SELECT COUNT(*) FROM `audit` JOIN `user` ON `user`.id=`audit`.`auditor_id` WHERE  `audit`.`auditor_id`=1 AND MONTH(`audit`.`created_date`)=NOW()

SELECT COUNT(*)
FROM `audit` JOIN `user` ON `user`.id=`audit`.`auditor_id`
WHERE  `audit`.`auditor_id`=1 AND MONTH(`audit`.`created_date`)=month(NOW())