RRB JE DMS CMA Recruitment 2026 – 4,029 Vacancies

Railway Recruitment Boards (RRBs)

RRB JE DMS CMA Recruitment 2026 – 4,029 Vacancies, Apply Online, Eligibility, Salary & Dates

RRB JE DMS CMA Recruitment 2026: The Railway Recruitment Boards (RRBs) have issued Corrigendum-1 to Centralised Employment Notice (CEN) No. 04/2026, introducing important changes to the recruitment of Junior Engineer (JE), Depot Material Superintendent (DMS) and Chemical & Metallurgical Assistant (CMA).

The original CEN 04/2026 was published on the official RRB websites on 13 August 2026. Through the latest corrigendum, the recruitment has been expanded by adding 35 Chemical & Metallurgical Assistant (CMA) vacancies and one additional Junior Engineer/Electrical/TRS vacancy. As a result, the total number of vacancies has increased from 3,993 to 4,029.

The corrigendum was issued on 18 August 2026 and should be read together with the original CEN 04/2026 notification.

RRB JE DMS CMA Recruitment 2026 – Overview

RRB JE DMS CMA Recruitment 2026 Important Dates

Candidates interested in the recruitment should keep the following dates in mind:

Important: The uploaded Corrigendum-1 specifically confirms the original CEN publication date of 13 August 2026 and the corrigendum date of 18 August 2026. The application dates above should be read from the original CEN 04/2026 recruitment schedule rather than from the corrigendum itself.

RRB CEN 04/2026 Vacancy Increased to 4,029

The biggest update in the latest corrigendum is the increase in the overall vacancy.

Initially, CEN 04/2026 contained 3,993 vacancies. After the latest changes, the total vacancy has been revised to 4,029 posts.

The increase includes:

• 1 additional Junior Engineer/Electrical/TRS vacancy
  
• 35 Chemical & Metallurgical Assistant vacancies

The additional JE/Electrical/TRS vacancy is listed under RRB Secunderabad, South Central Railway (SCR).

RRB Chemical & Metallurgical Assistant Recruitment 2026

The corrigendum introduces Chemical & Metallurgical Assistant (CMA) as an additional post under CEN 04/2026.

A total of 35 CMA vacancies have been added across different RRBs. The post carries Pay Level 6, with an initial pay of ₹35,400. The prescribed age is 18 to 33 years as on 01 January 2027, subject to applicable age relaxation.

RRB-wise CMA Vacancy

For Assam candidates, the RRB Guwahati allocation is particularly relevant because the corrigendum lists 4 CMA vacancies under NFR.

RRB CMA Eligibility 2026

Candidates interested in the Chemical & Metallurgical Assistant post must have a B.Sc. degree in Physics and Chemistry with a minimum of 45% marks from a recognized University or Institute.

The corrigendum specifies the acceptable combinations of subjects. These include:

• B.Sc. with Physics as a major/specialization/Honours subject and Chemistry as a subject.
• B.Sc. with Chemistry as a major/specialization/Honours subject and Physics as a subject.
• B.Sc. with another Science subject as a major/specialization/Honours subject along with both Physics and Chemistry as subjects.

Candidates should carefully check the complete educational qualification requirements before applying.

RRB CMA Age Limit

For the CMA post, the prescribed age is 18 to 33 years as on 01 January 2027.

Age relaxation for eligible categories will be applicable according to the provisions of CEN 04/2026.

RRB CMA Salary

The Chemical & Metallurgical Assistant post is placed at Level 6 of the 7th Central Pay Commission.

The initial pay mentioned in the corrigendum is:

₹35,400 per month

Other allowances and benefits will be governed by the applicable Railway rules and recruitment provisions.

Application Fee: ₹500 for candidates other than the specified concession categories. Candidates belonging to SC, ST, Ex-Servicemen, PwBD, Female, Transgender, Minority Communities and EBC categories have to pay ₹250. Eligible candidates receive the applicable refund after appearing in CBT-1.

RRB CMA Medical Standard

The prescribed medical standard for CMA is B1.

The corrigendum also adds information regarding the B-2 medical standard to the recruitment notice. The B-2 standard includes physical fitness requirements, specified distance and near-vision standards, and a binocular vision test.

Candidates should verify the medical standards applicable to their selected post before applying.

RRB CMA Syllabus 2026

The latest corrigendum adds Annexure-VIII (E), which contains the syllabus for the CMA Exam Group.

