Home security has been a major issue where crime is increasing in case of LPG gas leakage by unknowingly occurred accidents. User can take advantage of new technology for avoiding LPG gas leakage accidents. This paper is to present such a design that can automatically detect and stop gas leakage in vulnerable premises. This technique work by controlling the leakage by closing the valve directly in case of a leakage. It controls the automated action & device which will shutdown the electric power to the house as well as open the kitchens windows. Owner and gas agency can receive the message about Gas leakage. By using alerting message system provide the awareness about gas leakage.