what is the best way for exceptional handling in MVC (Base_Controller vs CustomHandleErrorAttribute) (Application_Error vs Elmah)

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C#

ASP.NET

C#4.0

MVC

exceptions

i am maintaining Exceptional handling in these ways in my ASP.NET MVC 4 Application can any one give me the best ?

public class CustomHandleErrorAttribute : HandleErrorAttribute
{  
    public override void OnException(ExceptionContext filterContext)
    {
       //logging           

    }
}

VS

public class Base_Controller : Controller
{
    protected override void OnException(ExceptionContext filterContext)
    {
        //Logging;

    }

}

and

public class Base_Application : System.Web.HttpApplication
{
    protected void Application_Error(object sender, EventArgs e)
    {

        //Logging
    }
}

VS

Elmah