The complete OAS Syllabus is the single sheet of paper that decides how an Odisha Civil Service aspirant spends the next twelve months. The Odisha Public Service Commission runs this recruitment in three separate stages, and each stage asks for a different kind of reading. On this page you will find the full stage-wise plan, the paper-wise mark split, the topic list for both prelims papers, the mains chapter breakdown and the list of thirty optional subjects, all laid out in tables you can scroll on a phone.
Most beginners waste their first three months because they start collecting books before they read the syllabus once. Do the opposite. Read the tables below slowly, tick the topics you already know from graduation, and mark the ones that scare you. That single hour of planning saves months later. The OAS Syllabus 2026 given here follows the pattern published by the commission, and the marks, timings and paper names match the notification wording.
OAS Syllabus 2026 Exam Pattern – Key Details
The Odisha Civil Service selection runs through three gates. A candidate who clears the objective screening moves to a long written stage, and only that shortlist reaches the personality board. The table below is the fastest summary of the whole OAS Syllabus structure – stage name, question type, permitted language and total marks.
| Name Of Exam | Type | Language | Marks |
|---|---|---|---|
| Preliminary Examination | MCQ (Offline & Objective) | English, Hindi | 400 |
| Main Examination | Long Question (Offline & Subjective) | English | 2600 |
| Interview | Viva | English, Hindi | 250 |
↔ On a phone, swipe this table sideways to see the Language and Marks columns.
Notice that the prelims marks are only a screening filter. The final merit list is prepared from the mains and the interview, which together carry 2850 marks as per the notification. So the OAS Syllabus for the mains deserves far more of your calendar than the prelims list does, even though prelims comes first.
Preliminary Examination – Mark Split
The preliminary examination has two objective papers of two hours each, carrying 200 marks per paper. Both papers are compulsory and both are of the multiple choice type, so the prelims half of the OAS Syllabus must be finished well before the form date.
| Paper | Subject | Marks | Time |
|---|---|---|---|
| Paper-1 | General studies | 200 | 2 hours |
| Paper-2 | General studies | 200 | 2 hours |
↔ On a phone, swipe this table sideways to see the Marks and Time columns.
Mains Examination – Paper and Mark Split
The mains stage of the OAS Syllabus has nine papers spread over five compulsory subjects and two optional subjects. Each optional subject carries two papers, so the optional block alone is four papers and 1200 marks.
| Type | Paper | Subject | Mark | Time |
|---|---|---|---|---|
| Compulsory | Paper- 1 | Odia language | 300 | 3 hours |
| Paper- 2 | English | 300 | 3 hours | |
| Paper- 3 | English essay | 200 | 3 hours | |
| Paper- 4 | General studies-1 | 300 | 3 hours | |
| Paper- 5 | General studies-2 | 300 | 3 hours | |
| Optional | Paper- 6 | Two subjects to be selected from the list of 30 optional subjects set out below. Each subject will have two papers (Total 4 papers) | 300 | 3 hours |
| Paper- 7 | 300 | 3 hours | ||
| Paper- 8 | 300 | 3 hours | ||
| Paper- 9 | 300 | 3 hours | ||
| Total | 9 papers | 7 Subjects | 2600 | 36 hours |
↔ On a phone, swipe this table sideways to see the Mark and Time columns.
Interview – Mark Split
| Subject | Marks | Time |
|---|---|---|
| Various Field (Check Below) | 250 | 45-60 minutes |
Before you start any book on the OAS Syllabus 2026, also confirm that you meet the age and degree rules in the Odisha OAS Eligibility Criteria page, and check the form dates on the Odisha OAS Apply guide. A perfect study plan is useless if the form window closes.
Download – All Odisha 63,000 PYQ
OAS Syllabus for the Preliminary Examination
The preliminary examination shall consist of two papers of objective type (Multiple Choice Questions) and each paper shall be of two hours duration carrying 200 marks each, for a total of 400 marks. Paper 1 tests general awareness and static knowledge. Paper 2 tests aptitude, reasoning and comprehension. The prelims part of the OAS Syllabus is broad but shallow, so wide reading beats deep reading here.
| Paper | Topics Covered |
|---|---|
| Paper 1 |
|
| Paper 2 |
|
Odisha-specific current affairs sit inside the national current events line of the OAS Syllabus, so track state schemes, state budget headlines and Odisha sports news along with the national papers. Solving old objective sets is the quickest way to feel the depth the commission expects – start with the OPSC OAS previous year question papers and then move to a general set like the Odisha GK question bank.
