public ActionResult Index(DoctorRegistration req) { if (!ModelState.IsValid) { req.states = _commonServices.GetStates().ToList(); req.specializations = _commonServices.GetSpecializations().ToList(); req.cities = _commonServices.GetCities(req.State).ToList(); return(View(req)); } else { return(RedirectToAction("Index", "Dashboard", new { })); } }