Supply of Low Bp Indication Sealed Alarm With Audio Visual Indication Polycarbonate Box Size 120X80x5 5 Mm With Suitable Mounting Arrangement For Mounting On Bp Pressure Gauge Panel Of Conventional Locom Otives With Red Indication And Audio Buzzer Suitable For Working Between 70-135 V Dc And Having Three Wa Y Switch For Isolating Buzzer And Led Indication With Wago Termination.