JMV fabricates the track lead junction box (TLJB). The device which is used to detect a fault in the track. Thus, it provides a signal itself into the device if there is any occurrence of fault appeared into 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 through a diverse interruption. We provide FRP based track lead junction boxes that are hard to break and easy to carry as well.