: Seniority is determined by the merit order established upon the completion of the probation period.
The Government of India has merged several Group ‘A’ railway services (including IRSS, IRTS, IRSE, IRAS, etc.) into a single starting from the 2022 batch onwards. This has huge implications: irss seniority list
The official IRSS Seniority List is typically published as a PDF on the or the Railway Board’s internal HRMS (Human Resource Management System) . For public reference, summaries may appear on RTI replies or UPSC annual reports. Here is what the columns typically represent: : Seniority is determined by the merit order
Recently updated for 2023, 2024, and 2025 . and 2025 .