How to call a angular controller kept in another file from a mvc partial view - angularjs

Question

Edit:- My project that is mvc-4 having lay out page that holds angular.js and bootstrap.js, bootstrap.js and the angularmodule.js. the layout is wrapped into the index page. For the first time in the left section all categories are loaded in the index page. When i click on the any category a partial page that has got all products are loaded in to the middle section of index. Now when i again click on the any of middle section product button that comes with all the product spectic customization returning a partial _customization page that is to load in the model pop up. so the below code is kept on the _customization partial page.
I have created some ng-controler.js file
that holds the following code
EposApp.controller("cntrlCustomization", function ($scope, getCustomization) {
$scope.ListCollection = getCustomization.customization;
$scope.total = 0;
$scope.chkUnchk = function (v) {
if (v.selectionState == 0) { v.selectionState = 1 }
some more code...
}
I have a _customization partial view in mvc with the following code.
<script src="~/Scripts/ngController/ngController.js"></script>
<script>
var customizationJson = #Html.Raw(Json.Encode(#Model))
console.log(JSON.stringify(customizationJson));
EposApp.factory('getCustomization', function () {
return {
customization: customizationJson
}
});
</script>
My problem is that the Epos.Contoller not getting called, although when i keep controller code direct to the partial view itseld it works fine.. could some body please help me with this whats the problem.