According to the published syllabus information, the Isolated Categories recruitment generally involves a single-stage Computer Based Test (CBT) of 100 questions carrying 100 marks, conducted for 90 minutes. The examination includes post-specific Professional Ability questions along with General Awareness, General Intelligence and Reasoning, Mathematics and General Science. The Junior Translator (Hindi) post follows a separate language-focused CBT pattern and a qualifying Translation Test. Candidates should check the detailed CEN 09/2026 notification for the final post-wise syllabus and examination instructions.
RRB Isolated Categories Syllabus 2026 Overview
The RRB Isolated Categories recruitment is conducted for specialised posts requiring different educational and professional qualifications. Although several general subjects are common across posts, the Professional Ability syllabus differs according to the position selected by the candidate.
| Particulars | Details |
|---|---|
| Recruitment Authority | Railway Recruitment Boards (RRBs) |
| Recruitment Name | RRB Isolated Categories Recruitment 2026 |
| Notification Number | CEN 09/2026 |
| Total Vacancies | 191 |
| Number of Posts | 7 Categories |
| Examination Mode | Computer Based Test (CBT) |
| Question Type | Objective Multiple-Choice Questions |
| Total Questions | 100 |
| Maximum Marks | 100 |
| Standard CBT Duration | 90 Minutes |
| Duration for Eligible Scribe Users | 120 Minutes |
| Negative Marking | 1/3 Mark for Each Incorrect Answer |
| Post-Specific Professional Ability | 50 Marks for Posts Other Than Junior Translator (Hindi) |
| Translation Test | Applicable to Junior Translator (Hindi) |
| Further Stages | Document Verification and Medical Examination |
| Official Website | rrbapply.gov.in |
RRB Isolated Categories Exam Pattern 2026
The RRB Isolated Categories CBT pattern gives substantial importance to Professional Ability. For the six posts other than Junior Translator (Hindi), this section accounts for half of the total examination marks.
The remaining 50 marks are distributed among General Awareness, General Intelligence and Reasoning, Mathematics and General Science. Candidates should prepare both the professional syllabus and the common subjects to improve their overall performance.
| Subject | Questions | Marks |
|---|---|---|
| Professional Ability | 50 | 50 |
| General Awareness | 15 | 15 |
| General Intelligence and Reasoning | 15 | 15 |
| Mathematics | 10 | 10 |
| General Science | 10 | 10 |
| Total | 100 | 100 |
RRB Isolated Categories Exam Duration and Negative Marking 2026
The standard Computer Based Test is scheduled for 90 minutes, while candidates eligible for a scribe are provided 120 minutes under the applicable rules. Each question carries one mark.
There is negative marking of one-third of a mark for every incorrect response. Candidates should avoid unnecessary guessing and ensure they understand the consequences of wrong answers.
| Examination Rule | Details |
|---|---|
| Total Questions | 100 |
| Maximum Marks | 100 |
| Correct Answer | +1 Mark |
| Wrong Answer | -1/3 Mark |
| Unattempted Question | 0 Mark |
| Standard Duration | 90 Minutes |
| Eligible Scribe Users | 120 Minutes |
RRB Isolated Categories Syllabus 2026 - Common Subjects
The common CBT syllabus includes Mathematics, General Intelligence and Reasoning, General Awareness and General Science. These subjects apply to the standard CBT pattern for the non-translator posts.
Candidates can prepare these sections using school-level concepts, railway recruitment practice questions and current-affairs materials. The Professional Ability portion should be studied separately according to the relevant post.
RRB Isolated Categories Mathematics Syllabus 2026
The Mathematics section evaluates numerical ability and the application of basic mathematical concepts. It carries 10 questions for 10 marks in the standard CBT pattern.
The published syllabus includes the following topics:
- 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
Candidates should focus on accuracy and basic problem-solving speed. Regular practice with arithmetic problems can help reduce calculation errors during the examination.
