OPSC OCS Main Exam Date 2026 - Check Subject Code List for Written Exam at opsc.gov.in
The Odisha Public Service Commission (OPSC) has released the OPSC OCS Main Subject Code List 2026 for the OCS Main (Written) Examination-2025 under Advertisement No. 05 of 2025-26. The notice, dated 13 October 2026, lists 75 subject codes covering compulsory papers, optional subjects and Indian Language & Literature papers. Candidates appearing for the examination scheduled from 29 October to 7 November 2026 must mention the correct subject code in their Question-cum-Answer Booklets. Candidates can check the complete subject-wise code list and official notice below.
Quick Overview - OPSC OCS Main Exam Date 2026
| Detail | Information |
|---|---|
| Organization | Odisha Public Service Commission (OPSC) |
| Examination | OCS Main (Written) Examination-2025 |
| Advertisement | Advt. No. 05 of 2025-26 |
| Notice No. | 5800/PSC |
| Notice Date | 13.10.2026 |
| Exam Schedule | 29.10.2026 to 07.11.2026 |
| Purpose of Notice | To tell candidates which Subject Code to mention in the Question-cum-Answer Booklet |
| Total Codes Listed | 75 (01 to 75) |
| Official Website | www.opsc.gov.in |
OCS Main Exam 2026 Important Dates
| Event | Date |
|---|---|
| Subject code notice issued | 13.10.2026 |
| OCS Main (Written) Examination begins | 29.10.2026 |
| OCS Main (Written) Examination ends | 07.11.2026 |
What Is the Subject Code in OCS Main?
A subject code is a two-digit number assigned to each paper. According to the notice, candidates appearing in the OCS Main (Written) Examination-2025 are advised to write the code of the paper they are attempting in their Question-cum-Answer Booklet.
OCS Main Compulsory Papers Subject Codes
| Sl. No. | Compulsory Paper | Subject Code |
|---|---|---|
| 1 | Odia Language | 01 |
| 2 | English Language | 02 |
| 3 | Essay | 03 |
| 4 | General Studies, Paper-I | 04 |
| 5 | General Studies, Paper-II | 05 |
| 6 | General Studies, Paper-III | 06 |
| 7 | General Studies, Paper-IV | 07 |
OCS Main Optional Subject Code List
The table below groups each optional subject with its Paper-I and Paper-II codes, exactly as numbered in the OPSC notice.
| Optional Subject | Paper-I Code | Paper-II Code |
|---|---|---|
| Agriculture | 08 | 09 |
| Agriculture Engineering | 10 | 11 |
| Animal Husbandry & Veterinary Science | 12 | 13 |
| Anthropology | 14 | 15 |
| Botany | 16 | 17 |
| Chemistry | 18 | 19 |
| Civil Engineering | 20 | 21 |
| Commerce & Accountancy | 22 | 23 |
| Economics | 24 | 25 |
| Education | 26 | 27 |
| Electrical Engineering | 28 | 29 |
| Fishery Science | 30 | 31 |
| Forestry | 32 | 33 |
| Geography | 34 | 35 |
| Geology | 36 | 37 |
| History | 38 | 39 |
| Home Science | 40 | 41 |
| Law | 42 | 43 |
| Management | 44 | 45 |
| Mathematics | 46 | 47 |
| Mechanical Engineering | 48 | 49 |
| Medical Science | 50 | 51 |
| Philosophy | 52 | 53 |
| Physics | 54 | 55 |
| Political Science & International Relations | 56 | 57 |
| Psychology | 58 | 59 |
| Public Administration | 60 | 61 |
| Sociology | 62 | 63 |
| Statistics | 64 | 65 |
| Zoology | 66 | 67 |
Indian Language & Literature Papers Subject Codes
| Language | Paper-I Code | Paper-II Code |
|---|---|---|
| English | 68 | 69 |
| Hindi | 70 | 71 |
| Odia | 72 | 73 |
| Urdu | 74 | 75 |
Compulsory Odia vs Optional Odia: Do Not Mix the Codes
Odia appears twice in the list. Odia Language is a compulsory paper with code 01. Odia, Paper-I and Paper-II under Indian Language & Literature carry codes 72 and 73. The same applies to English: English Language is 02, while English Paper-I and Paper-II (literature) are 68 and 69.
How to Mention the Subject Code in the Answer Booklet
- Check the name of the paper printed on your question paper.
- Find the matching code in the tables above or in the official notice.
- Write that code in your Question-cum-Answer Booklet as advised in the notice.
- For optional subjects, use the Paper-I or Paper-II code that matches the paper you are writing that day.
Important Instructions for OCS Main 2025 Candidates
- Write the correct subject code for every paper. Paper-I and Paper-II of the same subject have different codes.
- Do not confuse compulsory language papers (01, 02) with the Indian Language & Literature papers (68 to 73).
- Visit the OPSC website regularly for further information, as the notice advises.
- Keep a copy of the official notice for reference before the exam.
What the Notice Does Not Mention
This notice only covers subject codes. The following details are not available in it:
- Paper-wise exam dates and timings
- Admit card release date and download process
- Syllabus, marking scheme and marks per paper
- Exam centres
- Number of vacancies and post details
- Exact location in the booklet where the code must be written
For these, check the official website and the full Advt. No. 05 of 2025-26.
OPSC OCS Main Exam Date 2026 - Important Links
| Resource | Link |
|---|---|
| OPSC Official Website | Visit OPSC Website |
Frequently Asked Questions
What is the subject code for Odia Language in OCS Main 2025?
The subject code for the compulsory Odia Language paper is 01.
What is the subject code for English Language in OCS Main?
English Language, a compulsory paper, has subject code 02. English Paper-I and Paper-II under Indian Language & Literature are 68 and 69.
What are the subject codes for General Studies papers in OCS Main?
General Studies Paper-I to Paper-IV carry codes 04, 05, 06 and 07 respectively. The Essay paper is 03.
How many subject codes are there in the OCS Main notice?
The notice lists 75 subject codes, from 01 to 75.
What are the OCS Main 2025 exam dates?
The notice states that the OCS Main (Written) Examination-2025 is scheduled from 29.10.2026 to 07.11.2026. The paper-wise schedule is not given in this notice.