. These lists are critical for determining promotions, transfers, and postings for over 2,500 Group 'A' medical officers. Official IRHS Seniority Portals

publish provisional and final seniority lists for non-gazetted and Group 'B' staff. Indian Railway Hierarchical Seniority Structure IRHS-DR - Ministry of Railways (Railway Board)

The central repository for Group 'A' and Group 'B' officers is available at the Ministry of Railways (Railway Board) Official Portal IRHS-DR (Direct Recruits): Lists specific seniority for doctors recruited via UPSC. Group 'B' Integrated Lists:

Covers medical department staff promoted through zonal quotas. Zonal Portals: Individual zones like Central Railway East Coast Railway

Seniority lists are updated periodically and can be accessed through the official Ministry of Railways website or zonal portals: Railway Board (National/Integrated):

Indian Railway Health Service (IRHS) (formerly the Indian Railway Medical Service or IRMS) maintains its seniority lists through the Ministry of Railways (Railway Board)