G
GAGAN: GPS-aided Geo-augmented Navigation
GAIL: Gas Authority of India Limited
GAIN: Global Alliance for Improved Nutrition
GATS: General Agreement on Trade in Services
GATT: General Agreement on Tariffs and Trade
GCA: General Currency Area
GCC: Gulf Cooperation Council
GCM: Greatest Common Measure
GEF: Global Environment Fund
GHQ: General Headquarters
GIC: General Insurance Corporation
GIST: Graphics and Intelligence-based Script Technology
GMPS: Global Mobile Personal Communications System
GMRT: Giant Meterwave Radio Telescope
GMT: Greenwich Mean Time
GNSS: Global Navigation Satellite System
GNP: Gross National Product
GOC: General Officer Commanding
GPO: General Post Office
GPRS: General Packet Radio System
GPS: Global Positioning System
GSLV: Geosynchronous Satellite Launch Vehicle
GSP: Generalised Special Preferences
GST: Goods and Service Tax
GSTP: Global System of Trade Preferences
H
HAWS: High Altitude Warfare School
HCF: Highest Common Factor
HDI: Human Development Index
HDTV: High Definition Television
HE: His (or Her) Excellency; His (or Her) Eminence; High Explosive; Horizontal Equivalent
HITS: Headend In The Sky
HMMWV: High Mobility Multipurpose-Wheeled Vehicle
HMS: Hybrid Mail Service
HP: Himachal Pradesh; Horizontal Plane; Horse Power
HTML: Hyper Text Markup Language
HTTP: Hypetext Transfer Protocol
HUDCO: Housing and Urban Development Corporation
HVDC: High Voltage Direct Current
I
IAAI: International Airport Authority of India
IAAS: Indian Audit and Accounts Service
IADF: International Agricultural Development Fund
IAEA: International Atomic Energy Agency
IAF: Indian Air Force
IAMC: Indian Army Medical Corps
IAS: Indian Administrative Service