unserver-unify/src/assets/directive-templates/field/radio.html

<div class="form-group">
  <label class="control-label col-md-3">{{field.field_title}}<span class="manditory" ng-show="field.field_required && !field.field_value">*</span></label>
  <div class="col-md-9">
    <label class="checkbox-inline" ng-repeat="option in field.field_options">
      <input type="radio" value="{{option.option_title}}" ng-model="field.field_value"  ng-required="field.field_required" ng-disabled="field.field_disabled"/>&nbsp;<span ng-bind="option.option_title"></span>
    </label>
  </div>
</div>