Are you preparing for the OSSSC RI, ARI, Amin, Supervisor Mains 2025 for posts like Revenue Inspector (RI), Assistant Revenue Inspector (ARI), Amin, or ICDS Supervisor? If yes, understanding the updated syllabus is the first smart move. This post breaks down the official detailed syllabus to help you prepare strategically and stay ahead in the competition.
OSSSC Mains Exam Pattern 2025 (Phase-II)
The OSSSC Mains is the second phase after the preliminary exam. It is conducted in OMR/CBRT mode and is MCQ-based.
| Subject | No. of Questions | Marks | Duration |
|---|---|---|---|
| Mathematics | 40 | 40 | |
| General Studies | 40 | 40 | |
| English | 40 | 40 | |
| Odia | 20 | 20 | |
| Computer Knowledge | 40 | 40 | 3 Hours |
| Total | 180 | 180 |
- Type: Objective (MCQ)
- Mode: OMR or CBRT
- Negative Marking: Yes, 0.33 marks for each incorrect answer
- Qualifying Marks:
- General/SEBC: 35%
- SC/ST/PwD/Ex-Servicemen/Sportsperson: 30%
OSSSC RI, ARI, Amin, Supervisor Mains Subject-Wise Syllabus
Mathematics (40 Marks)
- Number system
- HCF & LCM
- Simple and compound interest
- Ratio & proportion
- Profit and loss
- Time and work
- Time and distance
- Mensuration (Area, Volume, Perimeter)
- Average
- Algebra (basic concepts)
- Geometry (basic)
- Data interpretation
General Studies (40 Marks)
- Indian History & National Movement
- Geography of India & Odisha
- Indian Polity & Constitution
- Economy and Budget
- Environmental studies
- Current Affairs (International, National, Odisha)
- Books, Awards, Sports
- Government Schemes (especially for Odisha)
- Important days and events
English (40 Marks)
- Reading Comprehension
- Synonyms/Antonyms
- Sentence Correction
- Active/Passive Voice
- Tenses
- Articles, Prepositions
- One Word Substitution
- Idioms & Phrases
- Direct & Indirect Speech
- Spelling corrections
Odia (20 Marks)
- Odia Grammar
- Vocabulary
- Translation (Odia to English and vice versa)
- Comprehension
- Sentence structure
Computer Knowledge (40 Marks)
- Basic computer fundamentals
- MS Office (Word, Excel, PowerPoint)
- Internet, Email, Social Media usage
- Operating systems (Windows basics)
- Computer shortcuts
- Input/output devices
- Basic hardware/software knowledge
- Networking basics and cyber safety
Practical Skill Test (Phase-III)
| Subject | Max Marks | Duration |
|---|---|---|
| Practical Computer Skill Test | 50 | 1 Hour |
- Qualifying nature
- Minimum Marks Required: 40% (for all categories)
OSSSC RI, ARI, Amin, Supervisor Mains Preparation Tips
- Stick to the syllabus: Don’t study irrelevant topics.
- Make a weekly schedule for each subject, focusing more on weak areas.
- Solve mock tests to understand the exam pattern.
- Use Odia & English newspapers to stay updated on current affairs.
- Use NCERTs for basics in Maths and General Studies.
- Focus on Computer Basics from Class 10-12 level books or YouTube tutorials.
- Revise regularly.
Important Dates to Remember
- Main Exam Tentative Schedule: September– July-September 2025
- Practical Skill Test: Within two months after the Main Exam
FAQs – OSSSC RI, ARI, Amin, Supervisor Mains Syllabus
Q1. Is the OSSSC Mains Exam subjective or objective?
It is a fully objective MCQ-based exam.
Q2. Is there negative marking?
Yes, 0.33 marks will be deducted for each wrong answer.
Q3. What is the qualifying mark for General category candidates?
You need at least 35% marks in the Main exam.
Q4. Do marks in the Practical Skill Test count in the merit list?
No, the skill test is only qualifying in nature.
Q5. What is the syllabus level of the exam?
The syllabus is based on the standard of High School Certificate (Matric) level.
Q6. Will the exam be offline or online?
The mode (OMR or CBRT) will be announced later by OSSSC.
(OSSSC RI, ARI, Amin, and Supervisor Mains Exam 2025 is competitive but crackable. Stick to the syllabus, prepare smartly, and keep practicing. Keep an eye on www.osssc.gov.in for all official updates)
