In the downtowns, underground cables are used rather than of overhead transmission lines. It is hard to go through the specific spot of the shortcomings. As India become prominent as a progression country, civilized field is too boosting every day. The underground lines are beat under the same circumstances its uses is additionally growing a result of its clear advantages such as lower line losses, lower maintenance cost and they are less powerless to the effects of serious climate. As it isn’t clear it move extreme to identify propel area of the shortcoming. In this proposed work we are trying to rectify this problem by proposing a method which is good enough to the digital world. In this paper we have used IOT based technique with Google database for the fault detection with the help of Node MCU Wifi Module. It is totally based on IOT. We used here Node MCU which connects arduino sensors to Internet. We had created a Hot spot through router for communication. We connected each MCU Module with transformer and used Google data base to checking the status of transformers. The accuracy and efficiency of our proposed method is more as compare to the other techniques.