The Nigerian Prisons Service Operations Directorate has the following responsibility:
- Ensuring that all prisons nation-wide are administered according to law and managed in conformity with the United Nations Standard Minimum Rules for the Treatment of Prisoners (The Mandela Rules);
- Ensuring the maintenance of acceptable standard of activities in all prisons according to their security categorization;
- Ensuring proper control by setting appropriate machinery in motion for effective monitoring of inmates for enhanced security management: thwarting escapes, prevention and containment of riots and generally providing secure environment for the staff and inmates in the performance of prison duties;
- Collecting statistical data for planning and research for improved service delivery;
- Enlightening the general public on the activities of the Service thereby enlisting their cooperation toward the reintegration of discharged inmates into the society;
- Securing escort duty staff as well as the inmates they convey to and from courts and prisons;