AA: Alcoholic anonymous
AAA: Asian Athletics Association
ABC: The Amateur Athletics Federation of India
AAFI: Atomic Biological and Chemical Audit bureau of circulation
ABLE: Association of biotechnology led enterprises.
AC: Ante Christi (before Christ), alternating current; ashoka chakra; air conditioner.
ACR: Annual conditional report.
AD: Anno domini (in the year of our lord).
ADA group: Anil dhirubhai ambani group.
ADAM: Animated Dissection of anatomy for medicine.
ADB: Asian development Bank.
ADBS Advanced Data Broadcast System.
ADC: Aide-de-camp (help or assistant).
AFI: Athletics Federation of India
AFP: Agene France Press
AG: Accountant general; adjutant general
AGP: Acclerated graphics port
AH: Anno hegira (Mohammed?s flights from Mecca to medina,622 AD) In
artificial intelligence ;air India
AICTE: All India Council For Technical Education
AIDS: Acquired immune deficiciency syndrome
AIFF: All India Foot ball Federation
AIG: American international group.
AIIMS: All India Institues of Medical Sciences.
AINEC: All Inddia News Paper Editors
AITUC: All India Trade Union Congress.
ALGOL: Algebraic Oriented Language
ALL: Ashok Leyland Limited.
AM: Ante Meridiem (before noon); Amplitude Modulation.
AMIE: Associate Member of the Institute of Engineers.
ANA: All Nippon Airways.
ANC: African National Congress.
ANERT: Agency for Nonconventional Energy and rural Technology.
ANN: Artificial Neutral Network
ANZUS: Australia, Newzeland US (pacific pact nations).
AOC: Air? officers Commanding
APCTT: Asian and Pacific Center for Transfer of technology
AQA: Assessment and Peritonaial Dialysis
APEC: Asia Pacific Economic Cooperation.
APM: Administred Peritonial Mechanism
ARPANET: Advanced Research? Project agency Network
ART: Assisted? Reproductive Technologies
ASAP: as soon as possible
ASCII: American Standerd Code for Information? Interchange
ASEAN: Association of South? East? Asian Nations
ASEM: Asea Europe? meeting
ASLV Augmented satellite? Launch Vehicle
ASPO: Association for the study of peak oil and gas.
ASSOCHAM: Associated Chamber of Commerce and Industry
ASP: Application service Provider ,association of shareware professionals
AT&T: American Telegraphic and telephone co.ltd.
ATC: Air traffic Control
ATM: Automated Teller Machine .Adobe type Manager.
ATP: Adenosine Tri-phosphate
ATS: Ati tetanus serum.
AU: Astronomical Units.
AVARD: Association of voluntary Agencies for rural development.
AVRC: Audio Visual Research Center.
AVSM: Anti Vishisht Seva medical
AVATAR: Aerobic vehicle for hypersonic Aerospace Transportation; advanced video attribute terminal assembler and recreator.
AWACS: Airborne Warning and Control System.