HAWS High Altitude Warfare School
HAC Hindustan Aluminium Corporation
HCF Highest Common Factor
HDFC Housing Development Finance Corporation
HDI Human Development Index
HDTV High Definition Television
HE His (or Her) Excellency; His (or Her) Eminence; High Explosive; Horizontal Equivalent
HIV Human Immuno-deficiency Virus
HITS Headend In The Sky
HMMWV High Mobility Multipurpose-Wheeled Vehicle
HMS Hybrid Mail Service
HMT Hindustan Machine Tools
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
HYVS High Yield Variety Seeds