How does BARC OCES selection work?

BARC OCES selection is primarily based on GATE scores followed by an interview. Candidates with valid GATE scores apply to BARC directly; there is no separate written test.

What is the BARC training programme?

OCES is a 1-year orientation course at BARC Training School covering nuclear science, engineering, and related disciplines before permanent placement as Scientific Officer.

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BARC OCES Syllabus 2027

Bhabha Atomic Research Centre — Orientation Course for Engineering & Science Graduates

BARC (Bhabha Atomic Research Centre)Via GATE scoreOnce a year (via GATE)

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Total Questions65

Duration180 min

Total Marks100

Marking SchemeVia GATE: +1/-0.33 (1-mark), +2/-0.66 (2-mark)

Exam Pattern

#	Subject / Section	Questions	Marks
1	Engineering disciplines / Physics / Chemistry (branch-specific via GATE)	65	100
Total		65	100

Syllabus by Subject

Engineering disciplines / Physics / Chemistry (branch-specific via GATE)

Key topics covered as per the official BARC OCES syllabus, including fundamental concepts, applications, and recent exam trends for Engineering disciplines / Physics / Chemistry (branch-specific via GATE).

View Engineering disciplines / Physics / Chemistry (branch-specific via GATE) Syllabus →

Eligibility & Attempts

EEligibility Criteria

BE/BTech or MSc in relevant discipline with 60% marks

ANumber of Attempts

3 attempts (age limit 26 years general)

Exam Schedule

Frequency

Once a year (via GATE)

Next Exam Date

February 2027

Registration Opens

August 2026

Preparation Tips

1Score well in GATE — BARC shortlists candidates based on GATE rank
2Prepare GATE syllabus thoroughly for your branch
3Study nuclear physics basics as it helps in the BARC interview
4GATE scores from current and previous year are typically accepted

Frequently Asked Questions

Practice with Free Mock Tests

Now that you know the BARC OCES syllabus, put your preparation to the test. Attempt free mock tests that mirror the real exam pattern.

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