Tender For supply of repair and servicing of rpo signal unit charger e e - repair and servicing of rpo signal unit charger , repair of serving of voltage stabilizer involving repair of 02 cross pcb card comma 02 cross on and off switch comma 02 krob , repair of plant washing veh 2 gun 220v single phase 50 and 60 hz khd 6 oblique 15 involving repair of motor and pcb card , repair and servicing of hand held digital mobile uhf faults are as under , repair and ultralite headset with microphone involving , repair of serving of digital mobile repeater involving repair of component faulty 02 ppt switch and mike