| G7 | Group of Seven (US, UK, Germany, France, Italy, japan and Canada) G8 includes G7 plus Russia |
| GAIL | Gas Authority of India Limited |
| GATE | Graduate Aptitude Test in Engineering |
| GATS | General Agreement on Trade and Services |
| GATT | General Agreement on Tariff and Trade |
| GDP | Gross Domestic Product |
| GHI | Global Hunger Index |
| GIC | General Insurance Corporation |
| GMAT | Graduate Management Admission Test |
| GMT | Greenwich Mean Time |
| GNLF | Gorkha National Liberation Front |
| GNP | Gross National Product |
| GPF | General Provident Fund |
| GPO | General Post Office |
| GPS | Global Positioning System |
| G-SECs | Government Securities |
| GSI | Geological Survey of India |
| GSLV | Geo-Synchronous Satellite Launch Vehicle |
| GSM | Global System for Mobile Communications |
| GSP | Generalised System Preference |
| GUI | Graphical User Interface |
| HAC | Hindustan Aluminium Corporation |
| HAL | Hindustan Aeronautics Limited. |
| HCF | Highest Common Factor |
| HDFC | Housing Development Finance Corporation |
| HIV | Human Immunodeficiency Virus |
| HLEG | High Level Expert Group |
| HMI | Himalayan Mountaineering Institute |
| HNI | High Networth Individual |
| HTML | Hyper Text Markup Language |
| HUDCO | Housing and Urban Development Corp. |
| HUL | Hindustan Unilever Limited |
| HVAC | Heating, Ventilating and Air Conditioning |
| HYVS | High Yield Vanety Seeds |
