RRB Isolated Category syllabus 2026: The posts covered under the isolated category are Chief Law Assistant, Scientific Supervisor/Ergonomics and Training, Public Prosecutor, Lab Assistant Grade III (Chemist & Metallurgist), Junior Translator (Hindi), Scientific Assistant (Training), Senior Publicity Inspector, Staff and Welfare Inspector. The centralized employment notification had already been released by the Railway Recruitment Board (RRB) for the posts of isolated categories under CEN no. 08/2025 on December 29, 2025.
Eligible male and female candidates filled the application form between December 30, 2025, and January 29, 2026. After the registration process completed, the RRB board has now released the notice regarding exam dates for all the eligible candidates who have filled the form within the stipulated time duration.
The computer-based exam for all the posts under isolated category will be held on July 14, and July 15, 2026. So before appearing in the exam, it is very important to get the complete information about the syllabus and exam pattern of the online exam for various posts under CEN no. 08/2025. This article will give you the complete overview and stage wise information about the selection process of recruitment for various posts under CEN 08/2025.
RRB Isolated Category syllabus 2026 (CEN 08/2025)
Syllabus for computer-based exam, exam pattern, marking pattern, and selection process are the important aspects of any recruitment. Every candidate should have complete knowledge of all these important aspects if they are preparing for any government job. In this article, we are giving the information about the complete process, important topics, etc. for the recruitment of isolated categories posts in the Indian Railways. The complete overview of the recruitment is given below:
RRB Isolated Category Recruitment 2025-2026 Overview
| Recruitment Organization | Railway Recruitment Boards (RRBs) |
| Notification No. | CEN No. 08/2025 |
| Official Notification Issue Date | December 29, 2025 |
| Post Name | Chief Law Assistant, Scientific Supervisor/Ergonomics and Training, Public Prosecutor, Lab Assistant Grade III (Chemist & Metallurgist), Junior Translator (Hindi), Scientific Assistant (Training), Senior Publicity Inspector, Staff and Welfare Inspector |
| Total Vacancies | 312 |
| Job Location | All India |
| Application Mode | Online only |
| Application Form Start Date | December 30, 2025 |
| Application Form Last Date | January 29, 2026 |
| Application Fee Last Date | January 31, 2026 |
| Salary | Chief Law Assistant- Pay Level 7 Public Prosecutor- Pay Level 7 Scientific Supervisor/Ergonomics and Training- Pay Level 7 Lab Assistant Grade III (Chemist & Metallurgist)- Pay Level 2 Staff and Welfare Inspector- Pay Level 6 Junior Translator (Hindi)- Pay Level 6 Scientific Assistant (Training)- Pay Level 6 Senior Publicity Inspector- Pay Level 6 |
| Official Websites | rrbapply.gov.in |
RRB Isolated Category Selection Process 2026-2027
The important part of any recruitment is the complete knowledge of the selection process. If you have the complete information about the recruitment process and exam pattern, you can make the chances of your selection higher. The complete selection process is given below:
- Stage 1: Single Stage Computer-based online test
- Stage 2: Translation Test (For Junior Translator (Hindi))
- Stage 3: Document Verification
- Stage 4: Medical Examination
- Stage 5: Final Merit List
RRB Isolated Category CBT Exam Pattern 2026
The complete exam pattern for the all the posts of Isolated categories except Junior Translator (Hindi) is given below:
| Subject | Total Questions | Total Marks |
|---|---|---|
| General Intelligence and Reasoning | 15 | 15 |
| General Science | 10 | 10 |
| General Awareness | 15 | 15 |
| Professional Ability | 50 | 50 |
| Mathematics | 10 | 10 |
| Total | 100 | 100 |
Keep in Mind
- This exam patten is only for Chief Law Assistant, Scientific Supervisor/Ergonomics and Training, Public Prosecutor, Lab Assistant Grade III (Chemist & Metallurgist), Scientific Assistant (Training), Senior Publicity Inspector, Staff and Welfare Inspector.
- This exam pattern is not for Junior Translator (Hindi).
