Admin approval notification based on role choose by user on registration form? I need to set admin approval for a particular role. I am using auto assign module to provide user to choose role on registration form.

authenticated users: Do not need admin approval

$form_state['values']['status'] = 1;

$form["account"]["status"]["#default_value"] = FALSE; 


Try to use above line on validate function but not getting any success.
I have created a module for this, which addresses my question. It can be found at Select registration roles. Some more details about it (from its project page):


  The Select Registration Roles module adds a role field on the user registration form. Admin can configure roles to be displayed on the
  registration form as, and can set roles which require admin approval.


Here is a screenprint of it also: