Group 'A' Posts - Group A posts is filled by by UPSC - appointed through Civil Service Exam, Engineering Service Exam, and Combined Medical Service Examination.
✔️ Group 'B' Posts - This posts are not open to directly. The Group B posts link Section Officers Grade - upgraded posts from Group 'C' railway employees on deputation basis.
✔️ Group 'C' Posts - Technical and Non-Technical cadre posts like Clerk, Station Master, Ticket Collector, Commercial Apprentice, Traffic Apprentice, Engineering posts (Civil, Mechanical, Electrical, Signal & Telecommunication) etc.
✔️ Group 'D' Posts - These posts in various disciplines include Trackman, Helper, Assistant Points Man, Safaiwala / Safaiwali, Gunman, Peon etc.
✔️ Other Posts ↪ ITI Apprentices, Sports Quota, Cultural Quota, Scouts and Guides Quota etc.