Hi rani,
You can use $anchorScroll.
Or you can use $window.scrollTo(x, y);
Where x is the pixel along the horizontal axis and y is the pixel along the vertical axis.
Check this example. Now please take its reference and correct your code.
HTML
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Scroll to Top of page AngularJS</title>
    <style type="text/css">
        .BottomCorner
        {
            position: fixed;
            bottom: 0;
            right: 0;
            cursor: pointer;
            background-color: #0090CB;
            display: inline-block;
            height: 40px;
            width: 40px;
            text-align: center;
            font-size: 20pt;
            line-height: 40px;
        }
    </style>
    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.6.8/angular.min.js"></script>
    <script type="text/javascript">
        var app = angular.module('MyApp', []);
        app.controller('MyController', function ($scope, $window, $anchorScroll) {
            // Scroll to Bottom of Page.
            $window.scrollTo(300, 800);
            $scope.ScrollTo = function () {
                // Scroll to Top of Page.
                $anchorScroll();
            }
        });
    </script>
</head>
<body  ng-app="MyApp" ng-controller="MyController">
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    <div class="BottomCorner">
        <a href="javascript:;" ng-click="ScrollTo()">▲</a>
    </div>
</body>
</html>
 
Demo