OAS Syllabus 2026 for the Mains Examination
The mains is where the exam is actually won. Answers are written by hand, marks come from structure and clarity, and the examiner rewards a candidate who answers the exact question asked. The mains part of the OAS Syllabus begins with two language papers and one essay paper, and the chapter split for those three is fixed by the commission.
Language and Essay Papers
| Paper | Subject | Marks | Chapters |
|---|---|---|---|
| Paper-1 | Odia language | 30 | Comprehension of a given passage |
| 40 | Precis writing with a passage of around 1000 words | ||
| 30 | Translation from English to Oriya | ||
| 80 | Grammar, usage and vocabulary | ||
| 100 | Short Essay of around 1000 words | ||
| 20 | Expansion of an idea | ||
| Paper-2 | English | 30 | Comprehension of a given passage |
| 40 | Precis writing with a passage of around 1000 words | ||
| 40 | Translation from Oriya to English | ||
| 30 | Grammar, usage and vocabulary | ||
| 80 | Short Essay of around 1000 words | ||
| 100 | Expansion of an idea | ||
| Paper-3 | English Essay | 200 | Candidates will be required to write an Essay on a specific topic. The choice of subjects will be given. They will be expected to keep closely to the subject of the essay to arrange their ideas in orderly fashion and to write concisely. Credit will be given for effective and exact expression. |
↔ On a phone, swipe this table sideways to see the Marks and Chapters columns.
Download – All Odisha 63,000 PYQ
General Studies Papers
The two general studies papers of the OAS Syllabus carry 300 marks each and cover history, culture, geography, polity, economy, international affairs and basic statistics. Read the coverage column below carefully – the Odisha-specific lines inside it are the part most outside candidates ignore.
| Paper | Subject | Marks | Syllabus Coverage |
|---|---|---|---|
| Paper-4 | General Studies-1 | 300 |
The History of Modern India will cover the following :
Indian culture will cover the following;
Geography of India will cover the following-
Indian Polity will include the following-
Current National issues and topics of social relevance
Legal and environmental issues –
|
| Paper-5 | General Studies-2 | 300 |
India and the World :
Indian Economy :
International Affairs & Institutions :
Developments in the field of science & technology, communications and space : Statistical Analysis, Graphs & Diagrams : |
↔ On a phone, swipe this table sideways to see the Marks and Syllabus Coverage columns.
30 Optional Subjects in the OAS Syllabus
The optional block is the heaviest single part of the OAS Syllabus. Two optional subjects must be chosen from the list of thirty given below, and together they carry 1200 of the 2600 mains marks. Pick the pair you can actually write about for three hours, not the pair someone on the internet called scoring. Graduation subject, available study material and past answer-writing comfort should drive the choice.
| Sl. No. | Optional Subject |
|---|---|
| 1 | Agriculture |
| 2 | Chemistry |
| 3 | Anthropology |
| 4 | Agricultural Engineering |
| 5 | Botany |
| 6 | Animal Husbandry & Veterinary Science |
| 7 | Physics |
| 8 | Commerce & Accountancy |
| 9 | Economics |
| 10 | Electrical Engineering |
| 11 | Education |
| 12 | Fisheries Science |
| 13 | Forestry |
| 14 | Geography |
| 15 | Geology |
| 16 | Home Science |
| 17 | History |
| 18 | Indian Language & Literature (any one)-Odia, Hindi, Sanskrit, English, Persian,Urdu. |
| 19 | Law |
| 20 | Management |
| 21 | Mathematics |
| 22 | Mechanical Engineering |
| 23 | Philosophy |
| 24 | Civil Engineering |
| 25 | Zoology |
| 26 | Public Administration |
| 27 | Psychology |
| 28 | Sociology |
| 29 | Statistics |
| 30 | Political Science & International Relations |
Each optional subject in the OAS Syllabus is split into two papers of 300 marks each. That means one weak optional can cost you 600 marks, which is more than the entire prelims. Look at the closing marks of earlier years on the OAS exam cut off marks page before you finalise the pair.
