How to custome login and create cookies in mvc 4

  public ActionResult Index(LoginM model,string returnUrl)
         {
             ///var macAddress = db.MacAddresses.FirstOrDefault(a => a.Username.Equals(model.UserName) && a.isActive == true);

            if (Membership.ValidateUser(model.UserName, model.Password) && ModelState.IsValid)
            {
                //if (macAddress != null && !GetMACAddress().Equals(macAddress.MacAddress1.Replace("-","")))
                   // {
                      //  ViewBag.Message = "Wrong You are not allow on this system, Try again another system";
                    //}
                //else {

                int id = Convert.ToInt32(model.UserName);
                var prefence = new Preference();
                prefence = db.Preferences.Where(x => x.EmployeeId == id).FirstOrDefault();
                HttpCookie cookie = Request.Cookies["DropOrder"];
                if (model.RememberMe == true)
                {
                    int timeout = model.RememberMe ? 525600 : 30;
                    var ticket = new FormsAuthenticationTicket(model.UserName, model.RememberMe, timeout);
                    string encrypted = FormsAuthentication.Encrypt(ticket);
                    var cookie1 = new HttpCookie(FormsAuthentication.FormsCookieName, encrypted);
                    cookie1.Expires = System.DateTime.Now.AddMinutes(timeout);//My Line
                    cookie1.HttpOnly = true;
                    HttpContext.Response.Cookies.Add(cookie1);
                    //FormsAuth.SetAuthCookie
                }
                var response = HttpContext.Response;
                if (Request.Cookies["DropOrder"] != null)
                {
                    response.Cookies.Remove("DropOrder");
                }
                string str = "";
                if (prefence == null)
                {
                    var prefence1 = new Preference();
                    prefence1.EmployeeId = id;
                    prefence1.OrderPreference = "orderName";
                    db.Preferences.Add(prefence1);
                    db.SaveChanges();
                    str = "orderName";
                }
                else
                {
                    str = prefence.OrderPreference;
                }
                var DropOrder = new HttpCookie("DropOrder");

                DropOrder.Value = str;
                DropOrder.Expires = DateTime.Now.AddDays(7);
                Response.Cookies.Add(DropOrder);

                FormsAuthentication.SetAuthCookie(model.UserName, false);
                if (Url.IsLocalUrl(returnUrl))
                    return Redirect(returnUrl);
                else
                    return RedirectToAction("Users", "Home");
            }
            //}
            else
            {
                ViewBag.Message = "Wrong UserName/Password, Try again";
            }
            return View();

        }