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 Industrial Training Institute
ITU	International Telecommunication Union
IVF	In-Vitro Fertilisation
IVM	In-vitro Maturation
JCO	Junior Commissioned Officer
JEE	Joint Entrance Examination
JPEG	Joint Photographic Expert Group
LASER	Light Amplification by Stimulated Emission of Radiation
LCA	Light Combat Aircraft
LCD	Liquid Crystal Display Least Common Denominator
LCM	Lowest Common Multiple
LIC	Life Insurance Corporation (of India)
LLB	Bachelor of Laws
LMC	Large Megallanic Cloud
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
MCC	Marylebone Cricket Club
MCI	Medical Council of India
MICR	Magnetic ink character recognition
MIDI	Musical Instrument Digital Interface
MIPS	Million Instructions per Second
MIT	Massachusetts Institute of Technology; Master Instruction Tape
MLA	Member of Legislative Assembly
MNC	Multi-National Corporation
MODEM	modulator demodulator
MP	Member of Parliament; Madhya Pradesh
MPEG	Motion Picture Experts Group
MRCP	Member of the Royal College of Physicians
MTCR	Missile Technology Control Regime
MVC	Maha Vir Chakra
NAAC	National Assessment and Accreditation Council
NABARD	National Bank for Agriculture and Rural Development
NAFED	National Agricultural Co-operative Marketing Federation
NALCO	National Aluminium Company Ltd.
NASA	National Aeronautics and Space Ad ministration
NASDAQ	National Association of Securities Dealers Automated Quotation
NASSCOM	National Association of Software and Service Companies
NATO	North Atlantic Treaty Organisation
NAV	Net Asset Value
NCERT	National Council of Educational Research and Training
NCSA	National Centre for Supercomputing Applications; National Computer Security Association
NDA	National Defence Academy
NOC	No Objection Certificate
NPA	Non-performing Assets
NPT	Nuclear Non-Proliferation Treaty
NRF	National Renewal Fund
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)
PIL	Public Interest Litigation

E & OE	Errors and Omissions Excepted
EDI	Electronic Data Interchange
EIS	Executive Information System
E-MAIL	Electronic Mailing
EMI	Equated Monthly Instalments
ENIAC	Electronic Numerical Integrator and Calculator
ENT	Ear, Nose and Throat
EOF	end of file
EOT	Eastern Daylight Time
EPABX	Electronic Private Automatic Branch Exchange
ERNET	Educational and Research Network
FAQ	Frequently Asked Question
FBI	Federal Bureau of Investigation
FBT	Fringe Benefit Tax
FBTR	Fast Breeder Test Reactor
FBW	Fly-By-Wire
FCI	Food Corporation of India; Fertilizer Corporation of India
FDI	Foreign Direct Investment
FEMA	Foreign Exchange Management Act
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
FRCP	Fellow of the Royal College of Physicians
FRCS	Fellow of the Royal College of Surgeons
FRCS	Fellow of the Royal Geographical Society
FRS	Fellow of the Royal Society
G7	Group of Seven (US, UK, Germany, France, Italy, japan and Canada) G8 includes G7 plus Russia
GATE	Graduate Aptitude Test in Engineer ing
GATS	General Agreement on Trade and Ser vices
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
GSP	Generalised System Preference
GUI	Graphical User Interface
HAL	Hindustan Aeronautics Limited.
HIV	Human Immunodeficiency Virus
HMI	Himalayan Mountaineering Institute
HTML	Hyper Text Markup Language
HUDCO	Housing and Urban Development Corp.
HVAC	Heating, Ventilating and Air Conditioning
i.e.	id est (that is)
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
ICU	Intensive Care Unit
ICWA	Indian Council of World Affairs
IDA	International Development Agency
IDBI	Industrial Development Bank of India
IEEE	Institute of Electronics and Electrical Engineers
IELTS	International English Language Testing System
IFC	Industrial Finance Corporation, International Finance Corporation
IFS	Indian Foreign Service; Indian Forest Service
IGNOU	Indira Gandhi National Open Uni versity
IIPA	Indian Institute of Public Administration
IISCO	Indian Iron and Steel Company
IISS	International Institute of Strategic Stud ies
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 Con gress
IOC	Indian Oil Corporation
IP	Internet Protocol
IPC	Indian Penal Code
IPCL	Indian Petro-Chemicals Corporation Ltd
IPI	International Press Institute

3G	Third Generation
AAA	Asian Athletics Association
AAFI	The Amateur Athletics Federation of India
AC	Ante Christum (Before Christ), Ashok Chakra, 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
ASLV	Augmented Satellite Launch Vehicle
AT&T	American Telegraphic and Telephone Co. Ltd.
ATC	Air Traffic Control
ATM	Automated Teller Machine
AVSM	Ati Vishisht Seva Medal
B2B	Busines to Business
B2C	Business to Consumer
BARC	Bhabha Atomic Research Centre
BBC	British Broadcasting Corporation
BBS	Bulletin Board Service
BC	Before Christ
BHEL	Bharat Heavy Electri-cals Ltd
BIOS	Basic Input Output System
BIT	Binary Digit
BPL	Below Poverty Line
BPO	Business Process Outsourcing
BPR	Business Process Re-engineering
bps	bytes per second
BSE	Bombay Stock Exchange
BSF	Border Security Force
BSNL	Bharat Sanchar Nigam Limited
C2C	Consumer to Consumer
CA	Chartered Accountant
CAD	Com puter Aided Design
CAT	Common Admis sion Test
CBI	Central Bureau of Investigation
CBSE	Central Board of Secondary Education
CDAC	Centre for the Development of Ad vanced Computing
CDMA	Code Division Multiple Access
CEO	Chief Executive Officer
CFSL	Central Forensic Science Laboratory
CGI	Common Gateway Interface
CIA	Central Intelligence Agency
CID	Criminal Investigation Department
CISC	Complex instruction-set computing
CITU	Centre of Indian Trade Unions
CNN	Cable News Network
COMSAT	Communications Satellite Corporation
COPRA	Consumer Protection Act
CORBA	Common Object Request Broker Architecture
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
CTBT	Comprehensive Test Ban Treaty
CYMK	Cyan, Yellow, Magenta, Kinda
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