In present scenario, man-holes are the major problem in the urban areas. Most of the man-holes are in damaged condition. Because of the damaged man-holes, there are chances of occurrence of accidents in the road. These damaged man-holes will be a threat to personal safety. This paper is focused to design an effective accident avoiding system by preventing open man-holes and damaged man-holes cover.  The sensors like tilt sensor, overflow sensor, Gas sensor, crack sensor and temperature sensor are  used to detect the crack and the damage in the man-hole cover and then the information will be sent to the authority of the corporation department and the councilor of the area where the manhole is present. The control and the maintenance are made through Internet of Things(IoT). The Implementation of this project will be very useful to the society.