BharatNotes
Asia is the world's largest and most populous continent, spanning from the Pacific Ocean in the east to the Ural Mountains in the west and from the Arctic Ocean in the north to the Indian Ocean in the south. For UPSC, Asia generates the highest volume of GS2 (International Relations) and GS1 (Physical Geography) map questions. India — as the largest democracy, a rising global power, and the geographic heart of South Asia — is the most important country in this continent for UPSC preparation and is fully covered in this page.
1. Asia Sub-regions Overview
| Sub-region | Countries | Key Physical Feature | India's Engagement |
|---|---|---|---|
| East Asia | China, Japan, South Korea, North Korea, Mongolia, Taiwan | Yangtze River, Yellow River, Himalayas (Tibet Plateau) | Border disputes (China-LAC), trade, technology, cultural ties |
| Southeast Asia | Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Thailand, Timor-Leste, Vietnam | Mekong River, Irrawaddy, Malacca Strait, Ring of Fire | Act East Policy, ASEAN FTA, Kaladan project, Myanmar connectivity |
| South Asia | India, Afghanistan, Bangladesh, Bhutan, Maldives, Nepal, Pakistan, Sri Lanka | Himalayan system, Hindu Kush, Karakoram, Deccan Plateau, Bay of Bengal, Arabian Sea | SAARC, BIMSTEC, Neighbourhood First Policy; India is the dominant nation in the sub-region |
| Central Asia | Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan | Tian Shan, Altai ranges, Aral Sea, Caspian Sea | SCO, INSTC, TAPI pipeline, India-Central Asia Summit |
| West Asia / Middle East | Saudi Arabia, UAE, Iran, Iraq, Kuwait, Qatar, Bahrain, Oman, Jordan, Israel, Lebanon, Syria, Yemen, Turkey | Zagros Mountains, Tigris-Euphrates, Rub' al Khali | Gulf diaspora (9M+ Indians), oil imports, IMEC, I2U2 |
| Caucasus | Armenia, Azerbaijan, Georgia | Caucasus Mountain range | Limited direct ties; Armenia-Azerbaijan conflict has India policy relevance |
2. Physical Features of Asia
This section covers the major physical features of Asia, including India's key mountains, rivers, deserts, plateaus, and coastal features.
Mountain Ranges
| Feature | Type | Countries / Location | Key Facts |
|---|---|---|---|
| Himalayan System | Mountain range | India (J&K, Ladakh UT, Himachal Pradesh, Uttarakhand, Sikkim, Arunachal Pradesh), Nepal, Bhutan, China (Tibet), Pakistan | World's highest mountain range; contains all 14 peaks above 8,000 m; runs ~2,500 km west-east; forms India's northern and northeastern barrier; source of major peninsular and trans-Asian rivers |
| Karakoram Range | Mountain range | India (Ladakh UT); Gilgit-Baltistan (Indian territory under Pakistani illegal occupation); China (Xinjiang) | Contains K2 (8,611 m), world's second-highest peak; India claims entire J&K including Gilgit-Baltistan; CPEC traverses the Karakoram Highway through Indian-claimed territory |
| Western Ghats (Sahyadri) | Mountain range | India (Gujarat, Maharashtra, Goa, Karnataka, Kerala, Tamil Nadu) | Runs ~1,600 km parallel to western coast; UNESCO World Heritage Site (2012); origin of west-flowing rivers (Periyar, Godavari tributaries); biodiversity hotspot |
| Eastern Ghats | Mountain range | India (Odisha, Andhra Pradesh, Tamil Nadu) | Discontinuous range along eastern coast; lower elevation than Western Ghats; origin of several east-flowing rivers |
| Vindhya Range | Mountain range | India (Gujarat, Madhya Pradesh, Uttar Pradesh) | Acts as watershed separating north India (Ganga basin) from Deccan plateau; historically considered the divide between "Aryavarta" and peninsular India |
| Satpura Range | Mountain range | India (Maharashtra, Madhya Pradesh, Chhattisgarh) | Runs parallel to Vindhyas; lies between Narmada and Tapti rivers; Pachmarhi hill station located here |
| Aravalli Range | Mountain range | India (Rajasthan, Haryana, Delhi, Gujarat) | Oldest fold mountains in India (~1.8 billion years old); run NE-SW for ~800 km; form divide between Thar Desert and Gangetic Plain; Guru Shikhar (1,722 m) is the highest peak |
| Hindu Kush | Mountain range | Afghanistan, Pakistan | Separates Central Asia from South Asia; Khyber Pass (1,070 m) is the historic route |
| Tian Shan | Mountain range | Kyrgyzstan, Kazakhstan, China (Xinjiang) | Means "Celestial Mountains"; up to 7,439 m (Jengish Chokusu); separates Central Asia from Tarim Basin |
| Altai Mountains | Mountain range | Russia, Kazakhstan, Mongolia, China | Source of the Ob and Irtysh rivers; connects Siberia and Central Asia |
| Zagros Mountains | Mountain range | Iran, Iraq, Turkey | Major oil-bearing geological fold; separates the Iranian plateau from Mesopotamia |
| Caucasus Mountains | Mountain range | Russia, Georgia, Azerbaijan, Armenia | Greater Caucasus marks the Europe-Asia boundary; Mt. Elbrus (5,642 m) is Europe's highest peak |
| Ural Mountains | Mountain range | Russia | Conventional western boundary of Asia; low range, rich in minerals |
| Kunlun Mountains | Mountain range | China (Xinjiang, Tibet) | Northern edge of the Tibetan Plateau; separates Tarim Basin from Tibet |
Major Rivers
| River | Source | Mouth | Countries | Key Facts |
|---|---|---|---|---|
| Ganga (Ganges) | Gangotri Glacier, Uttarakhand (via Bhagirathi; Alaknanda joins at Devprayag) | Bay of Bengal (via Sundarbans delta, Bangladesh) | India, Bangladesh | 2,525 km (India's national river); flows through 5 states (Uttarakhand, UP, Bihar, Jharkhand, West Bengal); enters Bangladesh as Padma; basin covers 26% of India's land area |
