Ankur,

Thanks for sharing script. This script is working however I am not able to display error message below field.

please see below script I have added.

if (answer != '') {
g_form.showFieldMsg('end_date', 'End Date should not be more than 6 months from start date', 'error');
g_form.clearValue('end_date');
} else {
g_form.hideFieldMsg('end_date');
}