Update app.js

register/app/app.js

@@ -20,7 +20,8 @@ app.controller('userForm', ['$scope','$firebaseArray',function ($scope, $firebas
         'Mobile Applications','Decentralised Networks',
         'Web Applications','UI & UX',
         'DevOps','Big Data', 'Software Testing', 'Internet of things', 
-        'Web of things', 'PCB Design', 'Machine Learning', 'BlockChain', 'Virtual Reality'
+        'Web of things', 'Artificial intelligence & Machine Learning', 'BlockChain', 'Scripting Languages',
+        'Data Analytics',
     ];
 
     $scope.submitData = function() {