| 3G |
Third Generation |
| AAA |
Asian Athletics Association |
| AAFI |
The Amateur Athletics Federation of India |
| AAPSO |
Afro-Asian People's Solidarity Organization |
| AASU |
All Assam Students Union |
| ABM |
Anti Ballistic Missile |
| AC |
Ante Christum (Before Christ), Ashok Chakra, Air Conditioner |
| ACC |
Anxillary Cadet Core |
| AD |
Ano Domini (After the birth of Jesus) |
| ADB |
Asian Development Bank |
| AERE |
Atomic Energy Research Establishment |
| AFI |
Athletics Federation of India |
| AFMC |
Armed Forces Medical College |
| AGOC |
Asian Games Organization Committee |
| AI |
Artifical Intelligence, Air India |
| AICC |
All India Congress Committee |
| AICTE |
All India Council for Technical Education |
| AIDS |
Acquired Immuno Deficiency Syndrome |
| AIFF |
All India Football Federation |
| AIIMS |
All India Institute of Medical Science |
| AIL |
Aeronautics India Limited |
| AIMPLB |
All India Muslim Personal Law Board |
| AIR |
All India Radio (Broadcasting) |
| AITUC |
All India Trade Union Congress |
| AlFF |
All India Football Federation |
| ALGOL |
Algebric Oriented Language |
| AM |
Ante Meridiem (before Noon), Amplitude Modulation |
| ANC |
African National Congress |
| APEC |
Asia Pacific Economic Cooperation |
| APECF |
 Asia Pacific Exchange and Cooperation Foundation |
| APSC |
Army Postal Services Core |
| ARPANET |
Advanced Research Project Agency Network |
| ASCII |
American Standard Code for Informa­tion Interchange |
| ASEAN |
Association of South East Asian Na­tions |
| ASI |
Archaeological Survey of India |
| ASLV |
Augmented Satellite Launch Vehicle |
| ASSOCHAM |
Associated Chamber of Commerce and Industry (India) |
| ASWAC |
Airborne Surveillance Warning and Control |
| AT&T |
American Telegraphic and Telephone Co. Ltd. |
| ATC |
Air Traffic Control |
| ATM |
Automated Teller Machine |
| ATS |
Anti Tetanus Serum |
| AVSM |
Ati Vishisht Seva Medal |
| B Pharma |
Bachelor of Pharmacy |
| B2B |
Busines to Business |
| B2C |
Business to Consumer |
| BAMS |
Bachelor of Ayurvedic Medicine and Surgery |
| BARC |
Bhabha Atomic Research Centre |
| BBC |
British Broadcasting Corporation |
| BBS |
Bulletin Board Service |
| BC |
Before Christ |
| BCCI |
Board of Control for Cricket in India |
| BCG |
Bacillus Chalmette Guerin (Anti TB Vaccine) |
| BEA |
 Broadcast Editors’ Association |
| BEL |
Bharat Electronics Limited |
| BENELUX |
Belgium, Netherlands and Luxemburg |
| BHEL |
Bharat Heavy Electri-cals Ltd |
| BIFR |
Board of Industrial Finance and Reconstruction (Formerly Industrial Reconstruction Finance Board) |
| BIMSTEC |
Bangladesh, India, Myanmar, Sri Lanka, Thailand Economic Cooperation |
| BIOS |
Basic Input Output System |
| BIS |
Bureau of Indian Standards |
| BIT |
Binary Digit |
| BPL |
Below Poverty Line |
| BPO |
Business Process Outsourcing |
| BPR |
Business Process Re-engineering |
| bps |
bytes per second |
| BRGF |
Backward Region Grant Fund |
| BSE |
Bombay Stock Exchange |
| BSF |
Border Security Force |
| BSNL |
Bharat Sanchar Nigam Limited |
