The following are some of the Terms and Abbreviations that are very important:- IAEA – International Atomic Energy Agency
- BIMSTEC – Bay of Bengal Initiative for Multi Sectoral Technical and Economic Cooperation
- ISRO – Indian Space Research Organisation
- WTO – World Trade Organisation
- NASA – National Aeronautics and Space Administration
- Interpol – International Criminal Police Organization
- UNICEF – United Nations Children’s Fund
- FAO – Food and Agriculture Organisation
- ILO – International Labour Organization
- ISO – International Standard Organisation
- AU – African Union
- SAARC – South Asian Association for Regional Cooperation
- UNDP – United Nations Development Program
- NAFTA – North American Free Trade Agreement
- NSG – Nuclear Suppliers Group
- OECD – Organization for Economic Cooperation and Development
- GCC – Gulf Cooperation Council
- IDA – International Development Association
- ADS – Air Defence Ship
- APEDA – Agricultural and Processed Food Products Export Development Authority
- ASEAN – Association of South East Asian Nations
- BIS – Bureau of Indian Standards
- CAG – Comptroller and Auditor General
- CCS – Cabinet Committee on Security
- C-DAC – Centre for Development of Advance Computing
- BOAS – British Overseas Airways Corporation
- CDRI – Central Drug Research Institute
- CPO – Central Passport Organisation
- CRPF – Central Reserve Police Force
- CVC – Central Vigilance Commission
- DMRC – Delhi Metro Railway Corporation
- EPABX – Electronic Private Automatic Branch Exchange
- FERA – Foreign Exchange Regulation Act
- FICA – Federation of International Cricketer’s Association
- GAIL – Gas Authority of India Limited
- GPS – Global Positioning System
- HYVS – High Yield Variety Seeds
- IAAI – International Airport Authority of India
- ICSSR – Indian Council of Scientific and Social Research
- IQ – Intelligence Quotient
- NBRA – National Biotechnology Regulatory Authority
- NIDC – National Industrial Development Corporation
- PIL – Public Interest Litigation
- TRAI – Telecom Regulatory Authority of India
- TTFI – Table Tennis Federation of India
- UNCTAD – United Nations Conference on Trade and Development
- VPP – Value Payable Post
- VSNL – Videsh Sanchar Nigam Limited
- WCCB – Wildlife Crime Control Bureau
- WIPO – World Intellectual Property Organisation
- WWF – World Wildlife Fund
- WSIS – World Summit on Information Society
- XBB – Zero Based Budgeting
- ZSI – Zoological Survey of India