Details :

Step 1: Rename the server.php in the your Laravel root folder to index.php

Step 2 : Copy the .htaccess file from public folder to your Laravel root folder

Step 3: Goto vendor / laravel / framework / src / Illuminate / Foundation

             Inside Foundation folder open helpers.php

Step 4: Now change the asset() function like below code

function asset($path, $secure = null)
    {
        return app('url')->asset("public/".$path, $secure);
    }

Step 5: You just need to add "public/".  in path. now everything is done