IAAI International Airport Authority of India
IAAS Indian Audit and Accounts Service
lAC Indian Airlines Corporation
IADF International Agricultural Development Fund
IAEA International Atomic Energy Agency
IAF Indian Air Force
IAMC Indian Army Medical Corps
IARI Indian Agricultural Research Institute
IAS Indian Administrative Service
IATA International Air Transport Association
IATT Inland Air Travel Tax
IBRD International Bank for Reconstruction and Development
IBEX Interstellar Boundary Explorer Mission
ICANN Internet Corporation for Assigned Names and Numbers
ICAO International Civil Aviation Organisation
ICAR Indian Council of Agricultural Research
ICBM Inter Continental Ballistic Missile
ICC International Cricket Council
ICCR Indian Council of Cultural Relations
ICCW Indian Council for Child Welfare
ICDS Integrated Child Development Service
ICFTU International Confederation of Free Trade Unions
ICICI Industrial Credit and Investment Corporation of India Limited
ICJ International Court of Justice (with Headquarters at the Hague)
ICL Indian Cricket League
ICMR Indian Council of Medical Research
ICPA Indian Cricket Players' Association
ICRC International Committee of the Red Cross
ICSI Indian Company Secretaries Institute
IDA International Development Association
IDBI Industrial Development Bank of India
IDO International Defence Organisation
IDPL Indian Drugs and Pharmaceuticals Limited
IDSA Institute of Defence Studies and Analysis
i.e. id est; that is
IEA International Energy Agency
IES Indian Economic Service
IEX Indian Energy Exchange
IFA Indian Football Association
IFCI Industrial Finance Corporation of India
IFFI International Film Festival of India
IFFCO Indian Farmers Fertilizers Cooperative
IFRS International Financial Reporting Standard
IFS Indian Foreign Service; Indian Forest Service
IFTU International Federation of Trade Unions
IFWJ Indian Federation of Working Journalists
IGNOU Indira Gandhi National Open University
IIPA Indian Institute of Public Administration
IIS Indian Institute of Sciences
IISCO Indian Iron and Steel Company
IISS International Institute of Strategic Studies
IIT Indian Institutes of Technology
ILO International Labour Organisation
IMA Indian Military Academy
IMET International Military Education Training Programme
IMF International Monetary Fund
IMO International Maritime Organisation
IN Indian Navy; Intelligent Network
INA Indian National Army
INS Indian Naval Ship
INSAT Indian National Satellite
INTELSAT International Telecommunication Satellite
INTERPOL International Police Organisation
INTUC Indian National Trade Union Congress
INGCA Indira Gandhi Gallery for Culture and Art
IOC International Olympic Committee / Indian Oil Corporation
IPC Indian Penal Code
IPKF Indian Peace Keeping Force
IQ Intelligence Quotient
IRBM Intermediate Range Ballistic Missile
IRC International Red Cross
IRDA Insurance Regulatory Development Authority
IRDP Integrated Rural Development Programme
ISB Indian Standard Bureau
ISM Indian School of Mines
ISO International Organisation for Standardisation
ISP Internet Services Provider
ISRO Indian Space Research Organisation
IST Indian Standard Time
ITBP Indo-Tibet Border Police
ITDC Indian Tourism Development Corporation
ITPO Indian Trade Promotion Organisation
ITO International Trade Organisation
IUCN International Union for Conservation of Nature and Natural Resource
ITUC Indian Trade Union Congress
IAMAI Internet and Mobile Association of India