AngularJs Radio Buttons

var app = angular.module('plunker', []);

app.controller('MainCtrl', function($scope) {


    $scope.Users = [{
      UserName: "Stackoverflow",
      UserId: "1",
      Options: [{
        Name: "1 Day",
        isSelected: false
      }, {
        Name: "6 Months",
        isSelected: true
      }, {
        Name: "1 Year",
        isSelected: false
      }]
    }, {
      UserName: "StackExchange",
      UserId: "2",
      Options: [{
        Name: "1 Day",
        isSelected: true
      }, {
        Name: "6 Months",
        isSelected: false
      }, {
        Name: "1 Year",
        isSelected: false
      }]
    }];

    $scope.logData = function(data) {

      console.log(data);

    };

});

<!doctype html>
<html ng-app="plunker" >
<head>
  <meta charset="utf-8">
  <title>AngularJs Radio Button Sets</title>
  <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.2/angular.js"></script>
  <script src="app.js"></script>
</head>
<body ng-controller="MainCtrl">
  <table border="1">
    <thead>
      <tr>
        <th>UserName</th>
        <th>Option</th>
      </tr>
    </thead>
    <tbody>
      <tr data-ng-repeat="user in Users">
        <td>{{user.UserName}}</td>
        <td>
          <label data-ng-repeat="option in user.Options">
            <input type="radio" name="{{user.UserId}}" ng-model="option.isSelected" value="true" />
            {{option.Name}}
          </label>
         <button type="button" data-ng-click="logData(user)">SAVE</button>                      
        </td>
      </tr>
    </tbody>
  </table>
</body>
</html>

/* Put your css in here */

.some {
  border: 1px solid #cacaca;
  padding: 10px;
}