OPSC OCS study guide
OPSC OCS · Work through your exam, one topic at a time.
The Odisha Civil Services Examination (OCS) is a state-level recruitment examination conducted by the Odisha Public Service Commission (OPSC) to select candidates for Group A and Group B posts in the Odisha state government. This page is an independent study resource for candidates preparing for the OCS, not an official OPSC channel, and it does not claim any affiliation with the Commission. The OPSC OCS study guide has 5 sections and about 1,461 words.
01General Studies (Preliminary and Main written papers)
General Studies is the spine of the OPSC Odisha Civil Services Examination: two objective papers of 200 marks each at the Preliminary stage, and two descriptive papers of 250 marks each in the Main written examination. Prelims is only a screening test; its marks do not enter the final merit, whereas the Main GS papers do.
343 words, about 2 min02Optional / subject-specific papers
The optional subject is the single largest block in the OCS Main written examination: two papers of 250 marks each, 500 marks in all, against 500 for the two GS papers and 250 for the Essay. You choose one subject from the Commission's notified list - History, Political Science, Public Administration, Geography, Economics, Sociology, Law, Mathematics, Botany, Zoology, Commerce and Accountancy, Management, Odia literature and others - and write both papers at honours depth.
309 words, about 2 min03Essay
The Essay paper carries 250 marks in the OCS Main examination and is written in three hours. It is not a General Studies answer: it tests whether you can sustain an argument, organise ideas across paragraphs and write with clarity and restraint on abstract, social, economic or governance themes.
273 words, about 1 min04Odia language and English language papers
The Odia and English language papers are each of 300 marks and three hours, but they are qualifying: you must pass them, and their marks are not added to the merit total. They test whether an officer can read, comprehend, summarise and write official-standard Odia and English.
267 words, about 1 min05Personality Test / Interview
The Personality Test carries 150 marks and follows the Main written examination. A board constituted by the Commission probes your background, education, home district, hobbies, current affairs and understanding of Odisha's administration.
269 words, about 1 min