Various autonomous bodies under the Ministry of Education made payments of ad hoc bonus to their employees without required approvals resulting in irregular payments amounting to over Rs 6 crore, the Comptroller and Auditor General (CAG) has pointed out. In an audit report tabled on Wednesday in Parliament, the CAG has highlighted that the payments of Non Productivity Linked Bonus (ad hoc bonus) were made during the period from 2015-16 to 2017-18.