A
1 AD 一 Anno Domini
2 AASU 一 All Assam Students Union
3 ABM 一 Anti Ballistics Missile
4 ABSU 一 All Bodo Students Union
5 AFFI 一 Amateur Athlete Federation of India
6 AEC 一 Automatic Energy Commission
7 AERA 一 Airport Economic Regularity Authority
8 AICC 一 All Indian Congress Community
9 AIDS 一 Acquired Immune Deficiency Syndrome
10 AHVS 一 Animal Husbandry Veterinary and Services
11 AIL 一 Aeronautics India Limited
12 AIBEA 一 All India Bank Employee Association
13 AIMPLB 一 All India Muslim Personal Law Board
14 AITUC 一 All India Trade Union Congress
15 AMRUT 一 Atal Mission for Rejuvenation and Urban Transformation
16 APEC 一 Asia Pacific Economic Cooperation
17 APY 一 Atal Pension Yojana
18 ASSOCHAM 一 Associated Chamber Of Commerce And Industry
19 ATM 一 Automatic Teller Machine
20 ATS 一 Anti Tetanus Serum
21 AU 一 Africa Union
22 AVC 一 Army Veterinary Core
23 AWACS 一 Airborne Warning And Control System
B
24 BALCO 一 Bharat Aluminium Company
25 BARC 一 Bhabha Automatic Research Centre
26 BBC 一 British Broadcasting Cooperation
27 BCCI 一 Board of Control for Cricket in Indian
28 BCG 一 Bacille Clamette Guerin
29 BDCA 一 Border Defence Cooperation Agreement
30 BHEL 一 Bharat Heavy Electronics Limited
31 BHIM 一 Bharat Interface for Money
32 BIFR 一 Board for Industrial and Financial Reconstruction
33 BIT 一 Binary Digit
34 BIS 一 British Information Services
35 BOT 一 Build Operate and Transfer
36 BOSS 一 Bharat Operating System Solution
37 BPO 一 Business Process Outsourcing
38 BRAIN 一 Brain Research through Advancing Innovative Neurotechnology
39 BSNL 一 Bharati Sanchar Nagar Limited
40 BTIA 一 Bilateral Trade and Investment Agreement
C
41 CAA 一 Citizenship Admitted Act
42 CAD 一 Command Area Development
43 CAG 一 Comptroller and Auditor General
44 CVR 一 Complete Voice Recorder
45 CWC 一 Chemical Weapons Convention
46 CAZRI 一 Central Arid Zone Research Institute
47 CBDT 一 Central Board of Direct Taxes
48 CBFC 一 Central Board of Film Certification
49 CBI 一 Central Bureau of Investigation
50 CBS 一 Core Banking Solution
51 CCRT 一 Centre for Cultural Resources and Training
52 CDMP 一 Comprehensive Development Master Plan
53 CDP 一 Community Development Program
54 CDS 一 Chief of Defence Staff
55 CERT 一 Computer Emergency Response Team
56 CFSL 一 Central Forensic Science Laboratory
57 CFTRI 一 Central Food Technological Research Institute
58 CHTI 一 Central Hindi Training Institute
59 CIA 一 Central Intelligence Agency
60 CID 一 Criminal Investigation Department
61 CII 一 Confederation of Indian Industry
62 CISF 一 Central Industrial Security Force
63 CLASS 一 Computer Literacy And Study in School
64 CNG 一 Compressed Natural Gas
65 CNN 一 Cable News Network
66 COAI 一 Cellular Operators Association of India
67 COP 一 Conference Of the Party
68 CPU 一 Central Processing Unit
69 CPRI 一 Central Power Research Institute
70 CPRF 一 Central Reserve Public Force
71 CRR 一 Cash Reserve Ratio
72 CSAT 一 Civil Services Aptitude Test
73 CEO 一 Chief Executive Officer
74 CSO 一 Central Statistics Organization
75 CTBT 一 Comprehensive Test Ban Treaty
76 CTS 一 Computerized Tomography Scanner
77 CVC 一 Central Vigilance Commission
78 CARE 一 Cooperative for Assistance and Refief Everywhere
79 CAT 一 Centre for Advance Technology / Computer Added Design
D
80 DBT 一 Direct Benefit Transfer
81 DDT 一 Di-chloro Di - phenyl Tri-ethane
82 DGCA 一 Director General of Civil Aviation
83 DIA 一 Defence Intelligence Agency
84 DLF 一 Delhi Land and Finance
85 DLO 一 Dead Letter Office
86 DPB 一 Defence Procurement Board
87 DNA 一 Dioxyribo Nucleic Acid
88 DPAP 一 Dot Prone Area Program
89 DPT 一 Diptheria Pertussis Tetanus
90 DTH 一 Direct To Home
91 DSP 一 Digital Signal Processing
92 DST 一 Department of Science and Technology
93 DRDL 一 Defence Research and Development Laboratory
94 DARGP 一 Department of Administrative Reforms and Public Governance
95 DRDO 一 Defence Research and Development Organization
E