| Brahmaputra (Yarlung Tsangpo) | Manasarovar Lake region near Mt. Kailash, Tibet | Bay of Bengal (via Jamuna, Bangladesh) | China (Tibet), India (Arunachal Pradesh, Assam), Bangladesh | Trans-boundary river (~2,900 km total); called Yarlung Tsangpo in Tibet, Siang/Dihang in Arunachal Pradesh, Brahmaputra in Assam, Jamuna in Bangladesh; world's 9th largest by discharge |
| Indus (Sindhu) | Manasarovar / Sênggê Kanbab, Tibet | Arabian Sea (via Pakistan) | China (Tibet), India (Ladakh), Pakistan | 3,180 km; enters India via Demchok in Ladakh; flows northwest through Ladakh (422 km in India) before entering Pakistan-occupied Jammu & Kashmir (PoJK); Indus Waters Treaty (1960) divides waters between India and Pakistan |
| Yamuna | Yamunotri Glacier, Uttarakhand | Meets Ganga at Prayagraj (Triveni Sangam) | India | 1,376 km; longest tributary of the Ganga; flows through Delhi, Agra; Triveni Sangam at Prayagraj is site of Kumbh Mela |
| Godavari | Trimbakeshwar, Maharashtra (Western Ghats) | Bay of Bengal | India | 1,465 km; longest river of peninsular India; called "Dakshin Ganga" (Ganga of the South); flows through Maharashtra, Telangana, Andhra Pradesh |
| Mahanadi | Sihawa, Chhattisgarh | Bay of Bengal | India | 858 km; flows through Chhattisgarh and Odisha; Hirakud Dam (one of India's longest earth dams) is on this river |
| Krishna | Mahabaleshwar, Maharashtra (Western Ghats) | Bay of Bengal | India | 1,400 km; flows through Maharashtra, Karnataka, Andhra Pradesh; important for irrigation in Deccan |
| Cauvery (Kaveri) | Talakaveri, Coorg (Karnataka) | Bay of Bengal | India | 802 km; flows through Karnataka and Tamil Nadu; subject of longstanding inter-state water dispute (Cauvery Water Disputes Tribunal, 1990; Supreme Court final order 2018) |
| Yangtze (Chang Jiang) | Tibetan Plateau | East China Sea | China | Longest river in Asia (6,300 km); Three Gorges Dam on Yangtze |
| Yellow River (Huang He) | Bayan Har Mountains, Tibet | Bohai Sea | China | "Cradle of Chinese civilisation"; prone to devastating floods; called "China's Sorrow" |
| Mekong | Tibetan Plateau | South China Sea | China, Myanmar, Laos, Thailand, Cambodia, Vietnam | Sixth-longest in Asia; LMC (Lancang-Mekong Cooperation) is China's sub-regional bloc on this river |
| Irrawaddy (Ayeyarwady) | Confluence of Mali and Nmai rivers, Myanmar | Andaman Sea | Myanmar | Myanmar's lifeline river; Irrawaddy delta is heavily populated; distinct from Mekong |
| Salween (Thanlwin) | Tibetan Plateau | Gulf of Martaban (Andaman Sea) | China, Myanmar, Thailand | Runs through deep gorges; largely undammed; fewer UPSC mentions than Mekong |
| Ob-Irtysh | Altai Mountains | Gulf of Ob, Arctic Ocean | Russia, Kazakhstan | One of the longest river systems in the world; drains western Siberia |
| Yenisei | Mongolia/Tuva | Arctic Ocean | Russia, Mongolia | Longest river flowing into the Arctic Ocean; forms boundary of central and western Siberia |
| Lena | Lake Baikal region | Laptev Sea (Arctic) | Russia | One of the world's longest rivers; vast delta; permafrost region |
| Amur (Heilongjiang) | Confluence of Shilka and Argun | Sea of Okhotsk | Russia, China | Forms the Russia-China border in the Far East; "Black Dragon River" in Chinese |
| Tigris | Taurus Mountains, Turkey | Shatt al-Arab, Persian Gulf | Turkey, Iraq, Syria | Mesopotamia river; Baghdad sits on the Tigris |
| Euphrates | Taurus Mountains, Turkey | Shatt al-Arab (joins Tigris) | Turkey, Syria, Iraq | Longest river in West Asia; Ataturk Dam (Turkey) has caused major water disputes |
| Amu Darya | Pamir Mountains | Aral Sea (formerly) | Tajikistan, Afghanistan, Uzbekistan, Turkmenistan | Ancient Oxus river; its diversion for cotton irrigation caused the Aral Sea crisis |
| Syr Darya | Tian Shan | Aral Sea (formerly) | Kyrgyzstan, Uzbekistan, Tajikistan, Kazakhstan | Northern of the two rivers that once fed the Aral Sea |
Deserts
| Desert | Location | Countries | Key Facts |
|---|---|---|---|
| Thar Desert (Great Indian Desert) | Northwestern India and Pakistan | India (Rajasthan, Gujarat, Haryana, Punjab), Pakistan | ~264,000 sq km total; ~195,000 sq km in India; world's most densely populated desert (83 persons/sq km); hot desert; forms a natural barrier on India's northwestern flank; Indira Gandhi Canal (Rajasthan Canal) brings irrigation water |
| Gobi Desert | East-Central Asia | China, Mongolia | Cold desert; largest in Asia; important in Silk Road history; expanding due to desertification |
| Taklamakan Desert | Tarim Basin, Xinjiang | China | "You go in, you don't come out" — one of the world's largest sand deserts; encircled by mountain ranges |
| Arabian Desert | Arabian Peninsula | Saudi Arabia, UAE, Oman, Yemen, Jordan | World's fourth-largest desert; includes the Rub' al Khali sub-desert |
| Rub' al Khali (Empty Quarter) | Southern Arabian Peninsula | Saudi Arabia, UAE, Oman, Yemen | World's largest continuous sand desert (~650,000 sq km); virtually uninhabited; massive oil reserves beneath |
| Syrian Desert | Levant / Mesopotamia | Syria, Iraq, Jordan, Saudi Arabia | Basalt and gravel desert; historically important caravan route |
| Karakum Desert | Central Asia | Turkmenistan | "Black Sand" desert; Darvaza gas crater ("Door to Hell") located here |
Lakes and Water Bodies
| Water Body | Type | Countries | Key Facts |
|---|---|---|---|
| Caspian Sea | Enclosed saline lake (world's largest) | Russia, Kazakhstan, Turkmenistan, Iran, Azerbaijan | Five littoral states signed Convention on Legal Status of Caspian Sea (2018, Aktau); major oil and gas reserves |
| Aral Sea | Shrinking saline lake | Kazakhstan, Uzbekistan | Once fourth-largest lake; lost over 90% of volume since 1960s due to Soviet-era irrigation diversion of Amu Darya and Syr Darya; classified as one of the worst ecological disasters of the 20th century; now split into smaller remnants; "Aralkum" salt desert formed |