- Exam Duration: 90 minutes
- MCQ based Objective type Questions
- Negative Marking: One-third
- Qualifying marks: UR-40%, EWS-40%, OBC (Non creamy layer) -30%, SC-30%, ST-25%
RRB Isolated Category CBT Exam Date 2026
RRB Isolated Category syllabus 2026 for all posts except Junior Translator (Hindi)
RRB Isolated Category Syllabus 2026 for CBT Exam: The final merit list will be prepared on the basis of the marks obtained in the computer-based exam. This CBT exam is very crucial for the selection, so get the complete knowledge of the syllabus before the exam is very important. The complete syllabus for the computer-based online exam for Isolated Category posts except Junior Translator (Hindi) under CEN 08/2025 is given below:
General Science
The topics for General Science section in the computer-based online exam is given below:
- Physics
- Chemistry
- Life Sciences
General Awareness
The topics for General Awareness section in the computer-based online exam is given below:
- Environmental issues concerning India and the World
- Knowledge of Current affairs, Indian geography, culture and history of India including freedom movement
- Indian Economy
- Indian Polity and constitution
- General scientific and technological developments
Mathematics
The topics for Mathematics section in the computer-based online exam is given below:
- Age Calculations
- Fractions
- Pipes & Cistern
- Number Systems
- Calendar & Clock
- Decimals
- Ratio and Proportions
- BODMAS
- LCM and HCF
- Simple and Compound Interest
- Mensuration
- Time and Work
- Algebra
- Elementary Statistics
- Geometry and Trigonometry
- Profit and Loss
General Intelligence and Reasoning
The topics for General Intelligence and Reasoning section in the computer-based online exam is given below:
- Statement – Arguments and Assumptions
- Analogies
- Directions
- Alphabetical and Number Series
- Classification
- Coding and Decoding
- Analytical reasoning
- Mathematical operations
- Relationships
- Similarities and Differences
- Conclusions and Decision Making
- Syllogism
- Data Interpretation and Sufficiency
- Jumbling
- Venn Diagram
Professional Ability Syllabus for various posts
For the important topics covered in the professional ability section, check the official notification of RRB Isolated category recruitment in the important links section.
Junior Translator (Hindi) CBT Exam Pattern 2026
The complete exam pattern for the posts of Junior Translator (Hindi) is given below:
| Subject | Total Questions | Total Marks |
|---|---|---|
| Hindi Language | 30 | 30 |
| English Language | 20 | 20 |
| General Knowledge, Simple Arithmetic, basics of computer, and General Intelligence | 50 | 50 |
| Total | 100 | 100 |
Keep in Mind
- This exam pattern is only for Junior Translator (Hindi).
- This test is qualifying in nature.
- Exam Duration: 90 minutes
- MCQ based Objective type Questions
- Negative Marking: One-third
- Qualifying marks: 60% marks
RRB Junior Translator (Hindi) Syllabus 2026 for CBT Exam
The syllabus for the RRB Junior Translator (Hindi) computer-based exam is given in the below section:
Hindi Language
The topics for Hindi Language section in the computer-based online exam for RRB Junior Translator (Hindi) is given below:
- समानार्थी शब्द (3 Questions)
- वाक्यांश के लिए एक शब्द (3 Questions)
- विलोम शब्द (3 Questions)
- पर्यायवाची शब्द (3 Questions)
- उपसर्ग (3 Questions)
- मुहावरे और लोकोक्तियाँ (3 Questions)
- शब्द शुद्धि और वाक्य शुद्धि (3 Questions)
- तत्सम-तद्भव (3 Questions)
- प्रत्यय (3 Questions)
- संधि विच्छेद (3 Questions)
English Language
The topics for English Language section in the computer-based online exam for RRB Junior Translator (Hindi) posts is given below:
- Question Tag (2 Questions)
- Translation into Hindi (2 Questions)
- Phrases/Idioms (2 Questions)
- Pronouns/Verbs/Tenses (2 Questions)
- Adjectives/Adverbs (2 Questions)
- Synonyms/Antonyms (2 Questions)
- Suffix/Prefix (2 Questions)
- Arrange the words in proper sequence (2 Questions)
- Articles/Preposition/Conjunctions (2 Questions)
- Active & Passive voice (2 Questions)
Important Links
| RRB Isolated Category CBT Exam Dates 2026 Notice | Click here |
| RRB Isolated Category Recruitment 2025-2026 Notification (CEN 08/2025) | Official Notification (Hindi | English) |
| Check other updates | Click here |