@Manchukonda Kranthi Kumar Thank you for reaching out to us, As I understand you are looking for dynamic group option within Administrative unit, yes, it can be achieved.
Dynamic membership rules for administrative units are currently in PREVIEW
Refer to this article - https://learn.microsoft.com/en-us/azure/active-directory/roles/admin-units-members-dynamic where steps are mentioned, how this can be achieved
Let me know if you have any further questions, feel free to post back.
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