AmbigiousControllers.cs

public static void RegisterRoutes(RouteCollection routes) 
        { 
            routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); 
 
            //General Route 
            routes.MapRoute( 
                "Default", // Route name 
                "{controller}/{action}/{id}", // URL with parameters 
                new { controller = "Home", action = "Index", id = UrlParameter.Optional }, // Parameter defaults 
                new string[] { "AmbiguousControllers.Controllers" } 
            ); 
 
            //Route for Admin Area 
            routes.MapRoute( 
                "Admin Default", // Route name 
                "{controller}/{action}/{id}", // URL with parameters 
                new { area = "Admin", controller = "Home", action = "Index", id = UrlParameter.Optional }, // Parameter defaults 
                new string[] { "AmbiguousControllers.Areas.Admin.Controllers" } 
            ); 
 
        }