RRB Isolated Categories Syllabus 2026: Post-wise Topics & CBT Exam Pattern (CEN 09/2026)

RRB Isolated Categories Syllabus 2026

The CBT has 100 questions of 1 mark each. Prepare the following subjects:

Professional Ability (Post-wise) - 50 Questions
General Awareness - 15 Questions
General Intelligence and Reasoning - 15 Questions
Mathematics - 10 Questions
General Science - 10 Questions
Junior Translator/Hindi: General Portion, Hindi Language and English Language - 50 + 30 + 20 Questions

Out of 100 questions, 50 are from Professional Ability. So the post-wise syllabus carries the most weight. Choose your post and study its topics first.

RRB Isolated Categories Professional Ability Syllabus 2026

Professional Ability has 50 questions. Topics for each post are given below.

1. Chief Law Assistant Syllabus

Sl. No.	Topic
1	Indian Constitution: Preamble and Salient Features, Fundamental Rights and Duties, Directive Principles, Union Legislature, Executive and Judiciary (3 to 5 questions)
2	Administrative Law: Nature and Scope, Legislative and Judicial power of the administration, Judicial control, Corporations and Public undertakings (2 to 3 questions)
3	Jurisprudence: Nature and Concept, Schools of Jurisprudence, Sources of Law, Legal Concepts, Legal Persons (3 to 4 questions)
4	Law of Torts: General concepts (2 to 3 questions)
5	Hindu Law: Sources, Marriage, Divorce, Maintenance, Adoption, Gift, Succession (3 to 4 questions)
6	Code of Civil Procedure: Suits, Execution, Appeals, Reference, Review and Revision, Written Statement, Set-off and Counter-claim, Examination, Discovery, Admissions and Documents Law (5 to 7 questions)
7	Bharatiya Nagrik Suraksha Sanhita: Various sections (2 to 3 questions)
8	Bharatiya Nyaya Sanhita: General, Punishments, Abetment, Criminal Conspiracy, Offences against the State, Contempt of Lawful Authority of Public Servants, False Evidence, Offences affecting the Human Body and Property (2 to 3 questions)
9	Bharatiya Sakshya Adhiniyam 2023: Relevancy of Facts, Oral and Documentary Evidence, Burden of Proof, Estoppel, Examination of Witnesses (2 to 3 questions)
10	Indian Contract Act, 1872: Agreement, Contract and Proposal, Acceptance, Consideration, Capacity, Free Consent, Legality of Object, Performance, Breach, Indemnity and Guarantee, Bailment (2 to 3 questions)
11	Limitation Act, 1963: Limitation of Suits, Appeals and Applications, Period of Limitation, Acquisition of Ownership by Possession (2 to 3 questions)
12	Specific Relief Act, 1963: Specific Relief and Preventive Relief (1 to 2 questions)
13	Indian Partnership Act, 1932: Nature of Partnership, Relations of Partners, Incoming and Outgoing Partners, Dissolution, Registration of Firms (1 to 2 questions)
14	Arbitration and Conciliation Act, 1996: Arbitration, Conciliation (2 to 3 questions)
15	Consumer Protection Act: General Provisions (1 to 2 questions)
16	Protection of Human Rights: General Provisions (1 to 2 questions)
17	Transfer of Property Act: General, Transfers by Act of Parties, Sale, Mortgage, Charges, Lease, Exchange, Gifts (2 to 3 questions)
18	Right to Information Act: Obligations of public authorities, Information Commissions, Appeals and Penalties (1 to 2 questions)
19	Company Law: Formation, Registration and Incorporation, Capital Formation, Corporate Administration, Winding up (2 to 3 questions)
20	Labour Laws: Industrial Disputes Act 1947, Trade Unions Act 1926, ESI Act 1948, EPF Act 1952, Maternity Benefit Act 1961, Minimum Wages Act 1948, Factories Act 1948, Payment of Wages Act 1936 (3 to 5 questions)

