unserver-unify/src/assets/directive-templates/field/checkbox.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 track by $index">
      <input type="checkbox" value="{{option.option_value}}" ng-model="field.field_value[option.option_title]"  ng-required="field.field_required" ng-disabled="field.field_disabled"/>&nbsp;<span ng-bind="option.option_title"></span>
    </label>
	</div>
</div>