AAA  : Asian Athletics Association

AAFI : The Amateur Athletics Federation of India

AC : Ante Christum (Before Christ), Air Conditioner

ADB : Asian Development Bank

AFI : Athletics Federation of India

AFMC : Armed Forces Medical College

AI : Artifical Intelligence, Air India

AICTE : All India Council for Technical Education

AIFF : All India Football Federation

AIIMS  :All India Institute of Medical Science

AITUC : All India Trade Union Congress

ALGOL : Algebric Oriented Language

AM : Ante Meridiem (before Noon), Amplitude Modulation

APEC : Asia Pacific Economic Cooperation

ARPANET : Advanced Research Project Agency Network

ASCII : American Standard Code for Informa-tion Interchange

ASEAN : Association of South East Asian Na-tions

AT&T : American Telegraphic and Telephone Co. Ltd.

ATC : Air Traffic Control
ATM :Automated Teller Machine

BARC : Bhabha Atomic Research Centre

BBC: British Broadcasting Corporation

BC : Before Christ
BHEL :Bharat Heavy Electri-cals Ltd

BIOS : Basic Input Output System

BIT : Binary Digit

BPL : Below Poverty Line

BSE : Bombay Stock Exchange

BSF : Border Security Force

BSNL: Bharat Sanchar Nigam Limited

CA : Chartered Accountant

CAD : Computer Aided Design

CAT : Common Admission Test

CBI : Central Bureau of Investigation

CBSE : Central Board of Secondary Education

CDAC : Centre for the Development of Advanced Computing

CDMA : Code Division Multiple Access
CEO : Chief Executive Officer
CFSL : Central Forensic Science Laboratory
CIA : Central Intelligence Agency
CID : Criminal Investigation Department
CITU : Centre of Indian Trade Unions
CNN : Cable News Network
COPRA : Consumer Protection Act
CPI(M): Communist Party of India / Marxist
CPWD :Central Public Works Department
CRIS :Centre for Railway Information System

CSIR : Council of Scientific and Industrial Research

CYMK : Cyan, Yellow, Magenta, Key
D.Litt. : Doctor of Literature
D.Phil. : Doctor of Philosophy

D.Sc : Doctor of Science

DC : Direct Current

DIG : Deputy Inspector General

DMA : Direct Memory Access

DMK : Dravida Munetra Kazhagam

DNA: Deoxyribo-nucleic Acid

DTP : Desktop Publishing

DVC : Damodar Valley Corporation

DVD : Digital Versatile/Video Disc

E-MAIL : Electronic Mailing

EMI : Equated Monthly Instalments

ERNET : Educational and Research Network

FBI :Federal Bureau of Investigation

FCI : Food Corporation of India; Fertilizer Corporation of India

FDI : Foreign Direct Investment

FICCI : Federation of Indian Chambers of Commerce and Industry

FIFA : International Football Federation (Fed-eration Internationale de Football Associa-tion)

FIR : First Information Report
FM :Frequency modulation
GATE :Graduate Aptitude Test in Engineer-ing

GDP : Gross Domestic Product
GMAT :Graduate Management Admission Test

GMT :Greenwich Mean Time
GSLV : Geo-Synchronous Satellite Launch Ve-hicle

GSM : Global System for Mobile Communica-tions

GUI : Graphical User Interface

HIV : Human Immunodeficiency Virus

HMI : Himalayan Mountaineering Institute

HTML : Hyper Text Markup Language

HUDCO : HousingandUrbanDevelopmentCorp.

HVAC : Heating, Ventilating and Air Conditioning

IAAI : International Airport Authority of India

IAEA : International Atomic Energy Agency

IARI : Indian Agricultural Research Institute

IAS : Indian Administrative Service

IATA : International Air Transport Association

IBM : International Business Machines

ICSE : Indian Certificate of Secondary Educa-tion

IDA : International Development Agency

IDBI : Industrial Development Bank of India

IEEE : Institute of Electronics and Electrical Engineers

IELTS : InternationalEnglishLanguageTesting System

IFC: Industrial Finance Corporation, International Finance Corporation

IFS : Indian Foreign Service/Indian Forest Service

IGNOU : Indira Gandhi National Open Uni-versity
IIT : Indian Institute of Technology
ILA : Indian Library Association

