RRB CEN 02/2026 Official Guide

Official Notification Summary: Railway Recruitment Boards (RRBs), Ministry of Railways, Government of India, have officially notified the complete examination scheme and detailed curriculum under Centralised Employment Notice (CEN) No. 02/2026 for the recruitment of 6,557 Vacancies across Technician Grade I (Signal) (Pay Level-5, 323 Posts) and Technician Grade III (Pay Level-2, 6,234 Posts). The recruitment process features a Single-Stage Computer Based Test (CBT) of 100 objective questions for 100 marks over a duration of 90 minutes with 1/3rd negative marking. Unlike previous multi-tier recruitment cycles, final selection is determined directly by CBT performance followed by Document Verification and Medical Fitness. Review the comprehensive, post-wise syllabus breakdown, subject marks weightage, minimum qualifying benchmarks, and high-scoring preparation strategies detailed below.

RRB Technician Recruitment 2026: Official Scheme & Syllabus Overview
Recruitment Conducting Authority Railway Recruitment Boards (RRBs), Ministry of Railways, Government of India
Centralised Employment Notice CEN No. 02/2026 (Recruitment of Technicians)
Notified Posts & Pay Scales • Technician Grade I Signal: Level-5 (Initial Pay: ₹29,200/-)
• Technician Grade III (Various Trades): Level-2 (Initial Pay: ₹19,900/-)
Total Notified Vacancies 6,557 Posts (Grade I Signal: 323 Vacancies | Grade III: 6,234 Vacancies)
Mode of Examination Single-Stage Computer Based Test (CBT) – Objective Type Multiple Choice Questions
Total Questions & Maximum Marks 100 Questions – 100 Marks (1 Mark per Question)
Examination Duration 90 Minutes (1.5 Hours) [120 Minutes for PwBD Candidates with Scribe]
Negative Marking Policy 1/3rd (0.33 Mark) deducted for each incorrect answer
Selection Process Architecture Single-Stage CBT → Document Verification (DV) → Detailed Medical Examination (DME)
Medium of Examination English, Hindi, and 13 Regional Indian Languages
Minimum Qualifying Percentage UR & EWS: 40% | OBC (NCL): 30% | SC: 30% | ST: 25%
Detailed CEN 02/2026 Notification PDF Click Here to View Official Notice PDF
Official RRB Application Portal Click Here to Visit Official Portal

The Railway Recruitment Boards (RRBs) have officially published the comprehensive scheme of examination and detailed subject-wise syllabus for Centralised Employment Notice (CEN) No. 02/2026. Covering 6,557 technical positions across Indian Railway divisions, this recruitment drive offers an exceptional career path for engineering diploma holders, science graduates, and ITI-certified technicians.

Under the restructured examination architecture of CEN 02/2026, the recruitment is conducted through a single-stage Computer Based Test (CBT), doing away with the conventional two-stage (CBT-1 and CBT-2) format used in other railway recruitment examinations. Candidates are shortlisted directly for Document Verification based strictly on their normalized marks in this single CBT. However, the syllabus and topic distribution differ significantly between Technician Grade I (Signal) and Technician Grade III. Below is an exhaustive, deep-dive analysis of the exam pattern, subject-wise curriculum, marks distribution, negative marking rules, and strategic preparation roadmaps for both cadres.

1. RRB Technician CEN 02/2026 Selection Process Architecture

The selection methodology for RRB Technicians under CEN 02/2026 is direct, objective, and transparent. It consists of the following consecutive stages:

  • Stage 1 – Single-Stage Computer Based Test (CBT): A centralized 100-question objective examination carrying 100 marks for 90 minutes. There are distinct question papers for Technician Grade I (Signal) and Technician Grade III. The marks scored in this CBT are normalized across multi-shift administrations and serve as the sole merit basis (100% weightage) for shortlisting.
  • Stage 2 – Document Verification (DV): Candidates equal to the number of notified vacancies (1:1 ratio) are called for Document Verification based strictly on their CBT merit rank and community category.
  • Stage 3 – Detailed Medical Examination (DME): Qualified candidates undergo rigorous medical fitness testing at designated Railway Hospitals according to the prescribed medical standard (Medical Standard A-3 for Signal, and B-1 or B-2 for Grade III trades). Passing the medical test is mandatory for final appointment.