| Dead Sea | Hypersaline lake | Israel, Jordan, Palestine | Lowest point on Earth's land surface (~430 m below sea level); 10x saltier than ocean; shared between Israel and Jordan |
| Lake Baikal | Freshwater lake | Russia (Siberia) | World's deepest lake (1,642 m); oldest lake (25–30 million years); contains ~20% of world's unfrozen surface freshwater; UNESCO World Heritage Site (1996) |
| Lake Balkhash | Freshwater/saline lake | Kazakhstan | Unique: western half freshwater, eastern half saline; fed by Ili River |
Other Physical Features
| Feature | Location | Key Facts |
|---|---|---|
| Deccan Plateau | India (Maharashtra, Telangana, Andhra Pradesh, Karnataka, parts of MP, Chhattisgarh) | Triangular plateau; one of the world's oldest geological formations (part of ancient Gondwana supercontinent); bounded by Western Ghats (west), Eastern Ghats (east), Vindhya-Satpura ranges (north); average elevation ~600 m; slopes west-to-east so most rivers flow eastward to Bay of Bengal; rich in black cotton soil (regur) |
| Konkan Coast | India (Maharashtra and Goa) | Narrow coastal strip between Western Ghats and Arabian Sea; known for laterite soil; natural harbours |
| Malabar Coast | India (Kerala) | Southern part of India's western coast; receives highest rainfall in India; lagoons (backwaters/Kayals) are unique feature; important for cashew and spice trade |
| Coromandel Coast | India (Tamil Nadu, southern Andhra Pradesh) | Eastern coastal plain; receives rain from northeast monsoon (October–December); prone to cyclones from Bay of Bengal |
| Sundarbans Delta | India (West Bengal) and Bangladesh | World's largest mangrove forest (~10,277 sq km total; ~4,260 sq km in India); UNESCO World Heritage Site; habitat of the Bengal tiger; formed by Ganga-Brahmaputra delta system; shared India-Bangladesh territory |
| Siberian Permafrost | Russia (Siberia) | Covers ~65% of Russia's territory; stores vast amounts of methane; thawing permafrost is a major climate feedback loop; major concern in IPCC reports |
| Tibetan Plateau | China, India (disputed) | Highest plateau on Earth ("Roof of the World"); average elevation ~4,500 m; source of major Asian rivers (Yangtze, Yellow, Mekong, Salween, Brahmaputra, Indus); LAC runs along its edge |
| Korean Peninsula | East Asia | Divided at 38th Parallel (DMZ); North Korea has nuclear programme; one of the most militarised borders in the world |
3. East Asia
| Country | Capital | Key Geographic Feature | India Relations | Key UPSC Angle |
|---|---|---|---|---|
| China | Beijing | Tibetan Plateau, Yangtze River, South China Sea coast | Complex: trade partner + border dispute (LAC); CPEC through Pakistan-administered Kashmir disputed by India | LAC, CPEC, BRI, SCO, BRICS; South China Sea claims; Taiwan issue |
| Japan | Tokyo | Island archipelago (4 main islands); Ring of Fire; Mount Fuji (3,776 m) | Strong strategic ties; Quad member; ODA (Official Development Assistance) to India | Quad (India-Japan-USA-Australia); CPTPP; Senkaku/Diaoyu dispute with China |
| South Korea | Seoul | Korean Peninsula, Yellow Sea coast, East Sea | Strong economic ties; Samsung/Hyundai FDI in India; Korean Wave (cultural) | ASEAN+3; North-South Korean DMZ; THAAD deployment |
| North Korea | Pyongyang | Northern Korean Peninsula; mountainous terrain | Minimal direct ties | Nuclear tests (ICBM capable); 38th parallel; Kim Jong-un regime; UNSC sanctions |
| Mongolia | Ulaanbaatar | Landlocked; Gobi Desert in south; steppe in north | Warm ties; "Third Neighbour Policy" (Mongolia balances Russia and China) | Landlocked country between Russia and China; Gobi coal and copper reserves; nomadic herder culture |
| Taiwan | Taipei (de facto capital) | Island separated from mainland China by Taiwan Strait (180 km) | India recognises One China Policy officially; growing unofficial engagement | "One China" vs Taiwan's de facto independence; TSMC (global semiconductor hub); Chinese military exercises (Joint Sword 2024B, Justice Mission 2025) |
China's Key Regions (UPSC-Relevant)
| Region / Province | Status | India/UPSC Relevance |
|---|---|---|
| Tibet Autonomous Region | Autonomous Region | Shares LAC with India (Ladakh, Himachal, Uttarakhand, Sikkim, Arunachal sectors); Dalai Lama controversy; source of major Asian rivers |
| Xinjiang | Autonomous Region | Starting point of CPEC (Kashgar); Uyghur Muslim population; Chinese crackdown — "re-education camps"; BRI's overland routes |
| Inner Mongolia | Autonomous Region | Chinese province; distinct from the independent country Mongolia; Gobi Desert extension |
| Manchuria (Dongbei) | Historical/Regional name for 3 NE provinces | Heavy industry region; shares border with Russia (Amur) and North Korea |
| Hong Kong | Special Administrative Region (SAR) | "One country, two systems" (guaranteed until 2047); National Security Law (2020) effectively curtailed autonomy; major financial hub |
| Macau | Special Administrative Region (SAR) | Returned from Portugal (1999); casino economy; "one country, two systems" |
| South China Sea | Disputed maritime zone | China claims ~90% (Nine-Dash Line); disputed by Philippines, Vietnam, Malaysia, Brunei, Taiwan; 2016 Permanent Court of Arbitration ruled against China's claims (China rejected ruling) |
4. Southeast Asia
ASEAN (Association of Southeast Asian Nations): Founded 8 August 1967 (Bangkok Declaration) by 5 states (Indonesia, Malaysia, Philippines, Singapore, Thailand). Headquarters: Jakarta, Indonesia. As of 26 October 2025, ASEAN has 11 members after Timor-Leste's full accession at the 47th ASEAN Summit.
