JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app="Opt">
<div ng-controller="OptCtrl">
	<span>Name :</span>
	<span>	
  <select ng-options="value.category group by value.name for (key, value) in data" ng-model="yourItem">	
  
	<option value="">-- Select Country --</option>
	</select>
	<br>	
</div>
</div>

JavaScript

var app = angular.module('Opt',[]);
app.controller('OptCtrl', function($scope){
$scope.data = [
{"id":1, "name":"mobile","category":["Moto","MicroMax","HTC", "Apple"]},
{"id":2, "name":"Browser","category":["chrome","safari","opera", "mozilla"]},
{"id":3, "name":"fruits","category":["Mango","Apple","Orange", "Banana"]}];
$scope.yourItem= "";

});