RRB Isolated Categories General Intelligence and Reasoning Syllabus
The General Intelligence and Reasoning section tests logical thinking, analytical ability and the interpretation of relationships and information. This section carries 15 questions in the standard CBT pattern.
- 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
Preparation should include different reasoning question formats rather than concentrating on a single topic. Candidates can practise series, coding-decoding, logical statements and analytical problems to improve their familiarity with the examination.
RRB Isolated Categories General Awareness Syllabus 2026
The General Awareness section evaluates knowledge of current events and important national and international developments. It carries 15 marks in the standard examination pattern.
- 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
Candidates should cover both static general knowledge and recent events. Important developments relating to science, technology, governance, economics and sports may form part of their preparation.
RRB Isolated Categories General Science Syllabus 2026
The General Science section includes Physics, Chemistry and Life Sciences up to the standard of the Class 10 CBSE syllabus. It carries 10 questions for 10 marks in the standard CBT.
| Subject | Syllabus Level |
|---|---|
| Physics | Class 10 CBSE Level |
| Chemistry | Class 10 CBSE Level |
| Life Sciences | Class 10 CBSE Level |
Candidates should revise foundational scientific principles, terminology and applications using appropriate secondary-school textbooks and practice questions.
RRB Isolated Categories Post Wise Syllabus 2026
The Professional Ability syllabus is the most important distinguishing feature of this recruitment. Different posts require different specialised knowledge, and the standard CBT allocates 50 marks to this section.
The following post-wise topics are based on the published CEN 09/2026 syllabus coverage. Candidates should compare them with the annexures in the official detailed notification, particularly where individual topic-wise question ranges are concerned.
RRB Junior Translator (Hindi) Syllabus 2026
The Junior Translator (Hindi) examination follows a separate CBT pattern designed to test proficiency in Hindi and English, along with general knowledge, reasoning, arithmetic and computer fundamentals.
At least 50% of the CBT questions assess language proficiency, with 30 questions relating to Hindi and 20 to English. The remaining 50 questions cover the other prescribed subjects.
| Section | Questions | Marks |
|---|---|---|
| Hindi Language | 30 | 30 |
| English Language | 20 | 20 |
| General Knowledge, Reasoning, Simple Arithmetic and Basic Computers | 50 | 50 |
| Total | 100 | 100 |
RRB Junior Translator Hindi Language Topics
The Hindi Language section assesses vocabulary, grammar, word formation and sentence usage. Candidates should revise grammatical rules and practise recognising accurate forms and meanings.
- 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
RRB Junior Translator English Language Topics
The English portion focuses on grammar, vocabulary, sentence arrangement and translation-related understanding.
- 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
The published syllabus coverage states that Hindi-language questions will appear in Hindi and English-language questions in English. Candidates should check the official notification for the detailed language-paper instructions.
RRB Junior Translator Translation Test 2026
Candidates applying for Junior Translator (Hindi) must also qualify in a Translation Test after the CBT. This test assesses the ability to translate between Hindi and English.
The published selection details state that candidates numbering up to ten times the vacancies may be called for the Translation Test based on CBT merit and applicable reservation requirements.
| Particulars | Details |
|---|---|
| Post | Junior Translator (Hindi) |
| Test | Translation Test |
| Shortlisting Ratio | Up to 10 Times the Vacancies |
| Qualifying Marks | 60% |
| Nature | Qualifying |
| Final Merit Basis | CBT Marks, Subject to Qualifying the Translation Test |
Candidates should prepare for translation accuracy, grammar, sentence structure and appropriate terminology. The Translation Test is qualifying in nature, but failure to obtain the prescribed marks prevents further consideration.
RRB Staff and Welfare Inspector Syllabus 2026
The Staff and Welfare Inspector Professional Ability syllabus focuses on industrial relations, labour welfare, social security, wage legislation, working conditions and administrative knowledge.