96 EAS 一 Employment Assurance Scheme
97 ECB 一 European Central Bank
98 ECG 一 Electro Cardiography
99 ECIL 一 Electronics Cooperation of India Limited
100 ECS 一 Electronics Clearing Service
101 EEC 一 European Economic Community
102 EEU 一 Assurances Economic Union
103 EFTA 一 European Free Trade Association
104 EPZ 一 Export Processing Zone
105 ERS 一 Europe Remote Sensing Satellite
106 ESA 一 European Space Agency
107 EVM 一 Electronic Voting Machine
108 EVTR 一 Electro Video Tape Recording
109 ERDA 一 Energy Research and Development Administrative
110 ESCAP 一 Economic and Social Commission for Asia And Pacific
F
111 FBI 一 Federal Bureau of Investigation
112 FBTR 一 Fast Breeder Test Reactor
113 FDR 一 Flight Data Recorder
114 FERA 一 Foreign Exchange Regulation Act
115 FFI 一 Film Federation of India
116 FIR 一 First Information Report
117 FM 一 Frequency Modulation
118 FRP 一 Fair and Remunerative Prices
119 FRS 一 Fellow of the Royal Society
120 FTZ 一 Free Trade Zone
121 FICCI 一 Federation of Indian Chambers of Commerce Industry
122 FRIBA 一 Fellow of the Royal Institute of British Architecture
G
123 GAIL 一 Gas Authority of India Limited
124 GAP 一 Ganga Action Plan
124 GATE 一 Graduate Aptitude Test in Engineering
125 GATT 一 General Agreement on Tariffs and Trade
126 GDP 一 Gross Domestic Product
127 GFCI 一 Global Financial Centre Index
128 GM 一 Genetically Modified
129 GETF 一 Gold Exchange Trade Fund
130 GIC 一 General Ensurance Cooperation
131 GMC 一 Genetically Modified Crops
132 GMO 一 Genetically Modified Organism
133 GMT 一 Greenwich Mean Time
134 GNP 一 Green National Product
135 GPF 一 General Product Fund
136 GPO 一 General Post Office
137 GPS 一 Global Position System
138 GPRS 一 General Pocket Radio Service
139 GSM 一 Global System for Mobile Communication
140 GST 一 Good Service Tax
141 GWLC 一 Games and Wild Life Conservation
H
142 HAL 一 Hindustan Aeronautics Limited
143 HDF 一 Housing Development Finance Cooperation
144 HEL 一 Hevay Electronics Limited
145 HIV 一 Human Immuno Deficiency Virus
146 HMI 一 Himalayan Mountaineering Institute
147 HRW 一 Human Right Watch
148 HSRP 一 High Security Registration Plate
149 HUDC 一 Housing and Urban Development Cooperation
I
150 IAS 一 Indian Administrative Service
151 IAEA 一 International Atomic Energy Agency
152 IAMC 一 Indian Army Medical Core
153 IAOC 一 Indian Army Ordinance Core
154 IARI 一 Indian Agricultural Research Institute
155 IBM 一 Indian Bureau of Mines
156 ICBM 一 Inter Continental Ballistics Missile
157 ICMR 一 International Council of Medical Research
158 IFCI 一 Industrial Finance Cooperation of India
159 IFFI 一 International Film Festival of India
160 IIAS 一 Indian Institute of Advance Study
161 IIBM 一 Indian Institute of Business Management
162 IIS 一 Indian Institute of Science
163 IITF 一 Indian International Trade Fair
164 ILO 一 International Labour Organization
165 IMF 一 Indian Monetary Fund
166 INS 一 Indian Novel Ship
167 IPC 一 Indian Pin Code
168 IOC 一 Indian Oil Cooperation
169 INTUC 一 Indian National Trade Union Congress
170 IRBM 一 Intermediate Range Ballistics Missile
171 IRCON 一 Indian Railway Construction Company
172 IRCS 一 Indian Red Cross Society
173 IPS 一 Indian Police Service
174 IRDP 一 Integrated Rural Development Program
175 IRO 一 International Refugee Organization
176 ISI 一 Inter Services Intelligence
177 ISP 一 Internet Service Provider
178 IST 一 Indian Standard Times
179 ITDC 一 Indian Tourism Development Cooperation
180 ITU 一 International Telli- communication Union
181 IUCN 一 International Union for Conversation of Nature
182 IVRI 一 Indian Veterinary Research Institute
183 IBRD 一 International Board for Reconstruction and Development
184 ICAO 一 International Civil Aviation Organization
185 ICAR 一 Indian Council of Agricultural Research
186 ICCI 一 Industrial Credit and Investment Cooperation of India Limited
187 ICRA 一 Investment information and Credit Rating Agency of India