| Country | Capital | ASEAN? | Key Resource / Feature | India Engagement |
|---|---|---|---|---|
| Indonesia | Jakarta | Yes (founding, 1967) | World's largest archipelago (17,000+ islands); tropical rainforest; palm oil, coal, nickel | Act East Policy; ASEAN-India FTA; G20 partner |
| Malaysia | Kuala Lumpur | Yes (founding, 1967) | Rubber, palm oil, petroleum (Petronas); Strait of Malacca | Act East Policy; ASEAN-India FTA |
| Philippines | Manila | Yes (founding, 1967) | Archipelago (7,100+ islands); Ring of Fire; copper, nickel | Act East Policy; shared South China Sea concerns |
| Singapore | Singapore | Yes (founding, 1967) | City-state; world's busiest transhipment port (Strait of Malacca) | CECA (FTA); major Indian diaspora hub; UPI-PayNow linkage |
| Thailand | Bangkok | Yes (founding, 1967) | Rice ("Rice Bowl of Asia"); Gulf of Thailand; Mekong | Act East Policy; India-Myanmar-Thailand Highway endpoint (Mae Sot) |
| Brunei | Bandar Seri Begawan | Yes (1984) | Wealthy sultanate; oil and gas; South China Sea claimant | Limited direct ties |
| Vietnam | Hanoi | Yes (1995) | Mekong Delta (rice); coal; South China Sea claimant | India supplies BrahMos-type missiles (MoU); hydrocarbons in South China Sea (ONGC Videsh); strategic partner |
| Laos | Vientiane | Yes (1997) | Landlocked; Mekong; hydropower ("Battery of Southeast Asia") | Mekong-Ganga Cooperation |
| Myanmar | Naypyidaw | Yes (1997) | Jade, teak, natural gas; Irrawaddy River; Bay of Bengal coast | Kaladan Multimodal Transit Project; India-Myanmar-Thailand Highway; Act East Policy — civil war disrupts both projects |
| Cambodia | Phnom Penh | Yes (1999) | Mekong; Tonle Sap Lake; Angkor Wat; Chinese strategic foothold | Mekong-Ganga Cooperation |
| Timor-Leste | Dili | Yes (October 2025, 11th member) | Youngest nation in Asia (independent 2002); Timor Sea oil | Observer status before 2025; India supported its ASEAN bid |
Note: Timor-Leste joined ASEAN as the 11th member on 26 October 2025 — this is a major current-affairs update; prelims options stating "10 members" are now outdated.
India's Southeast Asia Connectivity Projects
| Project | Countries | Status (as of 2026) | Significance |
|---|---|---|---|
| Kaladan Multimodal Transit Transport Project (KMTTP) | India, Myanmar | Partial completion; Paletwa-Zorinpui road section under construction; target 2027; controlled by Arakan Army in Rakhine | Connects Kolkata to Sittwe (Myanmar) by sea; then river route to Paletwa; then road to Mizoram — opens NE India to Bay of Bengal |
| India-Myanmar-Thailand Trilateral Highway (IMT-TH) | India, Myanmar, Thailand | Delayed; new target 2027; Myanmar civil war is major obstacle | 1,360 km road from Moreh (India) via Mandalay to Mae Sot (Thailand); extends potentially to Cambodia/Vietnam |
| ASEAN-India FTA (AIFTA) | India + 10 ASEAN nations | In force (goods since 2010); review ongoing; India seeking renegotiation of trade deficit concerns | Largest free-trade area by population |
| Mekong-Ganga Cooperation (MGC) | India, Myanmar, Laos, Thailand, Cambodia, Vietnam | Active; cultural and tourism focus | India's cultural connectivity with Mekong basin nations |
5. Central Asia
The five Central Asian states (Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan) are all landlocked former Soviet republics. India lacks direct land access — all connectivity requires third-country transit (Iran via Chabahar, or Russia via INSTC).
