The OC inventory has duplicate devices, after deleting the devices by disabling the "prevent rediscovery" option. After rediscovery devices are seen under inventory, But missing under groups. These are Dynamic groups. Can see in the edit group, but even after saving not reflecting under groups.
Release : 20.3.3 HF1
Component : UIM Operator Console - Inventory
Applying the June patch, i.e. UIM 20.3.3 hf3 resolved the issue. Can see the devices under groups as well.