RRB Isolated Categories Syllabus 2026 — CBT Exam Pattern, Post-wise Professional Ability Topics & Selection Process (CEN 09/2026)

RRB Isolated Categories Syllabus 2026 — CBT Exam Pattern, Post-wise Professional Ability Syllabus and Selection Process (CEN 09/2026)

The Railway Recruitment Boards (RRBs) are conducting the Isolated Categories Recruitment 2026 under Centralised Employment Notification (CEN) No. 09/2026 for 191 vacancies across seven specialised posts — Junior Translator (Hindi), Chief Law Assistant, Public Prosecutor, Senior Publicity Inspector, Staff and Welfare Inspector, Scientific Assistant (Training) and Lab Assistant Grade III (Chemist & Metallurgist). The recruitment generally involves a single-stage Computer Based Test (CBT) of 100 questions carrying 100 marks in 90 minutes, with post-specific Professional Ability questions along with General Awareness, General Intelligence and Reasoning, Mathematics and General Science. Junior Translator (Hindi) follows a separate language-focused CBT pattern plus a qualifying Translation Test. This page explains the full syllabus, exam pattern, marking scheme, post-wise Professional Ability topics, qualifying marks and selection stages as published under CEN 09/2026.

RRB Isolated Categories Syllabus 2026 — Overview

• Official CEN 09/2026 Notification PDF: CEN_09_2026_IsolatedCategory.pdf — rrbapply.gov.in
• RRB Official Recruitment Website: rrb.indianrailways.gov.in
• Although several general subjects are common across posts, the Professional Ability syllabus differs according to the post selected by the candidate.
• Candidates should compare this coverage with the post-wise annexures in the official CEN 09/2026 detailed notification, particularly where topic-wise question ranges are concerned.

RRB Isolated Categories Exam Pattern 2026 (Standard CBT — 6 Posts)

• The standard CBT gives substantial weight to Professional Ability — half of the total marks for the six posts other than Junior Translator (Hindi).
• The remaining 50 marks are distributed among General Awareness, General Intelligence and Reasoning, Mathematics and General Science.
• Candidates should prepare both the post-specific Professional Ability syllabus and the common subjects to maximise overall performance.

RRB Isolated Categories Exam Duration and Marking Rules 2026

• Each question carries one mark; there is negative marking of one-third of a mark for every incorrect response.
• Candidates should avoid unnecessary guessing — wrong answers reduce the score under the -1/3 penalty.
• Candidates eligible for a scribe under the applicable rules get 120 minutes instead of 90.

RRB Isolated Categories Mathematics Syllabus 2026 (10 Questions — 10 Marks)

• Number Systems and BODMAS
• Decimals and Fractions
• LCM and HCF
• Ratio and Proportion
• Percentages
• Mensuration
• Time and Work
• Time and Distance
• Simple and Compound Interest
• Profit and Loss
• Algebra
• Geometry and Trigonometry
• Elementary Statistics
• Square Roots
• Age Calculations
• Calendar and Clock
• Pipes and Cisterns

RRB Isolated Categories General Intelligence and Reasoning Syllabus 2026 (15 Questions — 15 Marks)

• Analogies
• Alphabetical and Number Series
• Coding and Decoding
• Mathematical Operations
• Relationships
• Syllogism
• Jumbling
• Venn Diagrams
• Data Interpretation and Sufficiency
• Conclusions and Decision Making
• Similarities and Differences
• Analytical Reasoning
• Classification
• Directions
• Statement, Arguments and Assumptions

RRB Isolated Categories General Awareness Syllabus 2026 (15 Questions — 15 Marks)

• Current Affairs
• Indian Geography
• Indian Culture and History
• Indian Freedom Movement
• Indian Polity and Constitution
• Indian Economy
• Environmental Issues Concerning India and the World
• Sports
• General Scientific Developments
• Technological Developments

RRB Isolated Categories General Science Syllabus 2026 (10 Questions — 10 Marks)

• The General Science section covers Physics, Chemistry and Life Sciences up to the Class 10 CBSE standard.
• Candidates should revise foundational scientific principles, terminology and applications from secondary-school textbooks.
• Practice questions on basic concepts help convert this section into quick marks within the CBT.

RRB Junior Translator (Hindi) Syllabus 2026 — Separate CBT Pattern

• At least 50% of the Junior Translator CBT questions assess language proficiency — 30 questions on Hindi and 20 on English.
• The remaining 50 questions cover general knowledge, reasoning, simple arithmetic and basic computers.
• Hindi-language questions appear in Hindi and English-language questions appear in English, as per the published pattern.

Junior Translator (Hindi) — Hindi Language Topics (30 Questions)

• समानार्थी शब्द
• पर्यायवाची शब्द
• विलोम शब्द
• प्रत्यय
• उपसर्ग
• संधि विच्छेद
• मुहावरे और लोकोक्तियाँ
• तत्सम और तद्भव
• वाक्यांश के लिए एक शब्द
• शब्द और वाक्य शुद्धि

Junior Translator (Hindi) — English Language Topics (20 Questions)

• Synonyms and Antonyms
• Translation into Hindi
• Suffixes and Prefixes
• Phrases and Idioms
• Arrangement of Words in Proper Sequence
• Pronouns, Verbs and Tenses
• Articles, Prepositions and Conjunctions
• Adjectives and Adverbs
• Question Tags
• Active and Passive Voice

Junior Translator (Hindi) — Translation Test 2026

• Candidates shortlisted through the CBT must qualify in the Translation Test assessing Hindi-English translation ability.
• Up to ten times the vacancies may be called for the Translation Test based on CBT merit and applicable reservation requirements.
• The test is qualifying in nature — failing to secure the prescribed 60% prevents further consideration regardless of CBT marks.
• Prepare translation accuracy, grammar, sentence structure and appropriate terminology on both sides of the language pair.

