In today’s era where we are blessed with fast-moving automobiles which makes our movement easy as well as fast, it also poses a grave danger of accidents and one of the main causes of such fatal accidents is the case of drunken driving where the person loses his control over the automobile and can become a danger to himself and the surroundings. Controlling such cases manually is practically very difficult. And thus we came up with an idea of controlling such accidents, we in this project have used the idea of gaseous material sensing for sensing the fumes of alcohol in the breath of the person who is driving. As we know that stopping a person from drinking in today’s world is near to impossible so why not stop them from driving after drinking !!!. Our project here will be installed on the steering wheel of the car where the breath of the person driving comes, it will sense the amount of alcohol consumed by him in mg/liter and if the level exceeds then the engine will be stopped and thus decreasing the chance of an accident. This prototype of our can be further modified into a smaller size and with more efficient sensing.