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OPSC OAS Exam Notification | Eligibility Criteria | Selection Procedure | Exam Pattern | Preparation tips | Syllabus

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The Odisha Public Service Commission (OPSC) conducts the Odisha Administrative Service (OAS) examination to select candidates for various administrative roles in the state. Here’s an overview of the key details:

Eligibility Criteria

  • Educational Qualification: A bachelor’s degree in any discipline from a recognized university.
  • Age Limit: Generally, between 21 and 32 years, with relaxations for reserved categories.
  • Nationality: Indian citizenship is mandatory.
OPSC

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OAS Main Exam Notes in (hard copy) @ 1399/-

OAS Main study notes in pdf @ 999/-

OPSC OAS Selection Procedure

The OAS selection process consists of three stages:

  1. Preliminary Examination: Objective-type exam to shortlist candidates for the Mains.
  2. Main Examination: Written descriptive papers in various subjects.
  3. Personality Test/Interview: Conducted for candidates who qualify the Mains.

Exam Pattern

  • Prelims: Two papers (General Studies I and II), each carrying 200 marks and lasting 2 hours.
  • Mains: Nine papers, including Odia and English language papers, Essay, and two General Studies papers. Candidates choose two optional subjects with two papers each. Total marks for Mains are 2700.
  • Interview: 250 marks, with the final selection based on combined scores from the Mains and Interview.

Preparation Tips

  1. Understand the Syllabus: Familiarize yourself thoroughly with each section.
  2. Regular Current Affairs: For the prelims, stay updated on current events.
  3. Practice Writing: The Mains demand detailed answers and essays, so practice structuring responses.
  4. Mock Tests: Regular testing can improve speed and accuracy.
  5. Optional Subjects: Choose based on strengths and available resources.

Syllabus Highlights

The Examination process for OPSC OCS consists of 3 stages:

1). Preliminary Term (Objective MCQs Type)

2). Mains Exam (Subjective Type)

3). Personality Tes

  • Prelims: Covers History, Geography, Indian Polity, Economy, Current Affairs, and Basic Numeracy.
  • Mains: Includes detailed papers on Odia and English, Indian Constitution, Environmental Issues, Indian History, Geography, and essays on social, economic, and political topics. Optional subjects range from technical fields like Engineering to humanities.

The whole OPSC OCS examination process will be in offline mode. Following is the detailed exam pattern information regarding all the three stages

Preliminary Examination Pattern

OPSC OCS 2025 Preliminary

Paper Name No. of Marks Time Passing Criteria
General Studies 1 200 2 Hrs Cut-off Based
General Studies 2 200 2 Hrs Qualifying Paper – 33% marks

The candidates must know that there is a negative marking of one-fourth for each wrong answer.  

The Preliminary Examination shall consist of two papers of objective type (Multiple choice questions) and each paper shall be of two hours duration –

Total - 400 Marks

Paper - I : General Studies : 200 Marks {duration 02:00 hours (120 minutes)}

General Science

Current events - International & National

History of India and Indian National Movement

Indian Geography

World Geography

Indian Polity

Indian Constitution

Indian Economy

General Mental Ability

Paper - II : 200 Marks (duration 02:00 hours (120 minutes)

Comprehension

Interpersonal Skills

Logical Reasoning

Analytical Ability

Decision Making

Problem Solving

General Mental Ability

Basic Numeracy

Data Interpretation

English Language

NOTE : Second paper is qualifying of nature with secure 33% marks only.

OPSC Prelims Exam detailed Syllabus click here

The Preliminary Examination is meant to serve as screening test only. The marks obtained in Preliminary Examination by the candidates who are declared qualified for admission to main examination will not be counted for determining their final order of merit. The number of candidates to be admitted to the Main Examination would be 12 times of the total number of vacancies advertised.

Only those candidates who are declared by the Commission to have qualified in Preliminary Examination against a particular advertisement will be eligible for admission to the Main Examination against the said advertisement.

OCS Main Examination Pattern

The nature and standard of questions in this paper will be such that a welleducated person will be able to answer them without any specialized study.  The questions will be such as to test a candidate’s general awareness of a variety of subjects, which will have relevance for a career in Civil Services.

