OPSC OCS Main Subject Code Notice 2026 for Written Exam

OPSC OCS Main Subject Code Notice 2026: Official Examination Schedule & Coding Guidelines

The Odisha Public Service Commission (OPSC) has formally published an important administrative update regarding the OCS Main (Written) Examination-2025 under Advt. No. 05 of 2025-26. Candidates who have qualified for the written stage must carefully review the newly issued subject code table to ensure error-free entry during the examination sessions scheduled from 29 October 2026 to 7 November 2026 across designated examination centres in Odisha.

Detailed Vacancy & Eligibility Breakdown

Detailed Vacancy & Eligibility Breakdown

Detailed Vacancy & Eligibility Breakdown

Detailed Vacancy & Eligibility Breakdown

This official notice outlines a structured list of 75 two-digit subject codes assigned to various compulsory papers, optional subjects, and Indian Language & Literature papers. Accurate identification and entry of these codes on answer scripts are mandatory to avoid technical invalidation of answer booklets during evaluation by the Commission.

Candidates keeping track of various administrative notifications issued by the Commission, such as the OPSC Assistant Executive Engineer Recruitment 2026 recruitment details, should note that official updates regarding exam schedules and booklet rules are published directly on the main OPSC administrative portal at Cuttack.

Subject Code Allocation & Examination Paper Structure

The notification details two-digit subject codes for all subjects included in the Odisha Civil Services Main (Written) Examination. Candidates must distinguish carefully between compulsory language papers and optional literature choices during the written test sessions.

• Compulsory Papers: Dedicated codes are assigned for mandatory general papers, including compulsory Odia and compulsory English.
• Optional Subjects: Each optional subject features two separate papers. Candidates must note that Paper-I and Paper-II of the same optional subject carry different subject codes and cannot be interchanged.
• Indian Language & Literature Papers: Specific codes cover language and literature options, which must not be confused with standard compulsory language papers.
• Total Codes Listed: The official notice categorizes a total of 75 distinct two-digit numerical codes across the entire examination schedule.

Essential Documents & Exam Day Requirements

Candidates appearing for the written test between 29 October 2026 and 7 November 2026 must present proper verification documents and strictly follow the test instructions specified by OPSC.

• Official Admit Card / Hall Ticket: Downloaded directly from the official portal prior to the exam day.
• Valid Photo Identity Proof: Original identity card such as Aadhaar Card, Voter ID, PAN Card, or Passport.
• Question-cum-Answer Booklet: The official booklet issued inside the exam hall where the correct two-digit subject code must be encoded.
• Approved Writing Instruments: Black or blue ballpoint pen as authorized by the official invigilation instructions.

Step-by-Step Instructions to Verify Subject Codes

Candidates preparing for the main written examination should cross-check their assigned papers and subject codes by following these steps:

1. Visit the official portal of the Odisha Public Service Commission at opsc.gov.in.
2. Navigate to the notifications section and locate the notice for OCS Main (Written) Examination-2025 (Advt. No. 05 of 2025-26).
3. Open the official PDF document to review the full 75-subject code list.
4. Match the exact subject title printed on your question paper with the corresponding two-digit code in the table.
5. Inscribe and shade the verified two-digit code accurately in the allocated box on your Question-cum-Answer Booklet before handing it over to the invigilator.

Crucial Candidate Advisory & Checklist