CHITWAN, August 5: Re-polling at Ward-19 of Bharatpur Metropolitan City has proved to be fruitful for the ruling alliance. All the candidates representing Nepali Congress have emerged  victorious in the re-election that was held at Ward-19 on Friday. It has increased the possibility of the CPN(Maoist Center) mayoral candidate Renu Dahal emerging victorious in the race for the mayor of Bharatpur Metropolitan City.