ajex post send and received date

anyone tell me how to send received date

        function generate_otp(filerfno_var,passport_no_var) {
$('#error_msg').html('');
var value1_var=document.getElementsByClassName("app_field")[0].value;
var value2_var=document.getElementsByClassName("app_field")[1].value;
if(document.getElementById('generate_otp').checked == true)
var otp_required_var="generate_otp";
else if(document.getElementById('have_otp').checked == true)
var otp_required_var="have_otp";
else if(document.getElementById('send_alotment_sms').checked == true)
var otp_required_var="send_alotment_sms";
var otp_var=document.getElementById("otp").value;
var captcha_var=document.getElementById("captcha").value;
//http://localhost:8084/struts_bgd/json/GenerateOtp?filerfno=BGDDV0004116&passport_no=PASS123&value1=TEST&value2=TEST
$.ajax({
type: "POST",
url: "json/GenerateOtp",
dataType: "json",
data: {filerfno : filerfno_var,passport_number:passport_no_var,value1:value1_var,value2:value2_var,otp_required:otp_required_var,otp:otp_var,captcha:captcha_var},
success: function (data) {
//alert(data['sms_output']);
alert(data);
$('#generate_otp_msg').text(data);
refreshCaptcha();
$('#captcha').val('');
$('#have_otp').prop('checked', false);
$('#generate_otp').prop('checked', false);
$('#send_alotment_sms').prop('checked', false);
}
})
.done(function (data) {
})
.fail(function () {
alert("Some problem occurred");
})
.always(function () {
});
}