SCL Syllabus 2026 is available for Technician ‘B’ and Technical Assistant recruitment under the Semi-Conductor Laboratory (SCL), Mohali. The recruitment includes 83 Administrative and Technical vacancies, including 41 Technician ‘B’ and 30 Technical Assistant posts under Advertisement No. SCL:DR:01/2026. The detailed examination scheme provides a 200-mark Computer-Based Test with 200 questions, divided into Part A and Part B, and a total duration of 120 minutes. The syllabus includes General English, Quantitative Aptitude, Reasoning, General Awareness and trade-specific technical subjects. Candidates can check the complete exam pattern, negative marking, technical syllabus, qualifying marks and official notification details below.
SCL Syllabus 2026 PDF Download
Semi-Conductor Laboratory has published its recruitment advertisement and examination details through the official Careers page. The syllabus includes general subjects for Part A and curriculum-based technical subjects for Part B.
| Particulars | Details |
|---|---|
| Organisation | Semi-Conductor Laboratory |
| Advertisement Number | SCL:DR:01/2026 |
| Post Names | Technician ‘B’ and Technical Assistant |
| Exam Type | Objective Computer-Based Test |
| Exam Pattern | Part A and Part B |
| Total Questions | 200 |
| Maximum Marks | 200 |
| Duration | 120 Minutes |
| Official Syllabus and Recruitment Notification | Check SCL Syllabus 2026 PDF |
SCL Syllabus 2026 Overview
| Particulars | Details |
|---|---|
| Recruiting Organisation | Semi-Conductor Laboratory (SCL) |
| Administrative Ministry | Ministry of Electronics and Information Technology |
| Recruitment Year | 2026 |
| Advertisement No. | SCL:DR:01/2026 |
| Total Recruitment Vacancies | 83 |
| Technical Assistant Vacancies | 30 |
| Technician ‘B’ Vacancies | 41 |
| Administrative Vacancies | 12 |
| Examination Mode | Computer-Based Test |
| Question Type | Multiple Choice Questions |
| CBT Total Questions | 200 |
| CBT Maximum Marks | 200 |
| CBT Duration | 2 Hours |
| Correct Answer | 1 Mark |
| Incorrect Answer | Minus 0.25 Mark |
| Selection Stages | CBT and Trade-Wise Skill Test |
| Official Website | www.scl.gov.in |
SCL Exam Pattern 2026 for Technician B and Technical Assistant
The Computer-Based Test has two parts. Part A covers general subjects and Part B tests the technical knowledge required for the applicable trade.
| Part | Subject | Questions | Marks |
|---|---|---|---|
| Part A | General English | 25 | 25 |
| Part A | Quantitative Aptitude | 25 | 25 |
| Part A | General Intelligence and Logical Ability | 25 | 25 |
| Part A | General Knowledge / Current Affairs | 25 | 25 |
| Part A Total | 100 | 100 | |
| Part B | Trade-Wise Curriculum-Based Test | 100 | 100 |
| Grand Total | 200 | 200 |
Part A Duration: 60 minutes.
Part B Duration: 60 minutes.
Total Duration: 120 minutes.
Negative Marking: 0.25 mark for each incorrect answer.
SCL Syllabus 2026 Part A - Common Subjects
Part A covers four subjects applicable to Technician ‘B’ and Technical Assistant candidates.
1. SCL General English Syllabus 2026
- English Vocabulary
- Grammar and Sentence Structure
- Synonyms and Antonyms
- Spotting Errors
- Fill in the Blanks
- Idioms and Phrases
- One Word Substitution
- Sentence Improvement
- Active and Passive Voice
- Direct and Indirect Speech
- Sentence Rearrangement
- Cloze Test
- Reading Comprehension
2. SCL Quantitative Aptitude Syllabus 2026
- Whole Numbers, Decimals and Fractions
- Percentage
- Ratio and Proportion
- Average
- Simple and Compound Interest
- Profit, Loss and Discount
- Partnership
- Mixture and Alligation
- Time and Distance
- Time and Work
- Elementary Algebra
- Geometry
- Mensuration
- Trigonometry
- Heights and Distances
- Statistical Charts and Graphs
3. SCL General Intelligence and Logical Ability Syllabus 2026
- Verbal and Non-Verbal Reasoning
- Analogies
- Classification
- Number and Figure Series
- Coding and Decoding
- Problem Solving
- Venn Diagrams
- Drawing Inferences
- Figure Folding and Unfolding
- Embedded Figures
- Critical Thinking
- Emotional Intelligence
- Social Intelligence
4. SCL General Knowledge and Current Affairs Syllabus 2026
- Current Events
- General Awareness
- Everyday Science
- Indian History
- Indian Culture
- Indian Geography
- Indian Economy
- General Policy
- Scientific Research
- India and Neighbouring Countries
SCL Technician B Syllabus 2026 - Trade Wise
The Technician ‘B’ Part B syllabus depends on the trade selected by the candidate. The recruitment includes Fitter, ICT System Maintenance, Electrician, Electronics, Electronics Mechanic, Instrumentation, Refrigeration and Air Conditioning, Draughtsman and other technical trades.
