The Odisha Sub-ordinate Staff Selection Commission (OSSSC) conducts the Combined Recruitment Examination (CRE) to recruit for various group-C posts including Revenue Inspector, Assistant Revenue Inspector, and Amin. The examination is highly competitive and structured in multiple stages to assess numerical skill, reasoning, language proficiency, general awareness, and domain-specific knowledge.
The OSSSC Combined Recruitment Exam (CRE) 2026 will be conducted in Computer Based Recruitment Examination (CBRE) mode, covering subjects like General Awareness, Mathematics, English, Odia, Reasoning, and Computer Knowledge. The exam includes a preliminary, main written, and practical skill test.
Selection Process
The recruitment process for these posts in 2026 typically consists of the following stages:
- Preliminary Examination
- Main Written Examination (for some patterns)
- Practical Skill Test (Basic Computer Skills)
- Document Verification & Merit List
Important: The Preliminary Test is usually qualifying in nature and may determine eligibility for further rounds. The Practical Skill Test assesses basic computer proficiency — a qualifying stage where candidates must score a minimum of 40%
Exam Pattern — Full Breakdown
The OSSSC Combined Recruitment Examination (CRE-IV) for 2026 follows a multi-stage selection process consisting of a Preliminary Exam, a Main Written Exam, and a Practical Skill Test.
OSSSC CRE 2026 Stage-Wise Exam Pattern
| Stage | Mode | Question Type | Total Marks | Duration | Negative Marking |
|---|---|---|---|---|---|
| Prelims | CBRE/OMR | MCQ (Objective) | 100 | 1.5 Hours | 0.33 per wrong |
| Mains | CBRE/OMR | MCQ (Objective) | 180 | 3 Hours | 0.33 per wrong |
| Skill Test | Practical | Practical Application | 50 | 30 Mins | N/A (Qualifying) |
Preliminary Exam Pattern (2026)
Subject Distribution:-
The Preliminary exam is qualifying in nature and consists of five key sections.
| Subject | Questions | Marks |
|---|---|---|
| Mathematics | 20 | 20 |
| General Studies | 20 | 20 |
| English | 20 | 20 |
| Odia | 15 | 15 |
| Computer Awareness | 15 | 15 |
| Logical Reasoning | 10 | 10 |
| Total | 100 | 100 |
Main Written Exam
Candidates qualifying the preliminary stage enter the Mains exam (if applicable to the recruitment cycle). Here the pattern expands:
The Main exam marks are used to prepare the final merit list.
| Subject | Questions | Marks |
|---|---|---|
| Mathematics | 40 | 40 |
| General Awareness | 40 | 40 |
| English | 40 | 40 |
| Odia | 20 | 20 |
| Computer Knowledge | 40 | 40 |
| Total | 180 | 180 |
Practical Skill Test (Basic Computer Skills)
This is usually a qualifying stage assessing basic computer knowledge.
| Feature | Details |
|---|---|
| Subjects Covered | MS Windows, MS Word, MS Excel, MS PowerPoint |
| Total Marks | 50 Marks |
| Duration | 30 Minutes |
| Qualifying Marks | 20 Marks (40% for all categories) |
| Nature of Test | Practical application (Qualifying only) |
Detailed Syllabus — Topic-Wise Breakdown
Understanding syllabus topics in depth allows aspirants to allocate study time wisely and target high-weightage areas.
1.Mathematics / Arithmetic
Arithmetic is the backbone of the exam and tests numerical aptitude and problem-solving skills.
- Number Systems (HCF/LCM, divisibility, factors)
- Percentage, Ratio & Proportion, Averages
- Profit & Loss, Discount
- Simple & Compound Interest
- Time, Speed & Distance
- Time & Work, Pipes & Cisterns
- Data Interpretation (charts, tables, graphs)
- Permutations & Combinations, Probability
- Mensuration (areas, volumes)
- Algebra (equations, simplification)
2. Logical Reasoning
Logical reasoning evaluates a candidate’s analytical and decision-making skill
- Analogies & Classification
- Series (number, alphabet)
- Coding-Decoding
- Blood Relations
- Direction Sense
- Puzzles & Seating Arrangements
- Syllogism & Statement-Conclusions
3. General Studies (GK & Current Affairs)
GK tests the aspirant’s awareness of national and state events, polity, history, geography, and science.
- History of India & Odisha — ancient to modern
- Geography (India & Odisha) — important features
- Indian Polity & Constitution
- Economy, Science & Technology
- Current Affairs — national & international
- World Organizations, Awards & Honors
- Static GK — capitals, currencies, major rivers
4. English
English assesses grammar, comprehension, and language usage.
- Reading Comprehension
- Vocabulary (synonyms, antonyms)
- Grammar (tenses, articles, prepositions)
- Sentence Correction
- Cloze Test & Error Detection
- Idioms & Phrases
5. Odia
Given OSSSC’s Odisha focus, proficiency in Odia language is essential.
- Reading & comprehension passages
- Grammar rules (Sandhi, Samas, Vibhakti)
- Vocabulary & synonym
- Letter/essay writing
- Error recognition & sentence arrangement
6. Computer Awareness
Basic computer knowledge is necessary, especially for the skill test.
- Operating systems (Windows basics)
- MS Office (Word, Excel, PowerPoint)
- Keyboard shortcuts & formatting
- Internet fundamentals
- Networking basics, email handling
Exam Preparation Tips 2026
Preparing for OSSSC RI, ARI, and AMIN exams requires smart strategy, consistency, and clear understanding of the syllabus. Since the competition level is high, candidates must plan their preparation carefully to score well in all sections.
1. Understand the Exam Pattern & Syllabus First
Before starting preparation:
- Carefully read the official syllabus and exam pattern
- Note the number of questions, marks, and negative marking
- Identify high-weightage subjects like Mathematics, Reasoning, and General Studies
2. Create a Time-Table
Divide your study plan to cover all subjects properly:
Morning: Mathematics + Reasoning
Afternoon: General Studies + GK
Evening: English + Odia
Night (Revision): Mock tests + practice papers
Study at least 5–6 hours daily
Keep 1 hour for revision every day
3. Focus on High Weightage Topics
Subjects like mathematics, reasoning, and general studies often carry high importance. Prioritize daily practice on topics like:
- Percentage, ratio & proportion
- Data interpretation
- Current affairs
- Grammar basics
4.Use Quality Study Resources
Refer to trusted books and online resources:
- Quantitative Aptitude standard books
- General Knowledge compendiums
- Language grammar guides
- Monthly current affairs capsules
Mock tests and previous year papers significantly help sharpen time management and exam readiness.
5. Practice Mock Tests & Previous Year Papers
Mock tests are a game-changer.
✔️ Attempt weekly mock tests
✔️ Analyze mistakes carefully
✔️ Improve weak sections
✔️ Learn time management
6. Revision Strategy
Without revision, preparation is incomplete.
Best Revision Method:
Daily revision – 30 minutes
Weekly revision – 2–3 hours
Monthly revision – full syllabus check
Use:
Short notes
Formula sheets
One-liner GK notes
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