2. Public Prosecutor Syllabus

Sl. No.	Topic
1	Legal Concepts: Person under law, natural and legal personality, corporate criminal liability, property and ownership, possession, rights, State and its elements (3 to 4 questions)
2	Criminology and Penology: Crime causation, positive school of criminology, white collar crimes, theories of punishment, punishments under IPC, capital punishment, prison labour, parole (3 to 4 questions)
3	General Principles of Crime: Actus reus, mens rea, inchoate crimes, common intention, criminal conspiracy, attempt, abetment (3 to 4 questions)
4	General Exceptions under Bharatiya Nyaya Sanhita: Chapter III, mistake of fact, judicial acts, accident, infancy and insanity, consent, private defence (5 to 7 questions)
5	Offences against Human Body: Culpable homicide and murder, dowry death, hurt, acid attack, abduction, offences against modesty of a woman, Criminal Law Amendment 2013, POCSO and sexual harassment laws (3 to 4 questions)
6	Offences against Property and Other Offences: Theft, extortion, robbery, dacoity, criminal breach of trust, cheating, mischief, trespass, forgery, perjury, offences against State, religion and marriage (5 to 7 questions)
7	Criminal Justice Administration: Criminal courts and jurisdiction, public prosecutors, magistrates, police powers, cognizable and bailable offences, victim protection, appeal, revision, bail (5 to 7 questions)
8	Principles of Evidence: Bharatiya Sakshya Adhiniyam 2023, relevant facts, burden of proof, confession, dying declaration, documentary and electronic evidence, witnesses (5 to 7 questions)
9	Constitutional Rights of the Accused and Arrested: Fair trial, self-incrimination, double jeopardy, right to privacy, prisoners rights, preventive detention, free legal aid (5 to 7 questions)
10	Bharatiya Nagarik Suraksha Sanhita: Various sections (5 to 7 questions)
11	Railway Protection Force Act 1957, Railways Act 1989 and Railway Property (Unlawful Possession) Act 1966 (5 to 7 questions)

3. Senior Publicity Inspector Syllabus

Sl. No.	Topic
1	Communications: History, tools, fundamentals, types, essentials, theories, process, factors affecting communication, forms, oral communication (12 to 15 questions)
2	Mass Communication: Eras, history, culture and functions, tools, journalism, press codes and ethics, models and theories, media and public opinion (12 to 15 questions)
3	Advertising: Concept, functions, types, brand management and positioning, campaign concepts, ethics and law, advertising agencies, DAVP, INS, ISA, AAAI (10 to 13 questions)
4	Public Relations: PR process, internal and external publics, ethics, dealing with media, event, crisis, time and stress management, PR laws, Official Secrets Act 1923, Copyright Act 1957, contempt of court (10 to 13 questions)
5	Computer and its Applications: Topics on social media like blogs, Twitter, YouTube etc. (3 to 5 questions)

4. Staff and Welfare Inspector Syllabus

Sl. No.	Topic
1	Industrial Relations: Industrial Disputes Act 1947, Indian Trade Unions Act 1926, Industrial Employment (Standing Orders) Act 1946 (9 to 11 questions)
2	Social Security Legislation: Workmen's Compensation Act 1923, EPF Act 1952, ESI Act 1948, Maternity Benefit Act 1961 (9 to 11 questions)
3	Law relating to Wages: Minimum Wages Act 1948, Payment of Wages Act 1936, Payment of Bonus Act 1965, Payment of Gratuity Act 1972 (9 to 11 questions)
4	Legislation affecting Conditions of Work: Indian Factories Act 1948, Mines Act 1952 (7 to 10 questions)
5	Basics of Computers and Applications: Input and output devices, MS Office (3 to 5 questions)
6	Right to Information Act: Provisions (2 to 4 questions)
7	New Pension Scheme (1 to 3 questions)

