Get the complete OPSC Syllabus 2025 for OAS Prelims and Mains. Check the detailed exam pattern, subject-wise topics, and preparation tips for success.
The Odisha Public Service Commission (OPSC) conducts the Odisha Civil Services (OCS) Exam annually to recruit candidates for Group A and B services. This highly competitive examination attracts thousands of aspirants each year, aiming to secure a prestigious role in the state administration.
For 2025, the OPSC has announced 200 vacancies. This article provides a comprehensive guide to the syllabus and exam pattern, covering both preliminary and mains examinations, along with detailed information about the interview process.
Overview of OPSC OCS Exam 2025
The OPSC OCS Exam 2025 is a three-stage examination that includes the Preliminary Exam, Mains Exam, and Personality Test/Interview. Candidates must clear each stage to move forward in the selection process. Below is a summary of the key details:
Organization Name: Odisha Public Service Commission
Exam Name: Odisha Civil Services Exam 2025 (OPSC OCS 2025)
Post Name: Group A and B
Vacancies: 200
Category: Syllabus
Exam Date: July 2025 (Tentative)
Mode of Exam: Offline
Negative Marking: Prelims: ⅓ mark (0.33)
Selection Process: Preliminary, Mains, and Personality Test/Interview
Official Website: www.opsc.gov.in
Stages of OPSC OCS Exam
- Preliminary Examination: Serves as a qualifying round to shortlist candidates for the mains examination.
- Mains Examination: Consists of descriptive papers to assess a candidate’s in-depth knowledge.
- Personality Test/Interview: Evaluates personality, communication skills, and suitability for administrative roles.
Understanding each stage’s specifics is crucial for effective preparation.
OPSC OCS Prelims Exam Pattern 2025
The Preliminary Examination tests general awareness and analytical skills. It includes two mandatory papers:
- Papers: Two General Studies papers (Paper I and Paper II)
- Question Type: Objective (Multiple Choice Questions)
- Duration: 2 hours per paper
- Marks: 200 marks per paper
- Negative Marking: 0.33 marks deducted for each incorrect answer
Qualifying Criteria:
- Minimum 33% marks in GS Paper II
- GS Paper I qualifying marks decided by the commission
| Subject | No. of Questions | Maximum Marks | Duration |
|---|---|---|---|
| General Studies Paper I | 200 | 200 | 2 hours |
| General Studies Paper II | 200 | 200 | 2 hours |
OPSC OCS Mains Exam Pattern 2025
The Mains Exam assesses intellectual and academic capabilities through nine papers:
- Total Papers: Nine (Two qualifying, seven for merit assessment)
- Duration: 3 hours per paper
Qualifying Marks:
- Minimum 25% in Odia and English Language papers
Qualifying Papers
| Subject | Maximum Marks | Duration |
|---|---|---|
| Odia Language | 250 | 3 hours |
| English Language | 250 | 3 hours |
Merit Assessment Papers
| Subject | Maximum Marks | Duration |
|---|---|---|
| Paper I: Essay | 250 | 3 hours |
| Paper II: General Studies I | 250 | 3 hours |
| Paper III: General Studies II | 250 | 3 hours |
| Paper IV: General Studies III | 250 | 3 hours |
| Paper V: General Studies IV | 250 | 3 hours |
| Paper VI: Optional Paper I | 250 | 3 hours |
| Paper VII: Optional Paper II | 250 | 3 hours |
Total Marks (Mains): 1750
Interview: 250 marks
Grand Total: 2000 marks
OPSC OCS Prelims Syllabus 2025
General Studies Paper I
- Current events (national and international)
- History of India and Indian National Movement
- Geography of India and the world
- Indian Polity and Governance
- Economic and Social Development
- Environmental Ecology and Climate Change
- General Science
General Studies Paper II
- Comprehension
- Logical reasoning and analytical ability
- Decision-making and problem-solving
- Data interpretation and basic numeracy
OPSC OCS Mains Syllabus 2025
Qualifying Papers
- Odia Language: Includes comprehension, précis writing, essays, and translation (Odia to English and vice versa).
- English Language: Similar parameters as the Odia Language paper.
Merit-Based Papers
- Essay: Topics of general interest.
- General Studies Papers: Cover culture, history, geography, governance, technology, environment, and ethics.
- Optional Papers: Candidates choose two subjects (e.g., Geography, Political Science, Sociology).
Interview/Personality Test
- Marks: 250
- Focus: Assesses critical thinking, integrity, and communication skills.
Candidates can download the detailed syllabus from the official website. A well-structured study plan is key to success in this competitive exam.