| Country | Capital | Key Resource | India Relations | Connectivity Projects |
|---|---|---|---|---|
| Kazakhstan | Astana (formerly Nur-Sultan) | Oil, gas (Tengiz, Kashagan fields); uranium (world's largest producer); wheat | SCO partner; India-Central Asia Summit (2022); uranium supply for nuclear energy | INSTC (13 members); Chabahar Port route |
| Kyrgyzstan | Bishkek | Hydropower; gold; mountainous (Tian Shan) | SCO partner; limited bilateral trade | INSTC; Ashgabat Agreement |
| Tajikistan | Dushanbe | Hydropower (Rogun Dam — world's tallest under construction); aluminium | SCO partner; India has military base at Ayni airbase (strategic foothold) | INSTC |
| Turkmenistan | Ashgabat | World's fourth-largest natural gas reserves (Galkynysh field); Karakum Desert | Bilateral ties; TAPI pipeline is key linkage; Turkmenistan is neutral (not SCO member) | TAPI pipeline (Turkmenistan section completed; Afghanistan section underway — 14 km laid as of 2025); INSTC (Turkmenbashi port) |
| Uzbekistan | Tashkent | Cotton, gold, uranium; ancient Silk Road cities (Samarkand, Bukhara, Khiva) | SCO partner; 2022 SCO Summit in Samarkand; growing trade ties | INSTC; Ashgabat Agreement |
Key Connectivity Frameworks
| Framework | Members (relevant) | India's Role | Status |
|---|---|---|---|
| INSTC (International North-South Transport Corridor) | 13 members including India, Iran, Russia, Azerbaijan, Kazakhstan, Turkmenistan | Founding member (2000, St. Petersburg); uses Chabahar Port as entry point | Cargo grew 19% in 2024; Chabahar exempted from US sanctions (India-specific waiver) |
| TAPI Pipeline | Turkmenistan, Afghanistan, Pakistan, India | End user (gas import); security concerns over Afghanistan section | Turkmenistan section complete; Afghanistan section has 14 km laid (2025); Pakistan-India tensions stall further progress |
| Chabahar Port (Iran) | India, Iran, Afghanistan (transit) | India developed and operates Shahid Beheshti terminal; exempted from US sanctions | Operational; India signed 10-year lease agreement (May 2024) |
| Ashgabat Agreement | India, Iran, Oman, Turkmenistan, Uzbekistan, Kazakhstan | India joined 2018 | Multimodal transport agreement for Central Asia-Persian Gulf connectivity |
| SCO | India, China, Russia, Pakistan, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, Iran, Belarus | Full member since 2017; hosted SCO Summit 2023 (New Delhi) | India navigates complex dynamics (China-Pakistan presence); 25th Summit in Tianjin (2025) |
| India-Central Asia Summit | India + 5 CA states | Hosted by India (January 2022, virtual; first ever) | Annual mechanism; Chabahar and INSTC are priority themes |
6. West Asia / Middle East
Key UPSC themes: Indian diaspora (~9 million in Gulf states; total remittances record $129.4 billion in 2024), oil imports (Russia is now India's largest supplier at ~36% in 2024; Iraq is second at ~21%), Iran sanctions, Abraham Accords, Israel-Gaza war, Houthi Red Sea attacks, I2U2, IMEC.
| Country | Capital | Key Resource / Feature | India Relations | Recent Flashpoint / UPSC Angle |
|---|---|---|---|---|
| Saudi Arabia | Riyadh | World's second-largest oil reserves; Ghawar oilfield; Mecca and Medina (holy cities) | Large Indian diaspora; $6B+ remittances; Vision 2030 investment ties; I2U2; IMEC signatory | OPEC leader; Abraham Accords (did not sign); Saudi-Iran normalisation (2023, China-brokered) |
| UAE | Abu Dhabi | Oil, gas; global trade/finance hub (Dubai); JBIC port | 3.5M+ Indian diaspora (largest); UPI live in UAE; CEPA (2022); I2U2 member; Abraham Accords signatory (2020) | Abraham Accords; I2U2; IMEC; largest recipient of Indian diaspora in Gulf |
| Iran | Tehran | Oil, gas; Strait of Hormuz control; Zagros Mountains | Strategic: Chabahar Port; India buys Iranian oil (sanctions-complicating); SCO dialogue partner | US sanctions; Chabahar Port (India exempted from sanctions, 10-year lease 2024); Iran-Israel tensions (Apr 2024 — direct Iran-Israel strikes); nuclear programme (JCPOA) |
| Iraq | Baghdad | World's fifth-largest oil reserves; Tigris-Euphrates civilization | India's second-largest crude oil supplier (21% of India's imports in 2024; surpassed by Russia which holds ~36%) | OPEC member; Da'esh (ISIS) aftermath; PMF militias; US military presence |
| Kuwait | Kuwait City | Major oil exporter; flat desert terrain | Large Indian diaspora (~1M); significant remittances | Gulf War 1990 (Iraq invaded Kuwait); OPEC member |
| Qatar | Doha | World's third-largest natural gas reserves (North Field); LNG exporter | Indian diaspora (~700K); LNG imports to India; FIFA World Cup 2022 | FIFA 2022 host; Al Jazeera; blockade by Saudi/UAE/Bahrain/Egypt (2017–2021) |
| Bahrain | Manama | Financial centre; oil (declining); US Fifth Fleet HQ | Indian diaspora; strong bilateral ties; Abraham Accords signatory (2020) | Abraham Accords; US Naval base; GCC member |
| Oman | Muscat | Oil, gas; Strait of Hormuz access; maritime tradition | Strong ties; large Indian diaspora; INSTC member; historically close relationship | Duqm Port (India has access rights); one of most balanced Gulf states in geopolitics |
| Jordan | Amman | Phosphates; Dead Sea; strategic location | Warm ties; Abraham Accords (Jordan signed peace with Israel in 1994, pre-Accords) | Palestinian refugee population; Wadi Rum; Abraham Accords: Jordan did not join 2020 Accords |