2. Detailed Post-Wise Exam Pattern & Marks Distribution

The CBT pattern is customized to match the technical qualifications required for Level-5 and Level-2 positions. Each question carries 1 Mark, with an exact 1/3rd mark penalty for every incorrect response:

A. Technician Grade I (Signal) – Pay Level-5 (100 Questions – 100 Marks)

This post requires a Bachelor of Science (B.Sc.) in Physics / Electronics / Computer Science / IT / Instrumentation, or a 3-Year Diploma / Degree in Engineering. The syllabus places dominant emphasis on technical competencies:

Section / Subject Area Number of Questions Maximum Marks Marking & Negative Deduction
General Awareness 10 10 +1 Mark | −1/3rd (0.33) Mark per wrong answer
General Intelligence and Reasoning 15 15 +1 Mark | −1/3rd (0.33) Mark per wrong answer
Basics of Computers and Applications 20 20 +1 Mark | −1/3rd (0.33) Mark per wrong answer
Mathematics 20 20 +1 Mark | −1/3rd (0.33) Mark per wrong answer
Basic Science and Engineering 35 35 +1 Mark | −1/3rd (0.33) Mark per wrong answer
Total for Technician Grade I Signal 100 Questions 100 Marks Total Duration: 90 Minutes (1.5 Hours)

B. Technician Grade III – Pay Level-2 (100 Questions – 100 Marks)

This post requires Matriculation / SSLC plus ITI from recognized institutions of NCVT/SCVT, or 10+2 with Physics and Mathematics (for Technician Gr III Telecommunication & Signal trades). The exam is structured as follows:

Section / Subject Area Number of Questions Maximum Marks Marking & Negative Deduction
Mathematics 25 25 +1 Mark | −1/3rd (0.33) Mark per wrong answer
General Intelligence & Reasoning 25 25 +1 Mark | −1/3rd (0.33) Mark per wrong answer
General Science (Physics, Chemistry & Life Sciences) 40 40 +1 Mark | −1/3rd (0.33) Mark per wrong answer
General Awareness on Current Affairs 10 10 +1 Mark | −1/3rd (0.33) Mark per wrong answer
Total for Technician Grade III Paper 100 Questions 100 Marks Total Duration: 90 Minutes (1.5 Hours)

Key Examination Rules:
• Negative Marking: Exactly 1/3rd (0.33 marks) is deducted for each incorrect answer.
• Normalization: Since examinations are conducted across multiple sessions and days, marks will be normalized using RRB’s standard percentile-based formula.
• Compensatory Time: Candidates eligible for scribes receive 30 minutes of extra time (Total duration: 120 minutes).

3. Detailed Subject-Wise Syllabus for Technician Grade I (Signal)

The syllabus for Technician Grade I (Signal) is comprehensive and tests advanced technical acumen. Below is the topic-by-topic breakdown from the official CEN 02/2026 notification:

1. General Awareness (10 Questions – 10 Marks)

Knowledge of current affairs, Indian geography, culture and history of India including the freedom struggle, Indian Polity and Constitution, Indian Economy, Environmental issues concerning India and the World, Sports, and General scientific and technological developments.

2. General Intelligence & Reasoning (15 Questions – 15 Marks)

Analogies, Alphabetical and Number Series, Coding and Decoding, Mathematical operations, Relationships (Blood Relations), Syllogism, Jumbling, Venn Diagrams, Data Interpretation and Sufficiency, Conclusions and Decision making, Similarities and Differences, Analytical Reasoning, Classification, Directions, Statement – Arguments and Assumptions, Seating Arrangements, and Puzzles.

3. Basics of Computers and Applications (20 Questions – 20 Marks)

  • Computer Architecture: Central Processing Unit (CPU), Input and Output devices, Memory organization.
  • Storage Devices: Hard Disk Drives (HDD), Solid State Drives (SSD), Optical storage (CD/DVD), USB flash memory.
  • Networking & Operating Systems: Basics of LAN, WAN, MAN, Internet, Network topologies; Fundamentals of Windows, Unix, and Linux operating systems.
  • Data Representation: Binary, Octal, Decimal, and Hexadecimal number systems and conversions.
  • Software Applications: Microsoft Office suite (MS Word, MS Excel, and MS PowerPoint).
  • Internet & Cybersecurity: Web browsing, search engines, Email management, Computer viruses, worms, malware, and essential cyber hygiene.

