Checkbox Give False value when click on it

<td><input type="checkbox" id="checkInstallment" name="checkInstallment" value="@Model.FeeInstallmentList[i].CheckInstallment"/></td>

  $('[name="checkInstallment"]').each(function () {
                    if ($(this).prop('checked') == true) {

I have a list with checkbox which fill from database. When i click on first checkbox it give true value but when click on second checkbox it give false value