5. Scientific Assistant (Training) Syllabus

Sl. No.	Topic
1	Basic Psychological Processes: Sensation, perception, attention, memory, learning and problem solving, emotion and motivation, human abilities, intelligence, aptitude and interest (7 to 8 questions)
2	Psychology of Personality: Concept, development and growth, theories, techniques of measurement, interpretation and prediction (5 to 7 questions)
3	Counselling and Training: Principles, types and techniques of counselling, employee counselling for motivation and morale, assessment of training needs (6 to 8 questions)
4	Research Methodology: Research methods and design, hypothesis, sampling, data collection and analysis, report writing (6 to 8 questions)
5	Test Construction: Psychological tests, types, construction and standardization, reliability and validity, norms (6 to 8 questions)
6	Statistical Method in Psychology: Scales of measurement, central tendency and variability, standard scores, normal distribution, significance of differences, correlation and regression, ANOVA, hypothesis testing (6 to 8 questions)
7	Applied Psychology: Individual differences, assessment of personality, psychological disorders and mental health, attitude, industrial and organizational psychology, clinical psychology (6 to 8 questions)

6. Lab Assistant Grade III (Chemist & Metallurgist) Syllabus

Sl. No.	Topic
1	Basic fundamentals of Mechanical Testing: Tensile, Impact, Load Deflection, Bend tests (4 to 8 questions)
2	Basic knowledge of Equipment and Machines used in testing (3 to 6 questions)
3	Basic knowledge of materials: Steel, Cast Iron, Non-ferrous metals, Rubber, Plastics and Composites (6 to 8 questions)
4	Estimation of C, Mn, Si, S, P, Cr, Ni, Mo and other elements in Steel and Cast Iron and their effects (2 to 3 questions)
5	Testing of Non-ferrous Metals and Alloys (2 to 4 questions)
6	Fundamentals of Electroplating and Testing of electro-plated coach components (2 to 5 questions)
7	Painting Schedule in coaches and Paint defects (2 to 4 questions)
8	Testing of ROZ Primer, Synthetic Enamels and P.U. Paints (2 to 4 questions)
9	Testing of Rubber and Rubber products, L.P. Sheets, Wood, Adhesives, PVC, Rexine, Plywood, Foam and FRP items (3 to 6 questions)
10	Oils and Lubricants: Testing of oils, lubricants, grease (3 to 5 questions)
11	Non-Destructive Testing: X-ray and Gamma ray examination of welds and castings, radiography fundamentals (2 to 5 questions)
12	Non-Destructive Testing: Principles of Ultrasonic Testing (2 to 4 questions)
13	Non-Destructive Testing: Magnaflux and Dye Penetrant Testing (2 to 3 questions)

RRB Isolated Categories General Awareness Syllabus 2026

General Awareness carries about 15 questions.

Sl. No.	Topic	Practice
1	Current Affairs (National and International)	Practice MCQs
2	Indian Geography	Practice MCQs
3	History of India including Freedom Movement	Practice MCQs
4	Indian Polity and Constitution	Practice MCQs
5	Indian Economy	Practice MCQs
6	Culture	Practice MCQs
7	Environmental Issues concerning India and the World	Practice MCQs
8	Sports	Practice MCQs
9	General Scientific and Technological Developments	Practice MCQs

RRB Isolated Categories General Intelligence and Reasoning Syllabus 2026

General Intelligence and Reasoning carries about 15 questions.

Sl. No.	Topic	Practice
1	Analogies	Practice MCQs
2	Alphabetical and Number Series	Practice MCQs
3	Coding and Decoding	Practice MCQs
4	Mathematical Operations	Practice MCQs
5	Relationships	Practice MCQs
6	Syllogism	Practice MCQs
7	Jumbling	Practice MCQs
8	Venn Diagram	Practice MCQs
9	Data Sufficiency	Practice MCQs
10	Conclusions and Decision Making	Practice MCQs
11	Similarities and Differences	Practice MCQs
12	Analytical Reasoning	Practice MCQs
13	Classification	Practice MCQs
14	Directions	Practice MCQs
15	Statement and Assumptions	Practice MCQs
16	Statement and Arguments	Practice MCQs
17	Data Interpretation	Practice MCQs

RRB Isolated Categories Mathematics Syllabus 2026

Mathematics carries about 10 questions.