188 IFAD 一 International Fund for Agricultural Development
189 INMAS 一 Institute of Nuclear Medicine and Allied Science
190 IRDAI 一 Insurances Regularity and Development Authority of India
191 IAAI 一 International Airport Authority of India
192 IRNSS 一 Indian Regional Navigation Satellite System
J
193 JAM 一 Jandhan Aadhar Mobile
194 JKLF 一 Jammu Kashmir Liberation Front
195 JWIC 一 Joint Council for the Welfare of Immigrants
196 JNNURM 一 Jawahar lal Nehru National Urban Renewal Mission
K
197 KCC 一 Kisan Credit Card
198 KVK 一 Krish Vigyan Kendra
L
199 LCA 一 Light Compact Aircraft
200 LCD 一 Liquid Crystal Display
201 LED 一 Light Emitting Dinode
202 LIC 一 Life Insurances Cooperation of India
203 LOAC 一 Life Of Actual Control
204 LOC 一 Life Of Control
205 LPG 一 Liquid Petroleum Gas
206 LSD 一 Lysergic acid Diethylamide
207 LTTE 一 Liberation Tigers of Tamil Eelam
208 LASER 一 Light Application by Stimulated Emission of Radiation
209 LIGO 一 Laser Interferometer Gravitational Wave Observation
M
210 MISA 一 Maintenance of Internal Security Act
211 MIT 一 Massachusetts Institute of Technology
212 MLC 一 Member of Legislative Council
213 MMD 一 Mini Missile Defence
214 MMTC 一 Minerals and Metals Training Cooperation
215 MNC 一 Multi-National Cooperation
216 MNP 一 Mobile Number Portability
217 MPPT 一 Maximum Power Point Technics
218 MRTS 一 Marginal Race Technical Substitution
219 MSA 一 Maritimes Safety Agency
220 MRT 一 Micro cordial Replacement Therapy
221 MSCS 一 Multi State Cooperative Society
222 MOU 一 Memorandum Of Understanding
223 MBBS 一 Bachelor of Medicine and Bachelor of Surgery
224 MNREGA 一 Mahatma Gandhi National Rural Employment Guarantee Act
N
225 NCR 一 National Capital Region
226 NPB 一 Nuclear Power Board
227 NBT 一 National Book Trust
228 NGO 一 Non Governmental Organization
229 NAFTA 一 North American Free Trade Agreement
230 NFDC 一 National Film Development Cooperation
231 NGMA 一 National Gallery of Modern Arts
232 NHPC 一 National Hydroelectric Power Cooperation
233 NHRC 一 National Human Right Commission
234 NHM 一 National Horticulture Mission
234 NIC 一 National Integeration Council
235 NPCC 一 National Project Construction Cooperation
236 NPR 一 National Popular Register
237 NPS 一 National Pension Scheme
238 NRC 一 National Register of Citizen
239 NREP 一 National Rural Employment Program
240 NRI 一 Non- Resident Indian
241 NSDA 一 National Skilled Development Agency
242 NSM 一 National Super computing Machine
243 NSS 一 National Service Scheme
244 NSSO 一 National Sample Survey Organization
245 NTPC 一 National Thermal Power Cooperation
246 NTCA 一 National Tiger Conservation Authority
247 NABARD 一 National Bank for Agriculture and Rural Development
248 NACWC 一 National Authority Chemical Weapons Convention
249 NACO 一 National Aids Control Organization
250 NASA 一 National Aeronautics and Space Administration
251 NBBC 一 National Building and Construction Cooperation
252 NCCC 一 National Cyber Coordination Centre
253 NCTC 一 National Counter Tourism Centre
254 NCTE 一 National Council for Teacher Education
255 NCERT 一 National Council of Education Research and Training
256 NIIT 一 National Institute of Information Technology
257 NOIDA 一 New Okhla Industrial Development Authority
258 NITI 一 National Institution for Transforming India
259 NSTI 一 National Science and Technological Laboratory
260 NBCW 一 Nuclear Biological Chemical Welfare
O
261 OIC 一 Organization of Islamic Conference
262 OIL 一 Oil India Limited
263 OMR 一 Optical Mark Reader
264 ONGC 一 Oil and Natural Gas Commission
265 OROP 一 One Rank One Position
266 OSCAR 一 Orbiting Satellite Caring Amateur Radio
267 OSCE 一 Organization for Security and Cooperation in Europe
268 OPEC 一 Organization for Petroleum Exporting Countries
269 OCTOPUS 一 Organization for Counter Terrorism Operation
270 OASIS 一 Old Age Social and Income Security
P
271 PACS 一 Primary Agricultural Credit Society
271 PAN 一 Permanent Account Number
