OPSC Syllabus 2025 – Download Prelims & Main Exam PDF
Explore the complete OPSC Syllabus 2025 for Odisha Civil Services – detailed Prelims (GS I & II) and Mains (papers I–VII+ optional). Get the latest exam pattern, PDF download link, and Odisha-specific topics to shape your prep strategy.
The Odisha Public Service Commission (OPSC) conducts the Odisha Civil Services (OCS) exam to recruit Group A and Group B officers, including OAS, OFS, OPS, and others. This article provides the complete and original OPSC syllabus for both Prelims and Mains, including detailed topics, marks, recommended books, PDF download, preparation tips, and specialization guidance.
OPSC OAS Exam Overview
Component
Details
Exam Name
Odisha Civil Services Exam (OPSC OAS)
Conducting Body
Odisha Public Service Commission (OPSC)
Stages
Prelims, Mains, Interview
Mode of Exam
Offline (Pen & Paper)
Medium
English & Odia
Total Marks
2,000 (Prelims + Mains + Interview)
OPSC Prelims Syllabus 2025
Exam Pattern
Paper
Subject
Marks
Duration
Nature
Paper 1
General Studies I
200
2 Hours
Merit-Based
Paper 2
General Studies II (CSAT)
200
2 Hours
Qualifying (33% Required)
Topic-Wise Prelims Syllabus
Subject
Topics
Current Affairs
Odisha & Indian Government Schemes, Reports, Awards, Sports, Summits, International Events
History
Ancient, Medieval, Modern Indian History, Odisha History (Kalinga War, Gajapati Rule)
Geography
Physical & Human Geography, Odisha Rivers, Soils, Resources, Climate, Urbanization
Polity
Indian Constitution, Panchayati Raj, Odisha Governance, Political Institutions
Economy
Indian & Odisha Economy, Budget, Planning, Poverty, Unemployment, Sectors
NCERT 6–12, Bipan Chandra, Odisha History by Dr. Tripathy
Geography
NCERTs, Majid Husain, Odisha Atlas
Polity
Laxmikanth’s Indian Polity
Economy
Ramesh Singh, Economic Survey, Odisha Budget
Science & Tech
NCERTs, Current Affairs Magazines
Ethics
Lexicon, Subbarao, ARC Reports
CSAT
RS Aggarwal, TMH CSAT Manual
Odia/English
School Grammar Books, Essay Books
Preparation Strategy
Phase
Strategy
Foundation
Start with NCERTs, focus on Odisha-specific topics
CSAT
Practice reading comprehension and quantitative aptitude
GS Papers
Cover syllabus line by line, make short notes
Essay/Ethics
Practice weekly writing and case studies
Optional
Select based on graduation or strong subjects
Revision
Revise monthly, take mock tests and PYQs
Specialization in OPSC
The Mains optional subject allows for subject-specific specialization. Choose based on:
Graduation background
Availability of study material
Personal interest and aptitude
Conclusion
The OPSC OAS syllabus is comprehensive but can be mastered with smart planning and consistent effort. With a detailed understanding of each paper, strategic preparation, and regular revision, aspirants can succeed in one of Odisha’s most prestigious exams.