1. United Nations and Related OrganisationsOrganisationHQPurpose / Key PointsUNNew York, USAMaintains international peace and security; has 6 principal organs including General assembly & Security Council.
UNICEFNew York, USAChild welfare, education, immunisation.
WHOGeneva, SwitzerlandHealth emergencies, disease control.
IMFWashington D.C., USAInternational monetary stability, balance of payments support.
World BankWashington D.C., USAProvides loans for development projects.
WTOGeneva, SwitzerlandGlobal trade rules and disputes.
FAORome, ItalyFood security and agricultural development.
UNESCOParis, FranceEducation, science, culture, heritage protection.
2. indian Constitutional & Statutory OrganisationsOrganisationYear / Key ActFunctionElection Commission of india (ECI)1950Conducts free & fair elections.
CAG (Comptroller & Auditor General)1971 (CAG Act)Audits government receipts and expenditures.
Finance CommissionArt. 280Recommends distribution of tax revenue between centre & states.
NITI Aayog2015Policy think-tank, replaces Planning Commission.
Union Public service Commission (UPSC)1950Recruitment for civil services and examinations.
RBI1935Central bank of India; monetary policy & currency issuance.
SEBI1992Regulates securities market.
SIDBI1990MSME development and finance.
3. international Financial & Economic OrganisationsOrganisationHQFunctionADBManila, PhilippinesDevelopment finance in Asia-Pacific.
AIIBBeijing, ChinaAsian Infrastructure investment.
BRICS bank / NDBShanghai, ChinaFunding development projects in BRICS countries.
OPECVienna, AustriaCoordinates oil production policies.
G20 / G7VariousGroup of major economies; economic coordination.
4. Defence & Security OrganisationsOrganisationHQ / CountryKey RoleINTERPOLLyon, FranceInternational police cooperation.
NATOBrussels, BelgiumMilitary alliance; collective defence.
SAARCKathmandu, NepalRegional cooperation in South Asia.
ASEANJakarta, IndonesiaEconomic, political & security cooperation in SE Asia.
5. Scientific, Space & Research OrganisationsOrganisationCountryFocusISROIndiaSpace exploration & satellite launch.
DRDOIndiaDefence research and development.
CERNSwitzerlandParticle physics & Large Hadron Collider.
ICMRIndiaMedical research & public health.
CSIRIndiaScientific research across disciplines.
6. Other Key indian OrganisationsOrganisationFunctionFSSAIFood safety regulation.
NABARDAgricultural & rural development funding.
IRDAIInsurance regulatory authority.
PFRDAPension fund regulation.
NBFCsPrivate financial institutions regulated by RBI.
NHRCHuman rights protection.
ICAI / ICSI / ICMAIProfessional accounting and finance bodies.
Tips for UPSC Prelims RevisionMake a flashcard for each organisation with HQ, function, year of establishment.
Group organisations by category: UN, financial, constitutional, scientific, etc.
Remember mnemonics: e.g.,
“World bank and IMF work in Washington D.C.”Revision frequency: Go through these notes
daily 10‑15 min to retain HQ + function.
Keep updated: Some organisations like AIIB, NDB, or G20 leadership rotate; check latest news.
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