Sl. No.	Topic	Practice
1	Number Systems	Practice MCQs
2	BODMAS	Practice MCQs
3	Decimals and Fractions	Practice MCQs
4	LCM and HCF	Practice MCQs
5	Ratio and Proportion	Practice MCQs
6	Percentage	Practice MCQs
7	Mensuration	Practice MCQs
8	Time and Work	Practice MCQs
9	Time and Distance	Practice MCQs
10	Compound Interest	Practice MCQs
11	Profit and Loss	Practice MCQs
12	Algebra	Practice MCQs
13	Trigonometry	Practice MCQs
14	Elementary Statistics	Practice MCQs
15	Square Root	Practice MCQs
16	Age Calculations	Practice MCQs
17	Calendar	Practice MCQs
18	Clock	Practice MCQs
19	Pipes and Cistern	Practice MCQs
20	Simple Interest	Practice MCQs
21	Geometry	Practice MCQs

RRB Isolated Categories General Science Syllabus 2026

General Science carries about 10 questions (up to 10th standard).

Sl. No.	Topic	Practice
1	Physics: Units and Measurement	Practice MCQs
2	Physics: Mechanics and Laws of Motion	Practice MCQs
3	Physics: Work, Energy and Power	Practice MCQs
4	Physics: Heat and Thermodynamics	Practice MCQs
5	Physics: Electricity and Magnetism	Practice MCQs
6	Chemistry (up to 10th standard)	Practice MCQs
7	Life Sciences (up to 10th standard)	Practice MCQs

RRB Junior Translator/Hindi Syllabus 2026

The paper has a 50-question General portion and 50 language questions (30 Hindi, 20 English), followed by a qualifying Translation Test.

Hindi Language (30 questions, 3 questions each)

Sl. No.	Topic
1	समानार्थी शब्द
2	पर्यायवाची शब्द
3	विलोम शब्द
4	प्रत्यय
5	उपसर्ग
6	संधि विच्छेद
7	मुहावरे और लोकोक्तियाँ
8	तत्सम-तद्भव
9	वाक्यांश के लिए एक शब्द
10	शब्द/वाक्य शुद्धि

English Language (20 questions, 2 questions each)

Sl. No.	Topic	Practice
1	Synonyms	Practice MCQs
2	Antonyms	Practice MCQs
3	Suffix/Prefix	Practice MCQs
4	Phrases/Idioms	Practice MCQs
5	Arrange the words in proper sequence	Practice MCQs
6	Pronouns/Verbs	Practice MCQs
7	Tenses	Practice MCQs
8	Articles	Practice MCQs
9	Preposition	Practice MCQs
10	Adjectives/Adverbs	Practice MCQs
11	Question Tag	Practice MCQs
12	Active and Passive voice	Practice MCQs
13	Translation into Hindi	Practice MCQs

RRB Isolated Categories Exam Pattern 2026

The CBT has 100 questions of 1 mark each in 90 minutes, with 1/3 negative marking.

Exam Pattern for all posts except Junior Translator/Hindi

Subject	No. of 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

Exam Pattern for Junior Translator/Hindi

Subject	No. of Questions	Marks
General Portion (General Knowledge, General Intelligence, Simple Arithmetic, Basics of Computer)	50	50
Hindi Language	30	30
English Language	20	20
Total	100	100

Important Exam Pattern Details

The CBT is a single stage. A second-stage CBT may be held if the RRBs find it necessary.
Minimum qualifying marks: UR and EWS 40%, OBC-NCL 30%, SC 30%, ST 25% (relaxed by 2 marks for PwBD if candidates are short).
Junior Translator/Hindi: qualifying Translation Test with 60% pass marks. The merit list is based on CBT marks only.
The CBT questions are in English, Hindi and 13 regional languages. The Hindi and English language questions are in that language only.
Calculators and other electronic items are not allowed.

Preparation tips for the CBT

Start with the 50-mark Professional Ability section of your post. Use the question range shown for each topic to decide how much time to give it.
For law posts, give more time to the high-weightage topics such as Code of Civil Procedure and Labour Laws (Chief Law Assistant) and the BNS, evidence and criminal justice topics (Public Prosecutor). Study the new laws BNS, BNSS and BSA.
Prepare General Awareness, Reasoning, Mathematics and General Science up to 10th standard level. They carry 50 marks together.
Attempt the sectional and full mock tests and watch the negative marking.

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RRB Isolated Categories Syllabus 2026