| Israel | Jerusalem (claimed); Tel Aviv (international offices) | High-tech economy; defence industry; Dead Sea minerals; no oil | I2U2 member; defence partner (Barak missiles, UAVs); IMEC route | Israel-Gaza War (October 2023 onwards — Hamas attack triggering IDF ground offensive); Abraham Accords (2020); I2U2 |
| Lebanon | Beirut | Mediterranean coast; banking; Hezbollah stronghold | Indian peacekeepers (UNIFIL) | Hezbollah-Israel conflict (escalated 2024); economic collapse; political vacuum |
| Syria | Damascus | Oil (declining); fertile Euphrates valley; Mediterranean coast | Limited ties | Civil war (2011–); Assad government fell December 2024; HTS (Hayat Tahrir al-Sham) controls Damascus |
| Yemen | Sanaa (formal); Aden (internationally recognised govt) | Oil; strategic Red Sea / Gulf of Aden position | Humanitarian concerns; Indian evacuations (Operation Raahat, 2015) | Houthi attacks on Red Sea shipping (November 2023 onwards); Bab-el-Mandeb chokepoint; Saudi-led coalition |
| Turkey | Ankara | Bosphorus and Dardanelles control; large economy; NATO member | Complex: Turkey opposes India's Kashmir position; supports Pakistan | NATO member; Erdogan's "neo-Ottoman" policy; Turkey-Greece tensions; HADITF; observer in D-8 |
Key West Asia Frameworks / Events for UPSC
| Framework / Event | Year | Countries | Key Facts |
|---|---|---|---|
| Abraham Accords | 2020 | Israel, UAE (Sep 2020), Bahrain (Sep 2020), Sudan (Oct 2020, unratified), Morocco (Dec 2020) | US-brokered normalisation of Israel-Arab relations; first since Jordan-Israel peace (1994) |
| I2U2 Group | Formed 2021 (ministerial); first leaders' summit July 2022 | India, Israel, UAE, USA | Focus: water, energy, transport, food security, technology; UAE investing $2B in food parks in India; renewable energy project in Gujarat |
| IMEC (India-Middle East-Europe Economic Corridor) | Announced G20 New Delhi Summit, 9 Sep 2023 | India, UAE, Saudi Arabia, Jordan, Israel, EU, USA, France, Germany, Italy | Multi-modal corridor (rail + sea) linking India to Europe via Gulf; MoU signed at G20; Israel-Gaza war has stalled implementation |
| Red Sea Crisis / Houthi attacks | Nov 2023 onwards | Yemen (Houthis), international shipping, USA/UK (Operation Prosperity Guardian) | Houthis seized Galaxy Leader (19 Nov 2023); ~190 attacks by Oct 2024; 90% drop in container traffic through Red Sea; ships diverted via Cape of Good Hope (+11,000 nautical miles, +10 days) |
| Iran-Israel Direct Strikes | April 2024 | Iran, Israel | First-ever direct Iranian strikes on Israel (April 13, 2024 — drones/missiles); Israel retaliated (April 19); major escalation |
| Saudi-Iran Normalisation | March 2023 | Saudi Arabia, Iran, China (broker) | China brokered resumption of diplomatic relations; embassies reopened; significant shift in Gulf geopolitics |
7. Caucasus
The South Caucasus (Armenia, Azerbaijan, Georgia) sits between the Black Sea and the Caspian Sea, bordered by Russia (north), Turkey (southwest), and Iran (south). The region is strategically important for energy transit (Baku-Tbilisi-Ceyhan pipeline) and connects Central Asia to Europe.
| Country | Capital | Key Dispute / Feature | India Relations | Recent Development |
|---|---|---|---|---|
| Armenia | Yerevan | Nagorno-Karabakh (lost to Azerbaijan, Sep 2023); landlocked | Warm ties; large Armenian community; India supplied artillery shells | Post-Karabakh pivot: Armenia distancing from Russia; pursuing EU Association Agreement; US arms deals; France military cooperation |
| Azerbaijan | Baku | Caspian Sea oil and gas; Baku-Tbilisi-Ceyhan pipeline; Nagorno-Karabakh (now fully controlled) | Limited ties; close Pakistan ally (complicates India relations) | Azerbaijan launched military offensive on Nagorno-Karabakh (19-20 Sep 2023); ceasefire within 24 hours; Republic of Artsakh dissolved by 1 January 2024; ~100,000 ethnic Armenians fled |
| Georgia | Tbilisi | Black Sea coast; Caucasus Mountains; transit corridor | Limited ties; India visa-on-arrival; some trade | NATO aspirant; Russia occupied South Ossetia and Abkhazia (2008); "Foreign Agents Law" controversy (2024) |
Nagorno-Karabakh: Key Facts for UPSC
Nagorno-Karabakh is an enclave inside Azerbaijan populated predominantly by ethnic Armenians. Azerbaijan launched a 24-hour military offensive on 19-20 September 2023 and took full control of the territory, ending three decades of de facto Armenian control. The Republic of Artsakh (self-declared) formally dissolved on 1 January 2024. Approximately 100,000 ethnic Armenians fled to Armenia — one of the largest displacement events in the post-Soviet space. Armenia is now reassessing its security alliances, moving away from Russia (CSTO) and toward the EU and USA.
8. South Asia (including India)
South Asia is home to about 2 billion people — nearly one-quarter of the world's population — packed into a relatively compact landmass. India is the dominant nation by land area, population, economy, and military power. The sub-region is defined by shared geography (Himalayan system, Bay of Bengal, Arabian Sea) and complex historical, political, and cultural ties.