Physics Syllabus

The Physics section includes topics such as:

• Measurements, Units and Dimensions
• Errors and accuracy
• Light
• Reflection and refraction
• Interference and diffraction
• Polarization
• Heat and temperature
• Calorimetry
• Sound
• Mechanics
• Newton's Laws of Motion
• Work, Power and Energy
• Gravitation
• Circular Motion
• Elasticity
• Magnetism
• Electricity
• Electromagnetism
• Electromagnetic Induction
• Generators and Alternating Current
• Transformers
• Modern Physics
• Radioactivity
• Electronics and Communication

The detailed syllabus also covers Ohm's Law, Kirchhoff's laws, Faraday's law, electromagnetic induction, electric motors, generators and transformers.

Chemistry Syllabus

The Chemistry portion covers:

• States of Matter
• Elements, Compounds and Mixtures
• Gas Laws
• Mole Concept
• Chemical Reactions
• Acids, Bases and Salts
• pH Scale
• Oxidation and Reduction
• Atomic Structure
• Periodic Classification
• Chemical Bonding
• Carbon and its Compounds
• Hydrocarbons
• Organic Compounds
• Functional Groups
• Carbohydrates
• Proteins
• Oils and Fats
• Polymers
• Environmental Chemistry
• Metallurgy

The syllabus also includes stoichiometry, redox reactions, hybridization, periodic trends, organic chemistry, environmental pollution and extraction of metals.

Important Change for RRB DMS Candidates

The corrigendum also clarifies the educational qualification requirements for the Depot Material Superintendent (DMS) post.

Candidates having a three-year Diploma in Engineering in any engineering discipline can apply for applicable DMS posts.

Candidates whose eligible qualifications are not included in the relevant chart must select one of the listed applicable Exam Groups during online registration. However, they must select an Exam Group other than the CMA Exam Group for DMS.

RRB JE DMS CMA Recruitment 2026 – Key Changes

The major updates introduced through Corrigendum-1 are:

1. Chemical & Metallurgical Assistant has been added to CEN 04/2026.
2. 35 CMA vacancies have been introduced.
3. One additional JE/Electrical/TRS vacancy has been added.
4. Total vacancies have increased from 3,993 to 4,029.
5. CMA has been assigned Level 6 with an initial pay of ₹35,400.
6. CMA requires the prescribed B.Sc. qualification with 45% marks.
7. The CMA Exam Group syllabus has been added.

The recruitment notice has been updated with additional medical-standard information.

The DMS Exam Group clarification has been added.

How to Apply for RRB JE DMS CMA Recruitment 2026?

Eligible candidates should apply through the official Railway Recruitment Board application system during the prescribed application period.

Application Timeline

Application Start Date: 14 August 2026

Application Last Date: 13 September 2026

Candidates should not wait until the final day to submit their application. Before submitting the form, applicants should carefully check their educational qualification, age, selected post, RRB preference and other applicable conditions.

RRB JE DMS CMA Recruitment 2026 FAQs

What is RRB JE DMS CMA Recruitment 2026?

It is the recruitment conducted under CEN No. 04/2026 by the Railway Recruitment Boards for Junior Engineer, Depot Material Superintendent and, following the corrigendum, Chemical & Metallurgical Assistant posts.

How many vacancies are available under RRB CEN 04/2026?

The revised total is 4,029 vacancies across all RRBs.

How many CMA vacancies have been added?

A total of 35 Chemical & Metallurgical Assistant vacancies have been added.

What is the RRB CMA salary?

The CMA post is under Pay Level 6, with an initial pay of ₹35,400.

What is the RRB CMA qualification?

Applicants require a B.Sc. degree in Physics and Chemistry with at least 45% marks, subject to the specific subject combinations mentioned in the corrigendum.

How many CMA vacancies are available under RRB Guwahati?

There are 4 CMA vacancies under RRB Guwahati/NFR.

What is the CMA age limit?

The age limit is 18 to 33 years as on 01 January 2027, with applicable relaxation according to the CEN provisions.

When was the RRB CEN 04/2026 notification published?

The original CEN 04/2026 was published on 13 August 2026.

When was Corrigendum-1 issued?

Corrigendum-1 was dated 18 August 2026.

When does the RRB JE DMS CMA application close?

The online application last date is 13 September 2026.

Conclusion

The latest RRB JE DMS CMA Recruitment 2026 update is important for candidates preparing for railway technical and engineering-related jobs. The addition of 35 CMA vacancies, including 4 vacancies under RRB Guwahati/NFR, provides an additional opportunity for eligible B.Sc. candidates.

With the revised vacancy count now reaching 4,029, candidates should carefully review the original CEN 04/2026 notification together with Corrigendum-1 before applying or making their post and exam-group choices.

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