Post Office Service Period Eligibility for Promotion. Know How much Service required for promotion in Post office.
| PA To LSG | 5 Years in PA Cadre. |
| LSG to HSG-II | 6 years in LSG cadre |
| HSG-II to HSG-I | 5 years in HSG-II cadre |
| HSG-I to NFG | 2 years in HSG-I cadre |
| MTS to Postman | 3 years service |
| GDS to Postman | 5 years service |
| GDS to MTS | 3 years service |
| Postman to PA/SA | 3 years of service |
| MTS to PA/SA | 5 years of service |
| GDS to PA/SA | 5 years of service |
| PA/SA to Inspector Posts | 8 years of service |
| LSG/HSG cadre to PS Group B | 5 years of service |
| Inspector Posts to PS Group B | 5 years of service |