Anantam IASPost · 17 April 2026

Shanghai Cooperation Organisation (SCO) — Members, RATS & UPSC Notes (UPSC International Relations)

Study Notes · General Studies · GS II · International Relations

UPSC guide to SCO: origin, members, RATS, India's presidency 2023, Astana Summit 2024, Iran and Belarus inclusion, challenges and India's position.

The Shanghai Cooperation Organisation (SCO) is a Eurasian political, security and economic bloc covering roughly 40% of world population, over 30% of world GDP, and the vast landmass from the Arctic Circle to the Indian Ocean. For UPSC GS-II, SCO questions combine neighbourhood diplomacy, connectivity, counter-terrorism and India’s strategic autonomy across Eurasia.

Origin and evolution

Membership structure

CategoryMembers
Full members (10)China, Russia, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, India, Pakistan, Iran, Belarus
ObserversAfghanistan, Mongolia
Dialogue partnersArmenia, Azerbaijan, Bahrain, Egypt, Cambodia, Kuwait, Maldives, Myanmar, Nepal, Qatar, Saudi Arabia, Sri Lanka, Turkey, UAE

Institutional architecture

Official pillars

SCO cooperation traditionally rests on the "Three Evils" framework — combating terrorism, separatism and extremism. Over time the agenda has expanded to:

Significance for members

India's SCO journey

2023 New Delhi SCO Summit (Indian presidency)

2024 Astana Summit

Regional Anti-Terrorist Structure (RATS)

RATS, based in Tashkent, is SCO's main counter-terror instrument. It facilitates:

India engages RATS to flag Pakistan-origin terror groups (Lashkar-e-Taiba, Jaish-e-Mohammed) even though Pakistan is a fellow member — making SCO a rare forum where India can press Pakistan on terrorism at a multilateral level.

India's strategic interests

  1. Counter-terror optics — putting Pakistan on the record in SCO declarations.
  2. Central Asia connectivityChabahar port, INSTC, access to Uzbekistan, Kazakhstan.
  3. Energy security — oil, gas, uranium from Central Asia.
  4. Multi-alignment — SCO balances Quad and IPEF in India's foreign-policy portfolio.
  5. Afghanistan — a platform to engage Taliban-era Afghanistan on security.

Concerns and limitations

China-Russia condominium

BRI endorsement pressure

Pakistan membership

Anti-Western drift

Dilution

SCO vs other multilaterals

FeatureNATOCSTOSCOQuad
NatureDefence allianceDefence alliancePolitical-security forumPlurilateral coalition
Collective defenceYesYesNoNo
Members326104
LeadUSRussiaChina + RussiaUS-led
IndiaFull memberFull member

Latest developments (2024-26)

Way forward for India in SCO

UPSC Relevance

GS-II: "Bilateral, regional and global groupings involving India; India and its neighbourhood."

Probable questions

Prelims trigger words — Shanghai Five, Three Evils, RATS (Tashkent), Peace Mission exercises, CSTO, Astana Summit 2024, Belarus membership, CPEC, BRI.

For India, SCO is not about choosing sides. It is about keeping the Eurasian door open — to energy, connectivity and counter-terrorism — while the Indo-Pacific and Global South tracks run in parallel.