SCL Technician B Fitter Syllabus
- Marking, Hand Tools and Measurement
- Engineering Materials
- Drilling and Measuring Instruments
- Bearings
- Lathe Operations
- Nuts, Bolts and Fasteners
- Pipes and Pipe Fitting
- Welding
- Power Transmission
- Lubricants and Lubrication
- Pneumatics and Hydraulics
SCL Technician B Electrician Syllabus
- Basic Electricity
- AC and DC Circuits
- Fuses and Relays
- Cells and Batteries
- Electrical Machines and Motors
- Transformers
- Electrical Wiring Systems
- Electrical Measuring Instruments
- Lighting Systems
- Basic and Digital Electronics
- Power Generation, Transmission and Distribution
SCL Technician B Electronics Syllabus
- Basic Electronics and Electrical Fundamentals
- Electronic Components
- Power Electronics
- Optoelectronics
- Sensors and Transducers
- Communication Systems
- Amplifiers and Oscillators
- Digital Electronics
- LED Lighting and Solar Power
- Electronic Gadgets
SCL Technician B Electronics Mechanic Syllabus
- Basic Electricity and AC/DC Measurements
- Batteries, Cables and Connectors
- Soldering and Printed Circuit Boards
- Passive Electronic Components
- Transformers, Rectifiers and IC Regulators
- Transistors and Amplifiers
- Logic Gates and Combinational Circuits
- Electronic Test Instruments
- Microcontrollers and IoT Modules
- Sensors and Transducers
- Fibre Optic Communication
- Computer Hardware and Applications
- UPS and SMPS
- Networking and Operating Systems
SCL Technician B Instrumentation Syllabus
- Basic Electrical and Electronics
- AC and DC Circuits
- Passive Components
- Transformers
- Transducers and Industrial Sensors
- Semiconductor Devices
- Analog and Digital Circuits
- Electronic Test Instruments
- Calibration and Control Systems
- Computer Hardware
- Soldering and Workshop Safety
Other SCL Technician B Trade Syllabus
| Trade | Key Topics |
|---|---|
| ICT System Maintenance | Electrical and Electronics Basics, Semiconductor Devices, PC Hardware Maintenance, Troubleshooting, Operating Systems, Network Management |
| Refrigeration and Air Conditioning | Refrigeration Fundamentals, Compressors, AC Motors, Refrigerants, Central Air Conditioning, Condensers, Cooling Towers, Cold Storage, Maintenance |
| Draughtsman (Civil) | Engineering Drawing, CAD, Building Materials, Surveying, Estimation, Construction, Water Supply, Sanitation, IS Codes |
| Draughtsman (Mechanical) | Drawing Instruments, Geometrical Construction, Projections, Sectional Views, Fits and Tolerances, Assembly Drawings, CAD |
| Fire and Safety | Fire Science, Chemical Properties, Fire Classification, Detection, Extinguishers, Pumps, Safety Signages and Colour Codes |
| Plumber | Plumbing Materials, Water Supply, Sanitary Engineering, Pumps, Valves, Plumbing Drawings, Installation and Maintenance |
| Mechanic (Diesel) | Engines, Vehicle Systems, Fuel Systems, Measurements, Welding, Hydraulics, Emission Control, Cooling Systems, Troubleshooting |
SCL Technical Assistant Syllabus 2026 - Discipline Wise
The Technical Assistant syllabus for Part B is based on the candidate's relevant engineering or science discipline.
