Hello anilkgba,
are there u-turns allowed at the ends of the dual-carriage parts (https://www.openstreetmap.org/node/10828760928 and https://www.openstreetmap.org/node/6967044714)?
With route relations for both directions like `route=road` or PTv1 bus routes,you need to set the role `forward` for one-way members. I know that the three relations were not ordered correctly prior to your changes but it does not help if you add to that mess.
Please, stop working on the task "Modified road into Dual Carriageway" and talk with your team to update the instructions. And, please, review all your recent changes and fix the problems.
Thanks and best greetings,
skyper