| Country | Capital | Key Geographic Feature / Resource | India's Relationship |
|---|---|---|---|
| India | New Delhi | Himalayan system; Deccan Plateau; Ganga-Brahmaputra basin; 7,500 km coastline; world's largest democracy | Central actor in South Asia; founding member of SAARC and BIMSTEC; Neighbourhood First Policy |
| Bangladesh | Dhaka | Ganga-Brahmaputra-Meghna delta; Bay of Bengal coast; largest river delta in the world; jute and garments | Shared rivers (Teesta water-sharing dispute); Land Boundary Agreement (2015); BIMSTEC; Bangladeshi migrants to India a political issue; Bangladesh political crisis (Sheikh Hasina resigned Aug 2024) |
| Sri Lanka | Sri Jayawardenepura Kotte (legislative); Colombo (commercial) | Island nation; Palk Strait separates from India; Trincomalee harbour; tea, rubber, gems | Historical ties; India intervened (IPKF 1987-90); Sri Lanka economic crisis (2022) — India provided $4B+ relief; India-Sri Lanka connectivity (power grid, BSNL cable) |
| Nepal | Kathmandu | Landlocked; Himalayas (contains 8 of world's 14 highest peaks including Everest 8,848.86 m); hydropower potential | "Roti-Beti" (deep civilisational ties); transit dependence on India; Kalapani-Lipulek-Limpiyadhura border dispute; Eminent Persons' Group (EPG) report pending |
| Bhutan | Thimphu | Landlocked; eastern Himalayas; hydropower; Doklam plateau | Special relationship; India the dominant trade/security partner; Doklam standoff (2017, India-China-Bhutan trijunction); Bhutan-China boundary talks (ongoing) |
| Pakistan | Islamabad | Indus River plains; Thar Desert (eastern); Karakoram (north); K2; Gwadar Port (CPEC) | Hostile; two major wars (1965, 1971); Kargil War (1999); Line of Control (LoC) in J&K; India's official position: Pakistan illegally occupies parts of J&K (PoJK — Pakistan-occupied Jammu & Kashmir) and Gilgit-Baltistan; SAARC stalled since 2016 |
| Afghanistan | Kabul | Landlocked; Hindu Kush mountains; Helmand River; poppy production | India has no land border with Afghanistan; provided $3B+ in reconstruction aid; Taliban returned to power (August 2021); India reopened technical mission in Kabul (June 2022); TAPI pipeline and Chabahar route critical |
| Maldives | Malé | Archipelago of ~1,200 coral islands; lowest-lying nation (average 1.5 m above sea level); vulnerable to sea-level rise; tourism economy | Neighbourhood First Policy; "India First" vs "India Out" political dynamic; President Muizzu elected 2023 (China-leaning pivot); India withdrew military personnel (2024); critical for India's maritime security in the Indian Ocean |
9. Key International Organisations (Asia-focused)
| Organisation | HQ | Members | India's Role | Key Facts |
|---|---|---|---|---|
| ASEAN | Jakarta, Indonesia | 11 members (as of Oct 2025): Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Thailand, Timor-Leste, Vietnam | Dialogue partner; ASEAN-India FTA (2010) | Founded 8 Aug 1967; Timor-Leste is 11th member (Oct 2025) — UPSC prelims critical update |
| SCO (Shanghai Cooperation Organisation) | Beijing, China | 10 members: China, Russia, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, India, Pakistan, Iran, Belarus | Full member since 2017; hosted 2023 SCO Summit (New Delhi) | Iran joined Jul 2023; Belarus joined Jul 2024; 25th Summit in Tianjin (2025) |
| SAARC (South Asian Association for Regional Cooperation) | Kathmandu, Nepal | 8 members: Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, Sri Lanka | Largest member; SAARC effectively stalled since 2016 Islamabad Summit cancelled | Founded 1985 (Dhaka); Secretariat in Kathmandu (est. 1987); last summit 2014 |
| BIMSTEC (Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation) | Dhaka, Bangladesh | 7 members: Bangladesh, Bhutan, India, Myanmar, Nepal, Sri Lanka, Thailand | Active member; BIMSTEC seen as alternative to stalled SAARC | Charter adopted 30 Mar 2022 (5th Summit, Colombo); connects South Asia and Southeast Asia |
| GCC (Gulf Cooperation Council) | Riyadh, Saudi Arabia | 6 members: Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, UAE | Not a member; India is GCC's largest trading partner | Founded 25 May 1981; India-GCC FTA negotiations ongoing (as of 2025) |
| Arab League | Cairo, Egypt | 22 member states | Not a member; India has observer-level engagement | Founded 22 Mar 1945; temporarily headquartered in Tunis (1979-90) after Egypt's expulsion |
| OIC (Organisation of Islamic Cooperation) | Jeddah, Saudi Arabia | 57 member states | Not a member; Pakistan has used OIC platform against India on Kashmir | Second-largest intergovernmental organisation after UN; India has observer context only |
10. Major Conflicts and Current Affairs (Asia, 2022–2026)
| Conflict / Issue | Countries Involved | Status | India's Position |
|---|---|---|---|
| Russia-Ukraine War (Asia angle) | Russia, Ukraine; Central Asia affected | Ongoing (Feb 2022 onwards) | Strategic autonomy; abstained on UNGA resolutions; benefited from discounted Russian oil (~36% of India's crude imports in 2024); "not the era of war" (Modi to Putin, Samarkand 2022) |
| Israel-Gaza War | Israel, Hamas (Gaza), Iran (proxy), Hezbollah | Ongoing (October 2023 Hamas attack triggered IDF ground offensive; ceasefire phases from early 2025) | India condemned Hamas attack; called for humanitarian corridor; abstained on several UNGA votes; IMEC stalled due to conflict |
| Houthi Red Sea Attacks | Yemen (Houthis), international shipping, US/UK (Operation Prosperity Guardian) | Ongoing; attacks began November 2023 targeting ships linked to Israel; expanded to broader international shipping | Called for freedom of navigation; Indian naval ships deployed in region for escort duties (INS Kolkata and others) |
| Taiwan Strait Tensions | China, Taiwan, USA | Escalating; PLA exercises: Joint Sword-2024B (Oct 2024), Strait Thunder-2025A (Apr 2025), Justice Mission 2025 (Dec 2025) | India officially adheres to One China Policy; unofficial ties with Taiwan growing (semiconductors, TSMC) |
| Myanmar Civil War | Myanmar military (SAC/Tatmadaw) vs ethnic armed groups (Arakan Army, PDF, etc.) | Ongoing (coup Feb 2021); Arakan Army captured 80%+ of Rakhine State by end-2024; SAC dissolved, power transferred Jul 2025 | Engages both junta and ethnic armies; critical for Kaladan project and Act East Policy; Operation Sunrise 2 (cross-border anti-insurgency coordination) |
| Afghanistan (Taliban Rule) | Afghanistan, Pakistan, India (indirect) | Taliban in power since Aug 2021; no international recognition; India reopened diplomatic presence (Kabul) | India reopened technical mission in Kabul (June 2022); concerned about Pakistani-sponsored terrorism; TAPI pipeline implications |
| South China Sea | China, Philippines, Vietnam, Malaysia, Brunei, Taiwan | Ongoing; China-Philippines confrontations intensified in 2024 (Scarborough Shoal, Second Thomas Shoal) | India supports UNCLOS and freedom of navigation; ONGC Videsh has oil blocks in Vietnam's EEZ (contested by China); supports 2016 PCA ruling |
| North Korea Missile Tests | North Korea, USA, Japan, South Korea | Continued ICBM tests; Kim-Putin summit (Sep 2023); North Korea sent troops to Russia (2024) | India calls for denuclearisation of Korean Peninsula; limited bilateral ties with North Korea |
| Iran-Israel Direct Confrontation | Iran, Israel | April 2024: Iran fired drones/ballistic missiles directly at Israel (first time); Israel retaliated; risk of wider war | Bilateral relations with both; called for de-escalation; Chabahar Port adds strategic complexity |
Exam Strategy
Prelims Traps and Common Errors
ASEAN membership count: ASEAN had 10 members until 26 October 2025, when Timor-Leste became the 11th member. Options in older question papers stating "10 members" are outdated. As of 2026, the correct answer is 11 members.
