IRMS is conducted by Union Public Service Commission (UPSC) for Ministry of Railways. It is a Offline (Pen & Paper — OMR) exam consisting of 180 questions for 400 marks with a duration of 240 minutes.
There is a negative marking of 0.33 per wrong answer. The minimum qualifying score is Varies by category.
| Section | Questions | Weightage |
|---|---|---|
| General Studies Paper I | 100 | 50% |
| CSAT Paper II (qualifying 33%) | 80 | 50% |
| Total | 180 | 100% |