RRB JE Eligibility and Exam Pattern: Diploma Requirements and CBT Stages

RRB Junior Engineer (JE) sits a level above Group D and NTPC in qualification requirements — it's a diploma-entry technical post, and both the eligibility bar and the exam structure reflect that. Here's how it breaks down.

Age Limit

Candidates must be 18 to 36 years old as on the cutoff date in the notification, with standard age relaxation for reserved categories. This is the wider band RRB uses for its graduate/diploma-level technical posts, similar to NTPC's graduate tier.

Educational Qualification

You need one of:

• A three-year diploma in engineering, in a relevant discipline — Civil, Mechanical, Electrical, Electronics, Computer Science/Engineering, Instrumentation & Control, Production, Automobile, Tool & Die Making, or Tool & Machining, depending on the specific JE post code.
• A B.Sc in Civil Engineering from a recognised university or institute (specifically for Civil Engineering posts).

Whichever route applies, you need at least 60% marks in the qualifying diploma or degree. There's no separate work-experience requirement mentioned in current notifications, so freshers straight out of a diploma program are eligible.

Selection Process

RRB JE selection runs through four stages, in order:

1. CBT 1 — a screening-level computer-based test common to all candidates.
2. CBT 2 — a more detailed, post-specific computer-based test for those who clear CBT 1.
3. Document Verification (DV)
4. Medical Examination (ME)

Because CBT 1 is a screening stage rather than the final selection round, a strong CBT 1 score alone doesn't secure the post — CBT 2 is where the technical, post-specific questions concentrate, and that's the stage worth weighting preparation toward once you've cleared the first cut.

Matching Your Diploma to the Right Post Code

Because eligibility is tied to specific engineering disciplines rather than "any diploma," the practical mistake to avoid is applying to a post code that doesn't match your diploma stream — a Mechanical diploma holder isn't automatically eligible for an Electrical JE post code, for instance. Checking the post-code-wise qualification table in the notification before applying matters more here than in NTPC or Group D, where the qualification bar is uniform.

Vacancy counts, post-code-wise qualification mapping, and exact cutoff dates are set fresh in each RRB JE notification (a fresh cycle opened in August 2026). Always verify against the official RRB notification for the cycle you're applying to.