<div class="radio-group">
	<label class="control-label">
		{{options.label}}
		{{options.required ? '*' : ''}}
	</label>
	<div class="radio"
		 ng-repeat="(key, option) in options.options">
		<label>
			<input type="radio"
				   name="{{id}}"
				   id="{{id + '_'+ $index}}"
				   ng-value="option.value"
				   ng-model="$parent.value">
			{{option.name}}
		</label>
	</div>

</div>
<div class="radio-group">
	<label class="control-label">
		{{options.label}}
		{{options.required ? '*' : ''}}
	</label>
	<div class="radio"
		 ng-repeat="(key, option) in options.options">
		<label>
			<input type="radio"
				   name="{{id}}"
				   id="{{id + '_'+ $index}}"
				   ng-value="option.value"
                   ng-required="options.required"
				   ng-model="$parent.value">
			{{option.name}}
		</label>
	</div>

</div>
Add ng-required to radio group
Add ng-required to radio group
