agreed

  • An Expert Group on Boundary Delimitation and a Working Group on Border Management, to settle the less contested stretches first.
  • Two new General Level Mechanism meeting points and two new hotlines in the eastern and middle sectors.
  • Reopening of the three border trading points, Shipki La, Lipulekh and Nathu La; trade through Shipki La resumed on 1 August.
  • More batches of pilgrims to Kailash and Mansarovar; the river data mechanism to meet.

What the September meeting showed

  • Sequencing is the core difference. India: peace on the border is the basis for normal ties. China: ties and the boundary should move in parallel. The two readouts left it unresolved.
  • Both agreed differences should not become disputes; India restated its three mutuals: respect, sensitivity and interest.
  • No new mechanism; the thaw rests on existing channels.
  • The first Corps Commander meeting in the eastern sector, in Arunachal Pradesh, extended military talks beyond Ladakh.

India's stakes

  • Predictability on the border, which frees resources and attention.
  • Trade: about 151 billion dollars in 2025-26, with a record deficit of about 112 billion. Dependence in electronics, drug ingredients and rare earths gives Beijing leverage.
  • India has eased curbs on Chinese investment since March 2026 while keeping security screening.
  • The limits: China's infrastructure build up on its side continues, and it still renames places in Arunachal Pradesh, which India rejected again in August.

The way forward

  • Test the expert group on the middle sector, where the dispute is smallest, before the harder sectors.
  • De escalate: pull back the large deployments on both sides, which disengagement did not do.
  • Widen economic engagement only under screening, and cut dependence in the three sensitive sectors.
  • Keep the river data memoranda renewed, since floods do not wait for diplomacy.

Prelims facts

  • The Special Representatives mechanism dates from 2003; the Agreement on Political Parameters from 2005.
  • The 25th round: Beijing, 25 August 2026; the 26th will be in India in 2027.
  • Border trading points: Shipki La (Himachal Pradesh), Lipulekh (Uttarakhand), Nathu La (Sikkim).
  • Xi's previous visit: Mamallapuram, October 2019.
  • China is India's largest source of imports and largest trade deficit partner.

Open the lead on its own page

The clash in the Galwan valley in June 2020 broke relations. Recovery began with the October 2024 understanding on patrolling in eastern Ladakh, then flights, visas and the revival of the boundary talks.

What changed

  1. 12 Sep 2026LeadIndia and China: the boundary talks and Xi Jinping's visit

Show history (3 other updates)
  1. 26 Aug 2026newly added

    • On 25 August the 25th round of Special Representatives talks in Beijing agreed to pursue an Early and Substantial Harvest in delimiting the boundary, with two new military hotlines and two new General Level Mechanism meeting points; the 26th round is to be held in India in 2027.
    • Border trade through Shipki La in Himachal Pradesh resumed on 1 August, after a halt that began in 2020.
    • On 7 August the Home Ministry marked 27 places in Arunachal Pradesh by their standard names on the Survey of India map, and India again rejected China's renaming.

    The Hindu, 26 Aug 2026: India, China to push for 'early and substantial harvest' of border delimitation (opens in a new tab) · The Hindu, 25 Aug 2026: NSA Doval, Wang Yi hold border talks in Beijing (opens in a new tab) · News On AIR, 1 Aug 2026: India China cross border trade resumes through Shipki La after six years (opens in a new tab) · The Hindu, 8 Aug 2026: India counters China, formally names 27 places in Arunachal Pradesh (opens in a new tab) · Ministry of Foreign Affairs of the People's Republic of China, 26 Aug 2026: On the 25th round of the Special Representatives talks

  2. 28 Jul 2026Briefnewly addedOn 28 July the Foreign Secretary reviewed ties in Beijing with China's Vice Foreign Minister, covering trade, peace in the border areas and exchanges between people. News On AIR, 28 Jul 2026: Foreign Secretary Vikram Misri reviews India China ties during Beijing visit (opens in a new tab)

  3. 20 Jun 2026Briefnewly addedOn 20 June the first batch of the Kailash Mansarovar Yatra crossed into Tibet through Nathu La in Sikkim; the pilgrimage resumed in 2025 after a five year pause. News On AIR, 20 Jun 2026: Kailash Mansarovar Yatra: first batch crosses Nathu La (opens in a new tab)

See also: The Brahmaputra and China

Prelims and Mains

The Brahmaputra is the Yarlung Tsangpo in Tibet, so India and Bangladesh lie downstream of whatever China builds on it.

  1. 1997

    UN Watercourses Convention; neither India nor China has joined

  2. 2002

    Flood season memorandum on the Brahmaputra

  3. 2005

    Flood season memorandum on the Sutlej

  4. 2017

    China stops sharing Brahmaputra data during the Doklam standoff

From The Indian Express, 7 September 2026, and The Hindu, 6 September 2026

No treaty

  • There is no water treaty between India and China, only the Expert Level Mechanism of 2006.
  • It is a consultative channel through which China passes flood season data, and it commits China to nothing.
  • Neither country is party to the 1997 UN Watercourses Convention, which requires equitable use, no significant harm and prior notice of upstream works.

The dam at the Great Bend

  • China began building a dam at the Great Bend in July 2025, which its analysts project at about 60 GW, three times the Three Gorges.
  • Water may be diverted through a tunnel, so India cannot judge the effect downstream.
  • More than 14,000 glacial lakes dot the Tibetan Plateau, so upstream data is part of a warning system rather than a courtesy.

What changed

  1. 6 Sep 2026

    • The Hindu reported that the Nepal glacial collapse is unlikely to halt China's mega dam plan, though the plateau's glacial lakes are growing fastest near its southern borders.

    The Hindu, 6 Sep 2026: Glacial collapse unlikely to halt China's mega dam plan