How Optional Papers Work
The referenced OPSC OAS syllabus lists one optional subject chosen for two merit papers of 250 marks each, making 500 marks combined. Candidates must select a subject from the officially notified list.
OPSC OAS Optional Subjects
Choose from the subject list below, reproduced as an educational guide from the existing published syllabus. Verify the subject options for your examination cycle against the latest OPSC notification.
How to Choose Your Optional
Consider your educational background, genuine interest, availability of authentic syllabus and standard material, previous-year questions, and the time needed for repeated writing practice. Avoid choosing only because of claims about high-scoring subjects.
Optional Preparation Strategy
Read the optional syllabus line by line, review several years of questions, prepare topic-wise concise notes, practise timed answers, and arrange feedback before the Mains examination.
Optional Mentorship at RAYACADEMY IAS
Explore RAYACADEMY IAS optional preparation and mentorship support, including Political Science and International Relations where available.
Complete Subject List
- Agriculture
- Agricultural Engineering
- Animal Husbandry and Veterinary Science
- Anthropology
- Botany
- Chemistry
- Civil Engineering
- Commerce and Accountancy
- Economics
- Education
- Electrical Engineering
- Fishery Science
- Forestry
- Geography
- Geology
- History
- Home Science
- Law
- Management
- Mechanical Engineering
- Medical Science
- Political Science and International Relations
- Psychology
- Public Administration
- Sociology
- Statistics
- Zoology
- Literature (English, Hindi, Odia, Persian, Sanskrit, Urdu)
Educational guidance; the latest official notification and applicable recruitment rules take precedence.
Frequently Asked Questions
How many optional papers are in OPSC OAS Mains?
Two optional papers of 250 marks each are listed in the referenced syllabus.
Can I choose Political Science and International Relations?
Political Science and International Relations appears in the published list; confirm the current notification before selecting it.
Detailed OPSC Reference Guide
Why optional selection matters
The referenced OPSC Mains structure assigns 250 marks each to Optional Paper I and Optional Paper II. Together they represent 500 of the 1,750 written merit marks. A stable subject choice and consistent answer-writing practice are therefore important.
Complete subjects and literature options
Subjects in the referenced syllabus include Agriculture, Agricultural Engineering, Animal Husbandry & Veterinary Science, Anthropology, Botany, Chemistry, Civil Engineering, Commerce & Accountancy, Economics, Education, Electrical Engineering, Fishery Science, Forestry, Geography, Geology, History, Home Science, Law, Management, Mechanical Engineering, Medical Science, Political Science & International Relations, Psychology, Public Administration, Sociology, Statistics and Zoology. Literature options listed include English, Hindi, Odia, Persian, Sanskrit and Urdu. Check the latest official list for your cycle.
How to compare optional subjects
Compare the complete syllabus, your interest, prior academic background, number of new concepts, availability of standard books, the style of previous-year questions and access to reliable answer evaluation. Do not choose solely because somebody claimed a subject is scoring.
Political Science and International Relations (PSIR)
PSIR includes political theory, Indian political thought, comparative politics, public institutions and international relations. Familiarity with polity and current affairs can help, but optional answers require deeper theorists, concepts and analytical structures than General Studies alone.
Sociology and Anthropology
Sociology studies social institutions, thinkers, theories and Indian social change; Anthropology combines biological, social and cultural approaches. Compare actual Paper I and Paper II syllabi and recent questions before deciding.
Geography, History and Public Administration
Geography expects physical/human geographic concepts, maps and diagrams; History requires command of chronology, themes and historical interpretation; Public Administration focuses on administrative theory, organisations and public policy. Evaluate fit with your strengths and preparation time.
Three-stage optional study plan
Stage 1: annotate the official syllabus and prepare source notes. Stage 2: connect each topic to previous-year questions and generate structured answers. Stage 3: conduct timed tests, add case examples or diagrams, obtain feedback and revise weak themes.
What to ask before joining an optional class
Check the teacher’s subject expertise, complete Paper I/Paper II coverage, frequency of answer evaluation, batch schedule, recorded support and whether the course is designed for the current OPSC syllabus.
RAYACADEMY IAS optional programmes
Explore RAYACADEMY IAS optional preparation, including PSIR where available, and one-to-one mentorship for planning and answer-writing feedback.