| Addl. Secy. | Additional Secretary | D.S. | Deputy Secretary |
| S.O. | Section Officer | D.D. | Deputy Director |
| O&M | Organization & Methods | ERB | Ex-Servicemen Reemployment Board |
| PP&CM | Public Policy & Change Management | PCDC | Pension Cases Disposal Committee |
| R-I, II, III, IV | Regulations-I, II, III, IV |