Thanks a lot.Appreciate the sudden response.

If author go about & consequently modified the policies to add couple of additional allowed components , is there any way to restrict (except for one component) addition of others by displaying a popup mentioning that " This component could not be added " ??or is my approach wrong ?Also it would hav...

can authors be able to modify the policies ?or access the policies ??

In AEM 6.3, is there any way to restrict the author to a single allowed component ?or if i create a policy , is there any way to lock the policy so that author doesn't go about and add further allowed components ??