4. Mathematics (20 Questions – 20 Marks)

  • Number System: Rational and irrational numbers, BODMAS rule, Decimals and Fractions.
  • Arithmetic: LCM and HCF, Ratio and Proportion, Percentages, Time and Work, Time and Distance, Simple and Compound Interest, Profit and Loss.
  • Algebra & Coordinate Geometry: Polynomials, Linear equations in two variables, Quadratic Equations, Arithmetic Progression (AP), Coordinate Geometry, Straight lines.
  • Geometry & Trigonometry: Similar Triangles, Pythagoras Theorem, Circles, Chords and Tangents, Trigonometrical Ratios, Standard identities, Heights and Distances.
  • Mensuration: Surface area and Volume of 2D and 3D figures.
  • Set Theory & Statistics: Sets and their representations, Venn diagrams, Union and Intersection of sets; Statistics (Mean, Median, Mode, Range, Mean Deviation, Variance, Standard Deviation).

5. Basic Science and Engineering (35 Questions – 35 Marks)

  • Physics Fundamentals: Units and Measurements, Dimensions, Mass, Weight, and Density; Work, Power, and Energy; Speed, Velocity, Acceleration, and Laws of Motion; Heat and Temperature, Transmission of heat.
  • Electricity & Circuits: Electric Charge, Field, and Potential Difference; Simple electric circuits; Conductors, Semiconductors, and Insulators; Ohm’s Law and its limitations; Series and Parallel combinations of resistances; Specific resistance; Electrical energy and power (Wattage calculation).
  • Electromagnetism: Magnetic field, Magnetic lines of force, Ampere’s Law, Magnetic force on a moving charge in a magnetic field; Electromagnetic induction, Faraday’s laws, Lenz’s law.
  • Basic & Digital Electronics: PN Junction diodes, Zener diodes, Rectifiers, Transistors (BJT, FET), Operational Amplifiers; Number systems, Logic Gates (AND, OR, NOT, NAND, NOR, XOR), Boolean Algebra, De Morgan’s Laws.
  • Microprocessors & Instruments: Fundamentals of 8085 Microprocessor and Microcontrollers; Electronic measuring instruments (Cathode Ray Oscilloscope – CRO, Multimeters, Function Generators, Transducers).

4. Detailed Subject-Wise Syllabus for Technician Grade III

The syllabus for Technician Grade III is anchored at the 10th standard (Matriculation) level. With 40 questions in General Science and 25 questions in Mathematics, numerical and scientific concepts carry massive weightage:

1. Mathematics (25 Questions – 25 Marks)

Number System, BODMAS, Decimals, Fractions, LCM and HCF, Ratio and Proportion, Percentages, Mensuration (2D & 3D), Time and Work, Time and Distance, Simple and Compound Interest, Profit and Loss, Algebra, Geometry and Trigonometry, Elementary Statistics (Mean, Median, Mode), Square Root, Age Calculations, Calendar & Clock, Pipes & Cistern.

2. General Intelligence & Reasoning (25 Questions – 25 Marks)

Analogies, Alphabetical and Number Series, Coding and Decoding, Mathematical operations, Relationships, Syllogism, Jumbling, Venn Diagram, Data Interpretation and Sufficiency, Conclusions and Decision making, Similarities and Differences, Analytical reasoning, Classification, Directions, Statement – Arguments and Assumptions.

3. General Science – Physics, Chemistry & Life Sciences (40 Questions – 40 Marks)

  • Physics (10th Standard CBSE/NCERT Level): Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound, Light (Reflection & Refraction, Lenses, Mirrors), Human Eye and the Colourful World, Electricity, Magnetic Effects of Electric Current, Sources of Energy.
  • Chemistry (10th Standard CBSE/NCERT Level): Chemical Reactions and Equations, Acids, Bases, and Salts, Metals and Non-metals, Carbon and its Compounds, Periodic Classification of Elements, Structure of the Atom, Matter in our Surroundings.
  • Life Sciences / Biology (10th Standard CBSE/NCERT Level): Life Processes (Nutrition, Respiration, Transportation, Excretion), Control and Coordination, How do Organisms Reproduce?, Heredity and Evolution, Our Environment, Management of Natural Resources.

4. General Awareness on Current Affairs (10 Questions – 10 Marks)

Current events of national and international importance, Science & Technology breakthroughs, Sports tournaments and champions, Culture, Indian Personalities, Economics, and Indian Politics.

