India is the country where more amount of energy is consumed because of enormous population. Most of us are looking forward for a new source of energy. In this paper we focused on how to conserve energy which are existing. Most of the power are wasted mainly due to misuse of energy and not having sufficient knowledge on the utilization of energy resources .In this paper we used microcontroller to detects the vehicular movement.IR rays are passed which is received by LDR and thus intensity of the light is adjusted. Temperature sensor has been used to detect various climatic conditions in that region. We have also proposed the idea to display the street light numbers which are not glowing.