Gas leakages result in serious problems in households and other areas where household gas is used. We are using many household appliances frequently but we are not servicing all of it, we are servicing only our luxurious and costly items in regular intervals, we are not taking care of essential appliances. Gas stove is one of it, using for a long period of time in kitchen the spills of oils and water fall over the cylinder tube, they become rust and cause hole in it through which gas gets leak and can cause a fire accident. The aim of this paper is to monitor and detect the gas leakage. The sensor is fixed in the cylinder used to detect gas leakage. During working in the kitchen if the gas leakage is sensed the lcd monitor displays a alert message and gives an alarm alert. If the gas leakage is found during the absence of peoples in home, sensor sense the leakage and sends the alert message to the user mobile through an application. The status of gas leakage is fed into the controller, using wi-fi connection the wi-fi module sends the alert message to the cloud and it is redirected to the application over the internet.