Disable radio button group angularjs
<p>I want to disable radio button group using angularjs in a static html page.I am using angularjs material design.
Here is my code</p>

<pre><code>&lt;md-input-container&gt;
     &lt;label&gt;Air Conditioned&lt;/label&gt; 
     &lt;md-radio-group ng-model="master.airConditioned" name="airConditioned" required ng-disabled="true" class="mdradio radioAlign"  layout="row"&gt;
        &lt;md-radio-button  value="true" class="md-primary"&gt; Yes &lt;/md-radio-button&gt;
        &lt;md-radio-button value="false"&gt; No &lt;/md-radio-button&gt;                                           
    &lt;/md-radio-group&gt;
&lt;/md-input-container&gt;
</code></pre>