public JsonResult IsAlreadySignedUp(string MailId)
        {
            UserAccount user = userBl.AlreadySignedUp(MailId);

            bool status;

            if (user != null)
            {
                //Already registered
                status = false;
            }
            else
            {
                //Available to use
                status = true;
            }
            return(Json(status, JsonRequestBehavior.AllowGet));
        }