The published syllabus provides indicative question ranges for the following areas:
| Topic | Indicative Questions |
|---|---|
| Industrial Relations | 9-11 |
| Social Security | 9-11 |
| Wages | 9-11 |
| Conditions of Work | 7-10 |
| Basics of Computers | 3-5 |
| Right to Information Act | 2-4 |
| New Pension Scheme | 1-3 |
The subject coverage includes industrial disputes, trade unions, standing orders, provident funds, employees' state insurance, maternity benefits, wage payment, gratuity, factories, mines, computer applications and access to information.
Candidates should pay attention to the labour-law statutes and welfare provisions identified in the syllabus, including their objectives, provisions and administrative applications. The topic ranges are indicative rather than guaranteed exact question counts.
RRB Chief Law Assistant Syllabus 2026
The Chief Law Assistant Professional Ability syllabus covers constitutional, administrative, civil, criminal, commercial and labour laws. Candidates should have a working understanding of legal principles, statutory provisions and their application.
| Professional Ability Topic | Indicative Questions |
|---|---|
| Indian Constitution | 3-5 |
| Administrative Law | 2-3 |
| Jurisprudence | 3-4 |
| Law of Torts | 2-3 |
| Hindu Law | 3-4 |
| Code of Civil Procedure | 5-7 |
| Bharatiya Nagarik Suraksha Sanhita | 2-3 |
| Bharatiya Nyaya Sanhita | 2-3 |
| Bharatiya Sakshya Adhiniyam, 2023 | 2-3 |
| Indian Contract Act, 1872 | 2-3 |
| Limitation Act, 1963 | 2-3 |
| Specific Relief Act, 1963 | 1-2 |
| Indian Partnership Act, 1932 | 1-2 |
| Arbitration and Conciliation Act, 1996 | 2-3 |
| Consumer Protection Act | 1-2 |
| Protection of Human Rights | 1-2 |
| Transfer of Property Act | 2-3 |
| Right to Information Act | 1-2 |
| Company Law | 2-3 |
| Labour Laws | 3-5 |
The examination coverage includes both substantive and procedural law. Candidates should revise legal concepts along with important statutory provisions and procedural rules. The applicable legislation should be studied in its current form, as reflected in the official recruitment syllabus.
RRB Public Prosecutor Syllabus 2026
The Public Prosecutor Professional Ability syllabus focuses on criminal law, evidence, criminal procedure, the administration of justice and railway-related legislation.
The syllabus also includes foundational legal concepts, criminology, constitutional protections and statutory offences.
| Professional Ability Topic | Indicative Questions |
|---|---|
| Legal Concepts - Person, Property, Ownership, Possession, Rights and State | 3-4 |
| Criminology and Penology | 3-4 |
| General Principles of Crime | 3-4 |
| General Exceptions under Bharatiya Nyaya Sanhita | 5-7 |
| Offences Against the Human Body | 3-4 |
| Offences Against Property and Other Offences | 5-7 |
| Criminal Justice Administration | 5-7 |
| Principles of Evidence under Bharatiya Sakshya Adhiniyam | 5-7 |
| Constitutional Rights of Accused and Arrested Persons | 5-7 |
| Bharatiya Nagarik Suraksha Sanhita | 5-7 |
| Railway Protection Force Act, Railways Act and Railway Property Legislation | 5-7 |
Candidates should prepare the legal framework relating to investigation, prosecution, evidence, criminal liability and railway offences. The questions may test both legal knowledge and interpretation of statutory principles.
RRB Senior Publicity Inspector Syllabus 2026
The Senior Publicity Inspector Professional Ability syllabus covers communication, mass communication, journalism, advertising, public relations and social media.
It emphasises the principles and practical applications of public information, promotional communication and media management.
| Professional Ability Topic | Indicative Questions |
|---|---|
| Communication - History, Tools, Types, Theories and Processes | 12-15 |
| Mass Communication - Journalism, Ethics, Theories and Public Opinion | 12-15 |
| Advertising - Campaigns, Brand Management, Laws and Agencies | 10-13 |
| Public Relations - Media Relations, Event and Crisis Management | 10-13 |
| Social Media - Blogs and Digital Platforms | 3-5 |
Candidates should study communication models, journalism principles, advertising methods, public relations strategies, ethical responsibilities and digital media applications. Familiarity with public communication campaigns and media organisations will also help with syllabus coverage.
