try like below
<script>
$(function () {
$('#Country').val(1);
$('#State').val(1);
$('#Country').change(function () {
debugger;
$.getJSON('/Branch/StateList/' + $('#Country').val(), function (data) {
var items = '<option>Select a State</option>';
$.each(data, function (i, state) {
items += "<option value='" + state.Value + "'>" + state.Text + "</option>";
});
$('#State').html(items);
//here you can set the default value for country
$('#State').val("India");
});
});
$('#State').change(function () {
$('#City').val(1);
$.getJSON('/Branch/CityList/' + $('#State').val(), function (data) {
var items = '<option>Select a City</option>';
$.each(data, function (i, city) {
items += "<option value='" + city.Value + "'>" + city.Text + "</option>";
});
$('#City').html(items);
//here you can set the default value for city
$('#City').val("delhi");
});
});
});
</script>
Hope this helps