Interview and Personality Test Stage
The last stage is a viva of 250 marks that usually runs for about 45 to 60 minutes. The board may speak in English or Hindi. The OAS Syllabus fixes no topic list for this stage, which is why the interview table simply says various fields. The four areas below are what boards return to most often.
- Your own bio-data. Home district, graduation subject, hobbies and any work experience written on the form are fair game.
- Odisha affairs. District profile, local industry, tribal welfare schemes and state government programmes.
- National and world current affairs. The last six months of headlines, with your own balanced opinion.
- Administrative judgement. Short situation questions that check calmness rather than knowledge.
Speak slowly, admit it plainly when you do not know something, and never argue with the board. Marks here are close, so a candidate scoring 190 instead of 150 can move up several ranks. Compare the stage-wise numbers on the OPSC OAS cut off marks page to see how much the interview can shift a final rank.
About the OAS Exam Conducted by OPSC
Odisha Administrative Service, still known to most people as OAS, is the top state civil service recruitment in Odisha, and the OAS Syllabus published with each advertisement governs every stage of it. The Odisha Public Service Commission conducts it and fills Group-A and Group-B posts across departments, with the scale of pay mentioned in each year notification. The exam is held for the Odisha Civil Services along with several allied services announced in the same advertisement.
Online applications are invited through the commission portal, and the application form is made available on the website opsconline.gov.in. Always confirm the notification, the vacancy break-up and the closing date on the official OPSC website at opsc.gov.in before you apply, because a coaching notice or a social media post is not a legal document.
The exam is considered one of the toughest recruitments in the state because it has three stages, and every stage removes a large share of the candidates. That is exactly why a clear reading of the OAS Syllabus matters more than the number of books on your table.
Best Books to Cover the OAS Syllabus
You do not need a library to finish the OAS Syllabus. A short, repeated list beats a long, half-read one. These titles map directly onto the topic lines printed in the tables above, and nothing here is optional reading.
- NCERT History, Geography and Economics, class 6 to 12. This is the base layer for both general studies papers.
- Indian Polity by M. Laxmikanth. Covers the constitution, political system and Panchayati Raj lines of the syllabus.
- An Odisha-specific general knowledge book. Needed for state history, temple architecture, physiography and the Orissan economy topics.
- One national daily plus a monthly current affairs magazine. Read the editorial page for mains, the news page for prelims.
- A CSAT practice book. Handles comprehension, reasoning and class ten level numeracy for Paper 2.
- An Odia grammar and composition book. The Odia language paper carries 300 marks and is often taken lightly.
- Two standard graduation level texts for each optional subject. Plus previous year answer scripts if you can get them.
How to Prepare With the OAS Syllabus 2026
Preparation only works when the OAS Syllabus sits on your desk, not in a bookmark folder. Print the tables above, keep them beside your notebook, and tick a line the day you finish it. Below is a simple routine that suits a working candidate as well as a full-time aspirant.
- Break the syllabus into weekly blocks. One general studies theme plus one optional chapter per week is a realistic pace.
- Write answers from week one. The mains is a writing exam. Reading alone never builds the speed you need for a three hour paper.
- Keep a single current affairs notebook. One page per month, split into national, international and Odisha columns.
- Revise on a fixed cycle. Revisit any new topic after one day, one week and one month.
- Attempt a full length prelims mock every Sunday. Two hours, no pauses, and check the answer key the same evening.
- Track your weak lines in the OAS Syllabus. Mark them in red and give them the first slot of your morning.
Practising with real papers is the fastest reality check available. Aspirants who also sit for related commission exams often work through the OPSC OMAS previous year question papers, because the general studies pattern overlaps and the extra practice costs nothing.
Finally, do not chase every new source. The OAS Syllabus 2026 has not changed shape in recent cycles, so an older standard book plus fresh current affairs is enough. Depth on the listed topics beats width on unlisted ones.