RRB Scientific Assistant (Training) Syllabus 2026
The Scientific Assistant (Training) syllabus focuses on psychology, research methods, training, testing, statistics and applied behavioural science.
This post requires specialised knowledge related to psychological concepts and their application in training and assessment.
| Professional Ability Topic | Indicative Questions |
|---|---|
| Basic Psychological Processes | 7-8 |
| Psychology of Personality | 5-7 |
| Counselling and Training | 6-8 |
| Research Methodology | 6-8 |
| Test Construction and Standardisation | 6-8 |
| Statistical Methods in Psychology | 6-8 |
| Applied Psychology | 6-8 |
Specific areas include sensation, perception, attention, memory, learning, motivation, intelligence, personality, counselling techniques, research design, sampling, validity, reliability, correlation, regression, ANOVA and hypothesis testing.
Candidates should revise both theoretical concepts and their practical applications in psychology and professional training.
RRB Lab Assistant Grade III Syllabus 2026
The Lab Assistant Grade III (Chemist & Metallurgist) Professional Ability syllabus focuses on materials testing, mechanical testing, chemistry, metallurgy, coating processes and non-destructive testing techniques.
Candidates should understand laboratory procedures and the properties of metals, alloys, plastics and other industrial materials.
| Professional Ability Topic | Indicative Questions |
|---|---|
| Mechanical Testing - Tensile, Impact, Bend and Load Deflection Tests | 4-8 |
| Testing Equipment and Machines | 3-6 |
| Steel, Cast Iron, Non-Ferrous Metals, Rubber, Plastics and Composites | 6-8 |
| Estimation of Elements in Steel and Cast Iron | 2-3 |
| Testing of Non-Ferrous Metals and Alloys | 2-4 |
| Electroplating and Testing of Electroplated Components | 2-5 |
| Painting Schedules and Paint Defects | 2-4 |
| ROZ Primer, Synthetic Enamels and PU Paint Testing | 2-4 |
| Testing of Rubber, Wood, Adhesives, PVC, Plywood, Foam and FRP | 3-6 |
| Oils, Lubricants and Grease Testing | 3-5 |
| X-Ray, Gamma Ray and Radiography Testing | 2-5 |
| Ultrasonic Testing | 2-4 |
| Magnaflux and Dye Penetrant Testing | 2-3 |
Preparation should cover the purpose of each testing method, relevant equipment, material properties and practical laboratory applications. Questions may require candidates to distinguish between testing techniques and identify their appropriate industrial uses.
RRB Isolated Categories Minimum Qualifying Marks 2026
The published examination information provides minimum qualifying percentages for different communities. These percentages are minimum eligibility benchmarks and should not be confused with the actual recruitment cut-off marks.
| Category | Minimum Qualifying Marks |
|---|---|
| Unreserved (UR) | 40% |
| Economically Weaker Section (EWS) | 40% |
| Other Backward Classes - Non-Creamy Layer | 30% |
| Scheduled Caste (SC) | 30% |
| Scheduled Tribe (ST) | 25% |
The published rules also describe a possible relaxation of two marks for PwBD candidates in the event of a shortage of eligible candidates against reserved vacancies.
Actual shortlisting may require marks higher than the minimum qualifying percentage, depending on the relevant recruitment conditions and number of candidates.
RRB Isolated Categories Selection Process 2026
The Isolated Categories recruitment involves a Computer Based Test followed by post-specific assessment where applicable, Document Verification and Medical Examination.
The selection process may differ slightly according to the post, particularly for Junior Translator (Hindi), which has a qualifying Translation Test.
| Stage | Selection Process |
|---|---|
| Stage 1 | Computer Based Test (CBT) |
| Stage 2 | Translation Test for Junior Translator (Hindi), where applicable |
| Stage 3 | Document Verification |
| Stage 4 | Medical Examination |
Stage 1 - Computer Based Test
Candidates must appear in the objective-type Computer Based Test. Their performance will be assessed according to the marking scheme and the relevant post-specific syllabus.