272 PASA 一 Prevention of Anti Social Activity Act
273 PCI 一 Press Council of India
274 PCS 一 Provincial Civil Services
275 PFRDA 一 Pension Fund Regularity and Development Authority
276 PIN 一 Postal Index Number
277 PLA 一 Peoples Liberation Army
278 PMES 一 Performances Monitoring and Evolution System
279 PMNRF 一 Prime Ministers National Relief Fund
280 PPP一 Public Private Partnership
281 POTO一 Prevention of Tourism Audience
282 PSF 一 Price Stablished Fund
283 PSLV一 Polar Satellite Launch Vehicles
284 PUMA一 Personal Urban for Democratic Rights
285 PWD一 Public Work Department
Q
286 QMG一 Quatar Master General
287 OMS一 Quick Mail Service
R
288 RADAR 一 Radio Detective and Ranging
289 RAM 一 Read Access Memory
290 ROM 一 Read Only Memory
291RAW 一 Research and Analysis Wings
292 RBI 一 Reserve Bank of India
293 RKVY 一 Rastriy Krish Vikas Yojana
294 RTO 一 Regional Transport Officer
295RTI 一 Right to Information
296 RTE 一 Right to Education
297 RIDF 一 Rural Infrastructure Development Fund
298 RITES 一 Rail India Technical and Economic Service
299 RDX 一 Research and Development eXplosive
S
300 SAI 一 Sports Authority of India
301 SLV 一 Satellite Launch Vehicles
302 SAIL 一 Steel Authority of India
303 SATO 一 South Athlete Treaty Organization
304 SEATO 一 South East Asia Treaty Organization
305 SEBI 一 Security Exchange Board of India
306 SIM 一 Subscriber Identification Module
307 SIMI 一 Student Islamic Movement of India
308 SLBM 一 Submarine Launch Ballistic Missile
309 SMS 一 Short Messaging Services
310 STD 一 Subscriber Trunk Dialing
311 SAARC 一 South Asian Association for Regional Cooperation
312 SAPTA 一 South Asian preferential Trade Arrangement
313 STEP 一 Satellite Telecommunications Experiments Project
314 STPP 一 Super Thermal Power Production
315 STPI 一 Software Technology Parks of India
316 SWAPO 一 South West African Peoples Organization
318 SWIFT 一 Society for Worldwide Interbank official Telecommunication
T
319 TLCs 一 Tech Learning Centre
320 TAPS 一 Tarapur Atomic Power Station
321 TADA 一 Terrorists And Assertive Activities Prevention Act
322 TELCO 一 Tata Engineer and Locomotive Company
323 TISCO 一 Tata Ion and Steel Company Limited
324 TRAI 一 Telecom Regularity Authority of India
325TRIPS 一 Trade Related Intellectual Property Rights
326 TVOA 一 Tourist Visa On Arrival
U
327 UDI 一 Unilateral Declaration of Independence
328 UIDAI 一 Unique Identification Authority of India
329 ULFA 一 United Liberation Front of Assam
330 UNAEC 一 United Nation Atomic Energy Commission
331 UNDP 一 United Nation Development Program
332 UNO 一 United Nation Organization
333 UNEF 一 United Nation Emergency Force
334 UNEP 一 United Nation Environment Program
335 UNI 一 United News of India
336 UPI 一 Unified Payment Interface
337 UPSC 一 Union Public Service Commission
338 UPTN 一 Universal Personal Telephone Number
339 UPU 一 Universal Postal Union
340 USOF 一 Universal Service Obligation Fund
341 UTN 一 Unique Transition Number
342 UNFCCC 一 United Nation Framework Convention on Climate Change
343 UNESCO 一 United Nation Educational Scientific and Cultural Organization
344 UNICEF 一 United Nation International Children Emergency Fund
345 UNHCR 一 United Nation High Commission for Refuse
V
346 VAT一 Value Added Tax
347 VRS一 Volitary Retirement Scheme
348 VSSC一 Vikram Sarabhai Space Centre
349 VVF一 Value Volunteer Force
W
350 WAY一 World Ambulance of Youth
351 WEF一 World Economic Form
352 WFTU一 World Federation of Trade Union
353 WILL一 Wireless In Local Loop
354 WWF一 World Wild life Fund
355 WWE一 World Wrestle Entertainment
356 WTO一 World Trade Organization
357 WHO一 World Health Organization
358 WWW一 World Wilde Web
Y
359 YMCA一 Young Man Christian Association
360 YWCA一 Young Women Christian Association
Z
361 ZETA 一 Zero Energy Thermo Nuclear Assembly
362 ZS 一 Zoological Society
363 ZUPO 一 Zimbabwe United Peoples Organization
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