Important Links for OAS Aspirants
The OAS Syllabus is only one piece of the puzzle. These pages cover the rest of the OAS journey – the form, the eligibility rules, the old papers and the closing marks of earlier years.
| Topic | Read More |
|---|---|
| Odisha OAS Apply 2026 – Form, Question and Eligibility | Open |
| OPSC OAS Previous Year Question Papers | Open |
| Odisha OAS Eligibility Criteria | Open |
| OAS Exam Cut Off Marks | Open |
| OPSC OAS Cut Off Marks | Open |
OAS Syllabus – Frequently Asked Questions
What is the full OAS Syllabus 2026 in short?
The OAS Syllabus 2026 has three stages. Prelims is two objective papers of 200 marks each, mains is nine descriptive papers worth 2600 marks, and the interview carries 250 marks. The full topic list for each stage is given in the tables on this page.
How many papers are there in the OAS Syllabus for the mains examination?
The OAS Syllabus lists nine mains papers in total. Five are compulsory – Odia language, English, English essay, General Studies-1 and General Studies-2. The remaining four come from the two optional subjects you select, since each optional has two papers.
Are the prelims marks added to the final merit list?
No. In the OAS Syllabus the preliminary examination is only a screening test. The final merit is prepared from the mains total of 2600 marks and the interview total of 250 marks, as per the notification.
Which languages are allowed in the OAS exam?
Prelims and the interview may be taken in English or Hindi. The mains descriptive papers are in English, except the Odia language paper, which is written in Odia. The language column in the pattern table above shows this clearly.
How many optional subjects do I have to choose?
The OAS Syllabus asks you to choose two optional subjects from the list of thirty printed above. Each of those two subjects carries two papers of 300 marks, so the optional block adds up to 1200 marks.
Does the OAS Syllabus include Odisha specific topics?
Yes. The OAS Syllabus names Odisha topics directly – temple architecture of Orissa, Orissa physiography and drainage, Orissa natural resources, government and politics in Orissa, Panchayati Raj institutions in Orissa and the Orissan economy after the reform period.
What is asked in Paper 2 of the OAS Syllabus for prelims?
In the OAS Syllabus, Paper 2 covers comprehension, interpersonal and communication skills, logical reasoning, analytical ability, decision making, problem solving, general mental ability, basic numeracy at class ten level and English language comprehension at class ten level.
How long is the OAS interview and what is asked?
The interview runs for about 45 to 60 minutes and carries 250 marks. The OAS Syllabus fixes no topic list for it. Boards usually move between your bio-data, your graduation subject, Odisha affairs and current national issues.
Is there negative marking in the OAS preliminary examination?
The prelims papers of the OAS Syllabus are of the multiple choice type. Penalty rules for wrong answers are stated in the official advertisement for each cycle, so read the current notification on the OPSC website before the exam rather than relying on old blog posts.
How much writing time does the OAS Syllabus mains stage need?
Each of the nine mains papers in the OAS Syllabus is of three hours, which comes to 36 hours of writing in total, as shown in the mains table. That is why answer writing speed matters as much as knowledge.
Where can I download the OAS Syllabus and old question papers?
The topic-wise syllabus on this page can be printed straight from your browser. For old papers, use the combined question bank linked at the top of this page and the OPSC OAS previous question collection linked in the table above.
Can a candidate from outside Odisha write the OAS exam?
Domicile, age and knowledge of Odia requirements are set in the advertisement, and the Odia language paper of the OAS Syllabus is compulsory in the mains. Check the current eligibility page and the official notification before applying.
Conclusion
The OAS Syllabus is long, but it is not vague. Every line above comes from the commission pattern, and every mark shown has a paper attached to it. Read the stage table, then the paper tables, then the topic lists, and you will already know more about this exam than most people who start preparing this month.
Keep this page open through your preparation and tick off topics as you finish them. Pair the OAS Syllabus 2026 with steady answer writing, one good Odisha general knowledge book and regular practice on old papers, and the three stages stop feeling frightening. Bookmark the page, download the combined question bank above, and start with the very first line of Paper 1 today.