RRB Staff and Welfare Inspector Syllabus 2026 — Professional Ability

• Coverage includes industrial disputes, trade unions, standing orders, provident funds, employees' state insurance and maternity benefits.
• Also study wage payment, gratuity, factories and mines legislation, computer applications and access-to-information provisions.
• Focus on the objectives, provisions and administrative applications of each labour-law statute; the ranges are indicative, not guaranteed question counts.

RRB Chief Law Assistant Syllabus 2026 — Professional Ability

• The coverage spans constitutional, administrative, civil, criminal, commercial and labour law.
• Study both substantive principles and procedural rules — the examination tests statutory provisions and their application.
• Study each legislation in its current form as reflected in the official CEN 09/2026 syllabus annexure.

RRB Public Prosecutor Syllabus 2026 — Professional Ability

• Prepare the legal framework on investigation, prosecution, evidence, criminal liability and railway offences.
• Questions may test both legal knowledge and interpretation of statutory principles.
• Give special weight to the new criminal-law codes and the railway-specific legislation block in the syllabus.

RRB Senior Publicity Inspector Syllabus 2026 — Professional Ability

• Study communication models, journalism principles, advertising methods and public-relations strategies.
• Cover ethical responsibilities, campaign planning and media-organisation awareness.
• Include digital media applications — blogs and social platforms carry dedicated questions.

RRB Scientific Assistant (Training) Syllabus 2026 — Professional Ability

• Specific areas include sensation, perception, attention, memory, learning, motivation and intelligence.
• Also cover personality, counselling techniques, research design, sampling, validity and reliability.
• Revise correlation, regression, ANOVA and hypothesis testing alongside applied-psychology concepts.

RRB Lab Assistant Grade III (Chemist & Metallurgist) Syllabus 2026 — Professional Ability

• Understand the purpose of each testing method, the relevant equipment and the properties of metals, alloys and industrial materials.
• Non-destructive testing techniques — radiography, ultrasonic, magnaflux and dye penetrant — form a distinct question block.
• Practise distinguishing between testing techniques and identifying their appropriate industrial applications.

RRB Isolated Categories Minimum Qualifying Marks 2026

• These are minimum eligibility benchmarks — not the actual recruitment cut-off marks.
• A relaxation of two marks for PwBD candidates may apply in case of a shortage of eligible candidates against reserved vacancies.
• Actual shortlisting may require marks above the minimum percentage depending on recruitment conditions and candidate volumes.

RRB Isolated Categories Selection Process 2026

• CBT: performance is assessed on the marking scheme and the relevant post-specific syllabus; normalisation may apply across shifts.
• Translation Test: Junior Translator (Hindi) candidates must secure the 60% qualifying standard; merit remains CBT-based.
• Document Verification: shortlisted candidates produce original documents as instructed by the concerned RRB — a vacancy-based 1:1 shortlisting ratio is described.
• Medical Examination: candidates must satisfy the prescribed medical standards for the selected post category per CEN 09/2026.
• The process differs slightly by post — follow the relevant RRB's official notices for shortlisting and reporting instructions.

RRB Isolated Categories Post-wise Vacancy Details 2026

• Prepare according to the Professional Ability syllabus of the post for which you are eligible.
• Confirm the final vacancy position from the CEN 09/2026 notification and any corrigenda on rrbapply.gov.in.

How to Download RRB Isolated Categories Syllabus PDF 2026

• Visit the official Railway Recruitment Board apply portal at rrbapply.gov.in — or your regional RRB website.
• Open the recruitment notifications section.
• Find CEN 09/2026 — Isolated Categories.
• Open the detailed recruitment notification (direct PDF linked above).
• Locate the CBT examination-pattern and syllabus sections.
• Find the post-wise Professional Ability syllabus annexure for your post.
• Check the general subjects, qualifying marks and negative-marking rules.
• Download the notification PDF and confirm it belongs to CEN 09/2026 — not an earlier Isolated Categories cycle.

RRB Isolated Categories Exam Preparation Tips 2026

• Read the post-specific Professional Ability syllabus before selecting study materials — it carries 50% of the standard CBT.
• Prepare the Professional Ability section systematically, topic by topic, using the indicative question ranges to prioritise.
• Revise Mathematics and Reasoning through daily practice to protect the common-subject marks.
• Follow current affairs and important general-awareness topics regularly.
• Revise Class 10 Physics, Chemistry and Life Sciences for General Science.
• Attempt objective-type practice questions for every subject to build speed and accuracy.
• Take full-length CBT mock tests within the 90-minute limit to simulate exam conditions.
• Review incorrect answers to limit negative marking from careless errors.
• For Junior Translator (Hindi), practise Hindi and English language proficiency separately, plus timed translation exercises.

RRB Isolated Categories CBT — Exam Day Instructions

• Carry the e-call letter with a valid original photo identity proof to the CBT centre.
• Reach the centre before the reporting time printed on the call letter — entry closes before the test begins.
• Do not carry prohibited electronic devices, study material or restricted items into the lab.
• Follow the invigilators' instructions and the centre's identity-verification procedures.
• Manage the 90-minute window carefully — flag difficult questions and return to them if the interface allows.
• Retain the call letter and score records for the subsequent Translation Test, DV and medical stages.

RRB Isolated Categories Syllabus 2026 — Important Links

• Apply and track updates only through the official RRB portals — rrbapply.gov.in and rrb.indianrailways.gov.in.
• Confirm the final syllabus, pattern and eligibility from the official CEN 09/2026 notification before finalising preparation.