The Mains paper consists of 5 compulsory and 4 optional papers:

OPSC OAS Compulsory Papers Syllabus

Paper- Syllabus-
Paper 1- Odia Language
Paper 2- English
Paper 3- English Essay
Paper 4- General Studies I
Paper 5- General Studies II

OPSC OAS Compulsory Papers Syllabus

Odia-
  • Comprehension of a given passage;
  • Short Essay of approximately 1000 words;
  • Translation from English to Odia;
  • Precis writing with a passage of approximately 1000 words;
  • Grammar, usage and vocabulary;
  • Expansion of an idea.
English-
  • Comprehension of a given passage;
  • Short Essay of approximately 1000 words;
  • Translation from Odia to English;
  • Precis writing with a passage of approximately 1000 words;
  • Grammar, usage and vocabulary;
  • Expansion of an idea.
English Essay- Writing an essay on a specific topic
General Studies I-
  • Constitution of India;
  • Indian Polity;
  • Legal & Environmental Issues;
  • History of Modern India along with the Indian Culture;
  • Indian Geography;
  • Operation of the political system of India;
  • Current national issues and topics which are socially relevant;
  • Demography and Human Resource Development;
  • National Institutions:
  1. Role;
  2. Relevance;
  3. Need for change.
  • Social, behavioral issues and social welfare problems.
General Studies II-
  • Important Indian and Global events;
  • Indian Economy;
  • International Affairs and Institutions;
  • Statistical Analysis including graphs, pie charts and diagrams;
  • Important events in world and global affairs;
  • Development of Science & Technology along with communication;
  • Odisha Economy;
  • Foreign Affairs;
  • Regional Disparity;
  • External Security and other allied matters.

OPSC OAS Optional Paper 2023

Apart from the compulsory papers mentioned herein, candidates are also required to take optional papers. The subjects from which they are required to choose from are given in the table below:

Paper- Topics-
Optional Paper-
  • Animal Husbandry and Veterinary Science;
  • Agriculture;
  • Anthropology Agricultural Engineering;
  • Botany;
  • Civil Engineering;
  • Chemistry;
  • Commerce and Accountancy;
  • Electrical Engineering;
  • Economics;
  • Education;
  • Forestry;
  • Fisheries Sciences;
  • Geography;
  • Geology;
  • History;
  • Home Science;
  • Law;
  • Mechanical Engineering;
  • Mathematics;
  • Management;
Indian Language and Literature in any one of the mentioned languages:
  • Hindi;
  • Odia;
  • Sanskrit;
  • Persian;
  • English;
  • Urdu;
  • Philosophy;
  • Politics;
  • Physics;
  • Public Administration;
  • Psychology;
  • Political Science & International Relations;
  • Sociology;
  • Statistics;
  • Zoology.

However, while choosing the optional subjects there are some criteria the candidate is required to follow. The candidates cannot pair the following subjects together:

  • Any 2 engineering subjects;
  • Any 2 languages;
  • Political Science & International Relations with Public Administration;
  • Anthropology & Sociology;
  • Mathematics & Statistics;
  • Agriculture & Agricultural Engineering;
  • Education & Psychology.

All question papers will be addressed in English barring the language papers of the exam.

Personality Test / Interview

The candidate shall be interviewed by a Board to be constituted by the O,P.S.C. for the purpose. The said Board will have before them a record of his career. He will be asked questions on matters of general interest. The object of the interview will be to assess the personal suitability of the candidate for a career in public service.

The object of test shall be to judge the mental caliber of a candidate, his intellectual qualities as well as social traits and his interest in current affairs.

Further some of the qualities (to be judged will be) like mental alertness, critical powers of assimilation, clear and logical exposition, balance of judgment, variety and depth of interest, ability for social cohesion and leadership, intellectual and moral integrity, are to be judged by the said Board.

Important links

OAS study material pdf

OPSC General Studies Books PDF free download

OAS study material PDF free download

OPSC OAS Previous Year Papers - Download Free PDF

OPSC OAS Previous Year Papers OPSC Question Paper PDF

OAS Exam question Paper with answer

OAS Previous Year preliminary Question Paper with answers PDF

Previous year oas question paper with answers pdf

OAS Mains question Paper with answer PDF

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