JMV fabricates the track lead junction box (TLJB). The device is used to detect a fault in the track. Thus, it provides a signal itself to the device if there is any occurrence of fault appearing on the track through the flow of over-current. It can be equipped along with the railway track towards its positive end and negative end. Basically, this device assures the durability of the tracks without getting affected by a diverse interruptions. We provide FRP-based track lead junction boxes that are hard to break and easy to carry as well.