class ChandanUserController extends ControllerBase {
  /// class properties etc.
  /// construction
  public function editProfile() {
      // Entity you want to edit.
      $entity = User::load(1);
      // Form builder service
      $builder = \Drupal::service('entity.form_builder');
      // get the form: form mode = 'profile', it is not default form mode.
      // new form can be created on the "Form Display Setting"
      $profile_form = $builder->getForm($entity, 'profile');
      // return the form 
      return $profile_form;
    }
}