Where the examination is conducted in multiple shifts, the prescribed normalisation procedure may apply to scores used for shortlisting.
Stage 2 - Translation Test for Junior Translator
Junior Translator (Hindi) candidates shortlisted through CBT must qualify in the Translation Test. The published rules specify a minimum qualifying standard of 60% for this test.
The Translation Test does not replace CBT marks as the basis of the Junior Translator merit list. It is a qualifying requirement.
Stage 3 - Document Verification
Candidates shortlisted for Document Verification must produce the required original documents and other records as instructed by the relevant Railway Recruitment Board.
The published selection information describes a vacancy-based shortlisting ratio of 1:1 for Document Verification. Candidates should follow the relevant RRB's official notice for actual shortlisting and reporting instructions.
Stage 4 - Medical Examination
Candidates progressing through the recruitment process must satisfy the prescribed medical fitness standards for their selected posts.
Medical requirements may vary between categories, so candidates should check the medical standards specified against the relevant post in CEN 09/2026.
RRB Isolated Categories Post Wise Vacancy Details 2026
The RRB Isolated Categories Recruitment 2026 under CEN 09/2026 covers 191 vacancies across seven post categories. Candidates should prepare according to the professional syllabus applicable to the post for which they are eligible.
| Post Name | Vacancies |
|---|---|
| Junior Translator (Hindi) | 79 |
| Lab Assistant Grade III (Chemist & Metallurgist) | 36 |
| Staff and Welfare Inspector | 27 |
| Public Prosecutor | 21 |
| Chief Law Assistant | 17 |
| Senior Publicity Inspector | 8 |
| Scientific Assistant (Training) | 3 |
| Total | 191 |
How to Download RRB Isolated Categories Syllabus PDF 2026?
Candidates should refer to the detailed CEN 09/2026 notification and its annexures to confirm the full syllabus applicable to their post.
- Visit the official Railway Recruitment Board website for your region.
- Open the recruitment notifications section.
- Find CEN 09/2026 - Isolated Categories.
- Open the detailed recruitment notification.
- Locate the Computer Based Test examination pattern and syllabus sections.
- Find the relevant post-wise Professional Ability syllabus annexure.
- Check the general subjects, qualifying marks and negative marking rules.
- Download the notification PDF for future reference.
Candidates should confirm that the downloaded document belongs to CEN 09/2026 rather than an earlier Isolated Categories recruitment cycle.
RRB Isolated Categories Exam Preparation Tips 2026
The Professional Ability section accounts for 50% of the standard CBT marks. Candidates should prioritise their specialised post syllabus while maintaining regular practice in the general subjects.
A balanced preparation strategy may include the following:
- Read the post-specific syllabus before selecting study materials.
- Prepare the Professional Ability section systematically, topic by topic.
- Revise Mathematics and Reasoning through regular practice.
- Study current affairs and important general-awareness topics.
- Revise Class 10 Physics, Chemistry and Life Sciences for General Science.
- Attempt objective-type practice questions for every subject.
- Practise full-length CBT mock tests within the 90-minute time limit.
- Review incorrect answers to improve accuracy and limit negative marking.
- For Junior Translator, practise Hindi-English language proficiency and translation separately.
RRB Isolated Categories Syllabus 2026 Official Notification PDF
The detailed recruitment notification for CEN 09/2026 is the primary document candidates should use to confirm the syllabus, examination pattern, selection process and eligibility conditions.
The following link is the reported official PDF location. Candidates should check the regional RRB website if the document does not open or if a revised notification becomes available.
RRB Isolated Categories CEN 09/2026 Notification PDF
RRB Isolated Categories Syllabus 2026 Important Links
| Particulars | Links |
|---|---|
| RRB Isolated Categories CEN 09/2026 Notification PDF | Click Here |
| RRB Recruitment Website | Click Here |
