At the zonal levels, the principal head of the department is the Principal Chief Materials Manager(PCMM). The PCMM is assisted by Chief Materials Managers(CMMs). These CMMs in turn have various Dy. Chief Materials Managers, and in turn, they are assisted by the Senior Materials Managers and the Assistant Materials Managers. The Stores department manages about 200 warehouses that feed into the repair workshops and maintenance sheds. The Warehouses called depots headed by a Depot Officer. Depots attached to workshops are headed by Dy. CMMs, and electric and diesel locomotive sheds headed by SMMs. These depots directly reports to PCMM. Divisional setup is headed by Sr. DMMs who report to Divisional Railway Managers. Sr. DMMs are responsible for material management at divisional level by catering needs to others branches of divisions. They are responsible for coordination of scrap arising out of division in close association with the Engineering Department. Sr. DMMs also do uniform management for various grades of running staff such as guards, TTE, station masters.