5. Category-Wise Minimum Qualifying Marks & Normalization

To be eligible for merit consideration, candidates must secure at least the category-specific threshold percentage in the CBT:

UR & EWS
40%
(Min 40 Marks)
OBC (NCL)
30%
(Min 30 Marks)
SC Category
30%
(Min 30 Marks)
ST Category
25%
(Min 25 Marks)

Note: In case of shortage of PwBD candidates against vacancies reserved for them, the minimum qualifying percentage is relaxed by 2%.

6. Strategic Preparation Roadmap for High Scores in CBT

Because CEN 02/2026 relies 100% on a single CBT, every mark directly affects your final selection. Implement these proven test strategies:

  1. Master NCERT Science Class 9 & 10 (Grade III): General Science accounts for 40% of the entire paper. Thoroughly solve textbook problems, chapter summaries, and conceptual diagrams in Physics, Chemistry, and Biology. Focus especially on electricity numericals and chemical equations.
  2. Prioritize Basic Science & Electronics (Grade I Signal): With 35 marks in Basic Science & Engineering and 20 marks in Computers, technical sections form 55% of the total score. Focus on logic gates, semiconductor physics, Ohm’s law calculations, networking protocols, and microprocessor architecture.
  3. Build High Accuracy to Counter 1/3rd Negative Marking: Losing 0.33 marks per mistake severely drops normalized rank. Never resort to random guessing. Attempt only questions where you can eliminate at least two options with certainty.
  4. Timed Practice for 90 Minutes: Solving 100 questions in 90 minutes requires an average pace of under 54 seconds per question. Allocate 15 minutes for Reasoning, 25 minutes for Mathematics, 25 minutes for Science/Technical sections, and 10 minutes for General Awareness, leaving 15 minutes for review.
  5. Leverage Previous Year Questions (PYQs): Practice online CBT mocks to build familiarity with RRB question styles, question toggling, and scientific calculator operations where applicable.

7. Official Direct Access Links & Portals

Official Resource Direct Access Link
Official RRB Detailed CEN 02/2026 Notification PDF Click Here to Download Official Notice PDF
Official RRB Application Portal Click Here to Visit Official RRB Portal
RRB Candidate Login & City Intimation Portal Click Here to Access Candidate Login
Indian Railways Central Recruitment Portal Click Here to Visit Indian Railways Site
CBT Rank Score & Rank Calculator Click Here to Visit CBTRank

8. Frequently Asked Questions (FAQs) – RRB Technician CEN 02/2026

Q1: Is there a second stage CBT (CBT-2) in RRB Technician CEN 02/2026? No. Unlike ALP recruitment, RRB Technician selection under CEN 02/2026 is conducted through a Single-Stage CBT. Shortlisting for Document Verification and Medical Fitness is based entirely on the normalized score of this single test.
Q2: What is the negative marking penalty in RRB Technician CBT? There is a negative marking deduction of 1/3rd (0.33 marks) for every incorrect answer. Each correct response is awarded 1 mark. Unattempted questions carry zero marks.
Q3: How many questions are asked in General Science for Technician Grade III? General Science carries the highest weightage in the Technician Grade III paper, comprising 40 questions (40 marks) based on 10th standard Physics, Chemistry, and Life Sciences.
Q4: What subjects are included in Technician Grade I (Signal)? Technician Grade I (Signal) covers 5 subjects: Basic Science & Engineering (35 Qs), Basics of Computers & Applications (20 Qs), Mathematics (20 Qs), Reasoning (15 Qs), and General Awareness (10 Qs), totaling 100 questions for 100 marks.
Q5: What are the minimum qualifying marks for the CBT? Candidates must score at least 40% for UR & EWS, 30% for OBC (NCL), 30% for SC, and 25% for ST. PwBD candidates receive a 2% relaxation in case of vacancy shortage.
Q6: How long is the examination duration? The standard test duration is 90 minutes (1.5 hours) for 100 questions. PwBD candidates utilizing an authorized scribe receive 120 minutes.
Q7: Where can I download the complete detailed CEN 02/2026 notification PDF? You can view and download the official notification PDF directly by clicking (Click Here to Download Official Notice PDF).

Official RRB Technician CEN 02/2026 Examination Notice

Access the complete official notification document for Technician Grade I Signal and Technician Grade III posts.

Download Official Notification PDF