The Railway Recruitment Boards (RRBs) have invited online applications under CEN No. 04/2026 for Junior Engineer (JE), Depot Material Superintendent (DMS) and, following Corrigendum-1, the newly added Chemical & Metallurgical Assistant (CMA) post. Total vacancies stand at 4029 (3993 in the original CEN + 36 added via corrigendum). Applications are open from 14 August 2026 to 13 September 2026 (23:59 hrs) at rrbapply.gov.in.

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RRB JE/DMS/CMA 2026 - Notification Out

CEN No. 04/2026 for Junior Engineer and Depot Material Superintendent was published on official RRB websites on 13 August 2026. On 18 August 2026, RRBs issued Corrigendum-1, which added a new post - Chemical & Metallurgical Assistant (CMA) - along with 35 additional CMA vacancies, one extra JE/Electrical/TRS vacancy at RRB Secunderabad, a new Medical Standard (B-2), and the CMA exam syllabus. The notification is now referred to as CEN No. 04/2026 (JE/DMS/CMA). Online applications are open from 14 August 2026 to 13 September 2026.

RRB JE/DMS/CMA Recruitment 2026 Overview

RRB JE/DMS/CMA Important Dates

RRB JE/DMS/CMA Vacancy 2026

Category-wise Vacancy (Original CEN, 3993 posts)

RRB-wise Vacancy Distribution (with Corrigendum-1 additions)

Corrigendum-1 Update (18.08.2026)

• New post added: Chemical & Metallurgical Assistant (CMA), Level 6, Initial Pay ₹35,400, with 35 vacancies across RRB Bengaluru, Bhopal, Chennai, Guwahati and Patna.
• CMA eligibility: B.Sc. degree with Physics and Chemistry (minimum 45% marks) in specified combinations, from a recognized University/Institute.
• One additional JE/Electrical/TRS vacancy added at RRB Secunderabad (SCR zone), taking that RRB's total to 111.
• A new Medical Standard, B-2, was added (Distance Vision 6/9, 6/12; Near Vision Sn 0.6, 0.6; must pass Binocular vision test).
• CMA exam syllabus added as Annexure-VIII (E).
• DMS candidates choosing an Exam Group other than their own qualification must now select from the listed Exam Groups other than the CMA Exam Group (Para 13.3 note (b) amended).
• Notification title and footer updated from "CEN No. 04/2026 (JE/DMS)" to "CEN No. 04/2026 (JE/DMS/CMA)".

RRB JE/DMS/CMA Eligibility 2026

Junior Engineer & Depot Material Superintendent

Three-year Diploma in Engineering (or equivalent B.E./B.Tech) in the discipline relevant to the specific JE post opted for (see Annexure A of the CEN for post-wise qualification). DMS candidates need a three-year Diploma in Engineering in any discipline.

Chemical & Metallurgical Assistant (CMA) - added by Corrigendum-1

B.Sc. degree in Physics and Chemistry with a minimum of 45% marks from a recognized University/Institute, in any one of these combinations: (a) B.Sc. with Physics as major/specialization/Honours and Chemistry as a subject; (b) B.Sc. with Chemistry as major/specialization/Honours and Physics as a subject; or (c) B.Sc. with any other Science subject (including Mathematics/Mathematical Statistics) as major/specialization/Honours, with both Physics and Chemistry as subjects in the course.

RRB JE/DMS/CMA Age Limit

Age Relaxation

RRB JE/DMS/CMA Pay Scale 2026

RRB JE/DMS/CMA Selection Process 2026

Selection comprises four stages: 1st Stage CBT (CBT-I), 2nd Stage CBT (CBT-II), Document Verification (DV) and Medical Examination (ME).

CBT-I (Common for all posts) - 90 minutes, 100 Questions

CBT-II - 120 minutes, 150 Questions

• Negative marking: ⅓ mark deducted for each wrong answer in both CBTs.
• Minimum qualifying marks: UR & EWS 40%, OBC-NCL 30%, SC 30%, ST 25% (relaxable by up to 2 marks for PwBD candidates where PwBD vacancies are short of eligible candidates).
• CBT-II shortlisting: 15 times the community-wise vacancy per RRB, based on CBT-I merit.
• DV shortlisting: equal to the number of vacancies, based on CBT-II merit using a normalized Merit Index across Exam Groups.
• A virtual calculator is provided on-screen during CBT-II only.

How to Apply for RRB JE/DMS/CMA Recruitment 2026

1. Visit the official RRB website or rrbapply.gov.in and Create an Account (mandatory personal mobile number and email ID; these cannot be changed later).
2. Log in and select CEN No. 04/2026 (JE/DMS/CMA).
3. Choose one RRB only and indicate zone/post preferences in order - this choice is final and cannot be changed.
4. Fill in personal, educational and category details carefully.
5. Complete live photo capture (webcam/front camera) as per the prescribed guidelines; upload signature (JPG/JPEG, 30–49 KB).
6. Upload SC/ST certificate (PDF, under 400 KB) if opting for free train travel facility.
7. Pay the applicable examination fee online (internet banking / debit-credit card / UPI).
8. Submit the application; note down your Registration Number.
9. Use the modification window (16.09.2026 to 25.09.2026) if corrections are needed, on payment of ₹250 per modification.

Documents Required

• Educational qualification certificates (diploma/degree, as applicable to the post) with date of issue
• Matriculation/10th certificate (for name, DOB, father's/mother's name)
• Category certificate (SC/ST/OBC-NCL/EWS/EBC), in prescribed Annexure format, from a competent authority
• Ex-Servicemen declaration/employment certificate, where applicable
• PwBD disability certificate and UDID, where applicable
• Valid original photo ID (Aadhaar, Voter ID, PAN, passport, driving licence, etc.)
• Recent colour passport-size photograph and running-handwriting signature
• NOC from present employer (for those serving in Government/PSU), where applicable

Important Conditions

• Only one application per candidate against this CEN is permitted; multiple applications lead to rejection and debarment.
• Vacancies are provisional and may increase, decrease, or become nil, per Railway Administration requirements.
• A candidate with more than one qualifying discipline may choose only one Exam Group, and is then eligible only for posts mapped to that group.
• Medical fitness as per the prescribed Medical Standard (A-3/B-1/B-2/C-1, as applicable to the post) is mandatory; no alternative appointment is given if found unfit.
• Once a category/post/RRB is allotted, candidates forfeit the right to be considered for any other post/category in the same pay level.
• Use of unfair means, impersonation, or false information leads to lifetime debarment from RRB/RRC exams and possible legal action.