The Main Purpose Behind This Project Is “Drunk And Drive Detection”. Now A Days, Many Accidents Are Happening Because Of Alcohol Consumption Of The Driver. Thus Drunk Driving Is A Major Reason Of Accidents All Over The World. Alcohol Detection In Cars Is Designed Using Sensors For The Safety Of The People Seating Inside The Car. This Device Should Be Fitted / Installed Inside The Vehicle And The GPRS Is Connected To The Micro Controller Where Messages Are Sent To Nearby Police Station If The Person Is Drunk.