Check with the respective handler which is to be enabled for nginx.

you just check and configure your nginx.conf file like below

location ~* \.php$ {  
    fastcgi_index   index.php;  
    fastcgi_pass    127.0.0.1:9000;    
    #fastcgi_pass   unix:/var/run/php-fpm/php-fpm.sock;    
    include         fastcgi_params;    
    fastcgi_param   SCRIPT_FILENAME    $document_root$fastcgi_script_name;    
    fastcgi_param   SCRIPT_NAME        $fastcgi_script_name;  
}