SCL Technical Assistant Electronics Syllabus
- Electrical Machines
- Electrical Power Generation, Transmission and Distribution
- Electrical Circuit Analysis
- Electronic Components and Devices
- Digital Electronics
- Microcontrollers and Microprocessors
- Peripheral Devices
- Control Systems
- Electrical and Electronic Measurements
- Industrial Electronics
- Equipment Maintenance and Repair
SCL Technical Assistant Mechanical Syllabus
- Applied Mathematics
- Engineering Drawing
- CAD, CAM and CIM
- Engineering Mechanics
- Strength of Materials
- Machine Design
- Fluid Mechanics
- Hydraulic Machines
- Thermodynamics
- Heat Transfer
- Refrigeration and Air Conditioning
- IC Engines
- Manufacturing Technology
- Production Engineering
- Industrial Engineering
SCL Technical Assistant Electrical Syllabus
- Electrical Materials
- Electricity and Magnetism
- Electrical Engineering Drawing
- Estimation and Costing
- Electrical Circuit Analysis
- Electrical Machines
- Electrical Power Engineering
- Instrumentation and Control Engineering
- Electronics and Microprocessors
SCL Technical Assistant Instrumentation Syllabus
- Engineering Mathematics
- Electronic Components and Circuits
- Electrical Measurements
- Calibration
- Industrial Instrumentation
- Process Variable Measurement
- Sensors and Transducers
- Control Systems and Process Controllers
- Analog and Digital Electronics
- Microprocessors and Microcontrollers
- PLC and DCS
- C Programming
SCL Technical Assistant Computer Science Syllabus
- Computer Fundamentals
- C, C++ and PHP Programming
- Object-Oriented Programming
- Data Structures and Algorithms
- DBMS and SQL
- Operating Systems
- Software Engineering
- Computer Organisation
- Computer Networks
- Web Technologies
- Python
- Digital Electronics and Switching Theory
Other SCL Technical Assistant Disciplines
| Discipline | Important Syllabus Topics |
|---|---|
| Information Technology | IT Fundamentals, Java, Data Structures, DBMS, PL/SQL, Operating Systems, Software Engineering, Linux/Windows Administration, Networking, Web Technologies |
| Civil Engineering | Structural Mechanics, RCC, Steel Design, Concrete Technology, Estimation, Building Construction, Surveying, Geotechnical Engineering, Transportation, Environmental Engineering |
| Chemical Engineering | Material and Energy Balance, Thermodynamics, Chemical Reactions, Heat Transfer, Fluid Mechanics, Mass Transfer, Process Control, Equipment Design |
| Fire and Safety | Combustion, Heat Transfer, Fire Suppression, Fire Detection, Fire Safety Codes, Industrial Safety, PPE, Workplace Hazards |
| Physics | Mechanics, Waves, Optics, Electricity, Magnetism, Thermodynamics, Modern Physics, Solid State Physics, Mathematical Physics |
| Chemistry | Physical, Organic, Inorganic and Analytical Chemistry, Spectroscopy, Chromatography and Titration |
SCL Technician B and Technical Assistant Negative Marking 2026
The detailed 2026 recruitment scheme specifies negative marking in the Computer-Based Test.
| Answer Type | Marks |
|---|---|
| Correct Answer | +1 |
| Incorrect Answer | -0.25 |
Candidates should avoid confusing this with the 0.33 negative marking described in some syllabus summaries.
SCL Technician B and Technical Assistant Qualifying Marks 2026
| Category | CBT Qualifying Marks | Skill Test Qualifying Marks |
|---|---|---|
| UR | 50% | 50% |
| OBC (NCL) / EWS | 45% | 45% |
| SC / ST / PwBD / ESM | 40% | 40% |
The category-specific relaxations apply against the relevant notified reserved vacancies and under the conditions in the recruitment advertisement.
SCL Technician B and Technical Assistant Selection Process 2026
- Computer-Based Test: Part A general subjects and Part B trade-wise technical knowledge.
- Trade-Wise Skill Test: Candidates shortlisted from the CBT undergo the applicable trade test.
- Verification: Candidates must establish their eligibility with the required original documents.
- Merit and Appointment: Final selection is based on CBT merit among candidates qualifying the required Skill Test and recruitment conditions.
The Skill Test is qualifying in nature and does not independently add marks to the final CBT merit score.
SCL Technician B and Technical Assistant Vacancy 2026
| Post | Vacancies |
|---|---|
| Technical Assistant | 30 |
| Technician ‘B’ | 41 |
| Administrative and Other Posts | 12 |
| Total | 83 |
SCL Exam Date 2026
The exact examination date for Technician ‘B’ and Technical Assistant posts has not been specified in the available recruitment information.
| Event | Date / Status |
|---|---|
| Recruitment Notice | October 2026 |
| Online Application Start Date | 1 November 2026 |
| Application Last Date | 30 November 2026 |
How to Download SCL Syllabus 2026 PDF?
- Visit the official Semi-Conductor Laboratory website at www.scl.gov.in.
- Open the Careers section.
- Find the advertisement for Administrative and Technical posts under SCL:DR:01/2026.
- Open the detailed recruitment advertisement.
- Locate the Computer-Based Test scheme and indicative syllabus.
- Check the Part A general subjects and the Part B curriculum relevant to your trade.
- Download the document for preparation.
How to Prepare for SCL Technician B and Technical Assistant Exam 2026?
- Prepare the four Part A subjects with regular objective-question practice.
- Give sufficient preparation time to Part B, which carries 100 marks.
- Choose the technical syllabus matching your application trade or discipline.
- Revise technical formulas, basic principles and practical applications.
- Practise timed mock tests based on the 120-minute examination duration.
- Review incorrect answers because the test includes negative marking.
- Prepare for the trade-wise qualifying Skill Test alongside the CBT.
SCL Syllabus 2026 Important Links
| Description | Official Link |
|---|---|
| SCL Technician B and Technical Assistant Syllabus 2026 | Check Official Syllabus PDF |
| SCL Official Website | Visit Official Website |
