Tier 1: Preliminary Exam (Qualifying)
This is a computer-based objective exam consisting of 100 questions. You have 60 minutes to complete it.
| Section | No. of Questions | Maximum Marks |
| General Intelligence & Reasoning | 25 | 50 |
| General Awareness | 25 | 50 |
| Quantitative Aptitude | 25 | 50 |
| English Comprehension | 25 | 50 |
| Total | 100 | 200 |
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Negative Marking: 0.50 marks for each wrong answer.
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Purpose: Only to shortlist candidates for Tier 2; these marks are not added to the final merit.
Tier 2: Mains Exam (Merit-Based)
Tier 2 is divided into three papers. Paper I is compulsory for all posts, while Papers II and III are post-specific.
Paper I (Compulsory for All Posts)
Conducted in two sessions on the same day.
| Session | Section | Module | Subject | Qs | Marks | Duration |
| Session I | Section I | Module I | Mathematical Abilities | 30 | 90 | 1 Hour |
| Module II | Reasoning & General Intelligence | 30 | 90 | |||
| Section II | Module I | English Language & Comprehension | 45 | 135 | 1 Hour | |
| Module II | General Awareness | 25 | 75 | |||
| Section III | Module I | Computer Knowledge Module | 20 | 60 | 15 Mins | |
| Session II | Section III | Module II | Data Entry Speed Test (DEST) | 1 Task | — | 15 Mins |