Depended control value not updated?

[bhattjeet]

Hello All,

I have three depended custom-select control.

1. Shipper
2. Country
3. City

When i change shipper name then i fetch country and city list and assign selected id to Country and City control value but that value is not affected.
Only country control was updated value based on shipper details. But city control value updated but its not selected.
Please see below image for more information.

But i need like this.

Below i create Plunker:
Please see this Plunker