Mekong vs. Irrawaddy: The Mekong (Lancang in China) flows through China, Myanmar, Laos, Thailand, Cambodia, and Vietnam, emptying into the South China Sea. The Irrawaddy (Ayeyarwady) flows entirely within Myanmar and empties into the Andaman Sea. These rivers are frequently confused in prelims questions.
Caspian Sea littoral states: Exactly five countries border the Caspian Sea — Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan. Not six. The 2018 Aktau Convention settled long-standing legal disputes.
Iraq vs Russia as India's oil supplier: Russia surpassed Iraq to become India's largest crude oil supplier from 2023 onwards, reaching ~36% market share in 2024. Iraq is the second-largest at ~21%. Prelims questions based on pre-2022 data may incorrectly show Iraq as the top supplier.
I2U2 membership: I2U2 = India, Israel, UAE, USA. It is sometimes called the "Middle Eastern Quad." Not to be confused with the Quad (India, Japan, Australia, USA) which is an Indo-Pacific grouping.
SAARC vs BIMSTEC: SAARC has 8 members (all South Asian nations including Afghanistan); BIMSTEC has 7 members (5 South Asian + Myanmar + Thailand, notably no Afghanistan or Pakistan). BIMSTEC is currently more active than SAARC.
Abraham Accords: The UAE and Bahrain signed on 15 September 2020; Sudan agreed 23 October 2020 (unratified as of 2024); Morocco agreed 10 December 2020. Saudi Arabia has not signed the Abraham Accords as of 2026.
Dead Sea: Bordered by Israel, Jordan, and the Palestinian West Bank — it is not surrounded by three sovereign states. The lowest point on Earth's land surface (~430 m below sea level).
Lake Baikal: The world's deepest lake (1,642 m) and largest freshwater lake by volume — NOT the largest by surface area (that is the Caspian Sea, which is saline). Located in Siberia, Russia. UNESCO World Heritage Site.
Nagorno-Karabakh: Azerbaijan took full military control in September 2023 (24-hour offensive). The Republic of Artsakh dissolved on 1 January 2024. This is no longer an "ongoing frozen conflict" but a resolved territorial issue.
SCO members (2026): 10 full members. Belarus joined July 2024 (10th member). Mongolia and Afghanistan are observers, not full members.
High-Yield Mapping Topics (Atlas Focus)
Study the following on a map before the exam:
- Countries bordering the South China Sea (6 claimants)
- The five Caspian Sea littoral states
- Countries through which the Mekong river flows (6 countries)
- ASEAN member states and their capitals
- Countries of Central Asia and their capitals (all 5 are landlocked)
- The route of INSTC: Mumbai → Bandar Abbas (Iran) → Baku (Azerbaijan) → Moscow
- The route of TAPI: Turkmenistan → Herat (Afghanistan) → Multan (Pakistan) → Fazilka (India)
- Countries that signed Abraham Accords (UAE, Bahrain, Sudan, Morocco)
Previous Year Questions
Prelims:
-
Consider the following statements about ASEAN:
- ASEAN was founded in 1967 with five founding members.
- The headquarters of ASEAN is in Singapore.
- As of 2026, ASEAN has 11 member states.
Which of the statements given above is/are correct?
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
Answer: (b) — ASEAN HQ is in Jakarta (not Singapore); it has 11 members (Timor-Leste joining), so statements 1 and 3 are correct.
- ASEAN was founded in 1967 with five founding members.
-
With reference to the International North-South Transport Corridor (INSTC), consider the following statements:
- It was established in 2000 by India, Iran, and Russia.
- It connects India to Europe via Central Asia, bypassing Pakistan.
- The Chabahar Port in Iran serves as India's entry point into the corridor.
Which of the statements given above are correct?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Answer: (d) — All three statements about INSTC are correct: founded 2000 by India-Iran-Russia, bypasses Pakistan, uses Chabahar.
- It was established in 2000 by India, Iran, and Russia.
-
Which of the following countries are littoral states of the Caspian Sea?
- Russia
- Kazakhstan
- Uzbekistan
- Turkmenistan
- Azerbaijan
Select the correct answer using the code below:
(a) 1, 2, 4 and 5 only
(b) 1, 3, 4 and 5 only
(c) 2, 3 and 4 only
(d) 1, 2, 3, 4 and 5
Answer: (a) — Uzbekistan is landlocked and does not border the Caspian Sea; the five littoral states are Russia, Kazakhstan, Azerbaijan, Turkmenistan, and Iran.
- Russia
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