ILO :International Labour Organisation

IMAP : Internet Mail Access Protocol

IMF : International Monetary Fund

INA:  Indian National Army

INTUC : Indian National Trade Union Congress

IOC : Indian Oil Corporation

IP : InternetProtocol

IPC : Indian Penal Code

IPCL : Indian Petro-Chemicals Corporation Ltd

IPI : International Press Institute

IPO : Initial Public Offering

IPS : Indian Police Service; Inter Press Service

IQ :Intelligence Quotient

IRC : International Red Cross

IRDP : Integrated Rural Development Programme

IRS : Indian Revenue Service

ISBN : International Standard Book Number

ISDN :Integrated Services Digital Network

ISI :Indian Standards Institution; Inter Services Intelligence

ISKCON : International Society for Krishna Consciousness

ISO : International Standards Organisation

ISRO : Indian Space Research Organisation

IST :Indian Standard Time
ITBP: Indo-Tibetan Border Police

ITES: Information Technology enabled services

ITI : Indian Telephone Industries<br> Industrial Training Institute

ITU : International Telecommunication Union

IVF : In-Vitro Fertilisation

NASA : National Aeronautics and Space Ad-ministration

IVM : In-vitro Maturation

JEE : Joint Entrance Examination

JPEG : Joint Photographic Expert Group

LASER : Light Amplification by Stimulated Emission of Radiation

LCD : Liquid Crystal Display<br>Least Common Denominator

LIC : Life Insurance Corporation (of India)

LLB : Bachelor of Laws
LTTE : Liberation Tigers of Tamil Elam
M.A. : Magisiter Artium (Master of Arts) M.D Doctor of Medicine

MBA : Master of Business Administration

MBBS : Bachelor of Medicine and Bachelor of Surgery

MCI : Medical Council of India

MICR : Magnetic ink character recognition

MLA : Member of Legislative Assembly

MNC : Multi-National Corporation

MODEM : modulator demodulator

MP : Member of Parliament

MPEG : Motion Picture Experts Group

NAAC :National Assessment and Accreditation Council

NASDAQ :National Association of Securities Dealers Automated Quotation

NASSCOM : National Association of Software and Service Companies

NATO: North Atlantic Treaty Organisation

NCERT : National Council of Educational Research and Training

NDA : National Defence Academy

NOC : No Objection Certificate

NSUI: National Students Union of India

NTPC : National Thermal Power Corporation

OBC : Other Backward Classes

OCR : Optical Character Recognition

ONGC : Oil and Natural Gas Corporation

OOP: Object Oriented Programme

OPEC : Organisation of Petroleum Exporting Countries

OSCAR :Orbiting Satellite Carrying Amateur Radio

PAN : Permanent Account Number
Ph.D. Doctor of Philosophy (Philosophiae Doctor)

PIN : Postal Index Number

PSLV : Polar  Satellite Launch Vehicle

PWD:  Public Works Department; R&D Research and Development

NABARD National Bank for Agriculture and Rural
Development RADAR

NALCO National Aluminium Company Ltd. RAM
RAW Research & Analysis Wing

RBI : Reserve Bank of India

RDX : Research Department Explosive (Cyclotrim- ethylin Trinitrate)

RNA : Ribonucleic acid

ROM : Read Only Memory

RTI : Right to Information

SAIL : Steel Authority of India Limited

SEBI : Securities and Exchange Board of India

SENSEX : SensitivityIndex(ofSharePrice)

SIM : Subscriber Information Module

SLV : Satellite Launch Vehicle

SMS : Short Message Service

SMTP : Simple Mail Transfer Protocol

STD:  Subscriber Trunk Dialling; Sexually Transmitted Diseases

TADA : Terrorist and Disruptive Activities (Prevention) Act

TCP : Transfer Call Protocol<br> Transmission Control Protocol

TELCO : Tata Engineering and Locomotive Company

TISCO : Tata Iron and Steel Company
TOEFL :  Test of English as a Foreign Language
UAV : Unmanned Aerial Vehicle

UGC : University Grants Commission

ULFA : United Liberation Front of Asom

UNESCO : United Nations Educational, Scientific and Cultural Organi-sation

UNICEF:  United Nations International Children’s Emergency Fund (now, ‘United Nations Children’s Fund’)

UPA : United Progressive Alliance
UPSC : Union Public Service Commission
URL :Uniform Resource Locator
VAT : Value Added Tax
VCR  :Video Cassette Recorder
VIP : Very Important Person
VIRUS : Vital Information Resources Under Siege

VRML : Virtual Reality Modelling Language
VRS : Voluntary Retirement Scheme
VSSC :Vikram Sarabhai Space Centre
WHO: World Health Organisation
WMO :World Meteorological Organization

WTO: World Trade Orga-nisation
WWF : World Wildlife Fund
WWW : World Wide Web
XML : Extensible Mark-up Language
YMCA  :Young Men’s Christian Association
ZIP : Zone Improvement Plan

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