SCL Syllabus 2026 for Technician and Technical Assistant, Check Syllabus Topics

The syllabus has been released along with the official announcement by the Semiconductor Laboratory (SCL). SCL has announced the recruitment of 83 posts in both the administrative and technical streams under the Ministry of Electronics and Information Technology. Candidates must check the syllabus to know the subjects and the marking scheme. Selection shall be on the basis of written examination, skill test, and document verification.

SCL Syllabus and Exam Pattern 2026

The SCL Technician & Technical Assistant selection process involves a written examination, skills and trade assessment, and verification of the candidates’ documents. A candidate who scores good marks in the written examination will proceed to the next stage of the selection process. The table given below contains important information about the SCL Syllabus 2026, covering the exam pattern, marking scheme, and the exam mode.

SCL Recruitment 2026 Notification Out for 83 Posts – Click to CheckS

SCL Technician & Technical Assistant Exam Pattern 2026

The SCL Technician & Technical Assistant written test will contain 80 questions carrying 80 marks. The candidate will get 1 mark for each right question, while -0.33 marks (-1/3rd mark) will be deducted for each wrong question.

Duration of Exam: 90 minutes

Languages: English and Hindi

Technician Exam Pattern

Technical Assistant Exam Pattern

SCL Technician Syllabus 2026: Subject-wise Topics

The SCL Technician Syllabus 2026 informs candidates about the various topics that will be asked in the examination. It outlines everything regarding the key topics and chapters from which the examination questions will be formed. In this article, we have discussed the topic-wise contents of the subject, according to which candidates can plan their study routine properly.

1. Workshop Calculation & Science (WCS)

Mathematics Topics

• Units and Fractions
• Square Root, Ratio, and Proportion
• Percentages
• Algebra
• Mensuration
• Trigonometry

Science Topics

• Material Science
• Mass, Weight, Density, and Specific Gravity
• Speed, Velocity, and Acceleration
• Work, Power, and Energy
• Heat and Temperature
• Basic Electricity

2. Engineering Drawing

Drawing Core Topics

• Drawing Instruments and Sheet Layout
• Lines and Lettering
• Geometric Constructions
• Dimensioning and Scales
• Orthographic Projections
• Isometric Views
• Standard Engineering Symbols

3. Core Trade Theory

Electrician Trade Theory

• Working principles of electrical machines and transformers
• AC fundamentals and DC circuit concepts
• Electrical measuring instruments and their uses
• Domestic and industrial electrical wiring
• Magnetic fields and their application
• Electrical safety practices and occupational health

Electronic Mechanic Trade Theory

• Optoelectronic Devices
• Power Electronics
• Soldering & Component Testing
• Digital Electronics Basics
• Transistors & Amplifiers
• Basic Electronics & Components

Fitter / Machinist / Turner Trade Theory

• Hand Tools & Marking
• Precision Measuring Instruments
• Limits, Fits, & Tolerances

Machine Tool Operations

• Fitter
• Machinist/Turner

SCL Technical Assistant Syllabus 2026: Subject-wise Topics

Candidates are informed about the different subjects and topics in the syllabus of the SCL Technical Assistant exam that will be featured in the exam. The syllabus makes reference to the major subjects as well as the chapters that will be studied to prepare for the exam. This article takes a closer look at the syllabus so that the candidate will know how to plan their studies accordingly.

1. Applied Technical Mathematics

Algebra & Matrix Theory

• Matrices & Determinants
• Complex Numbers: Cartesian and polar representations, De Moivre’s theorem, and roots of complex variables.

 Calculus & Coordinate Geometry

• Differential Calculus: Limits, continuity, differentiation rules, successive differentiation, maxima, and minima.
• Integral Calculus
• Differential Equations

Probability & Statistics

• Probability Foundations
• Statistical Measures: Computation of mean, median, mode, standard deviation, and variance.

2. Electronics and Communication Engineering

Network Theory

• Circuit Elements and Laws: KCL, KVL, mesh analysis, nodal analysis, and basic network parameters.
• Network Theorems
• AC Circuits and Resonance

Electronic Devices & Circuits (EDC)

•  Semiconductor Physics
• Transistor Mechanisms
•  Special Diodes and Optoelectronics

Analog Circuits

•  Amplifiers and Oscillators
•  Linear Integrated Circuits

Digital Electronics

• Logic Systems
•  Combinational Circuits
•  Sequential Circuits

Communication Systems

• Analog Communication
• Digital Communication

Microprocessors & Microcontrollers

• 8085 Microprocessor
• 8051 Microcontroller

Instrumentation & Control Systems

•  Transducers & Sensors
•  Control Fundamentals

3. Mechanical Engineering

Engineering Mechanics & Strength of Materials

•  Statics and Dynamics
•  Stress-Strain Mechanics
•  Beams and Shafts

Fluid Mechanics & Hydraulic Machinery

•  Fluid Properties & Statics: Density, viscosity, surface tension, pressure measurements using manometers, and total pressure on surfaces.
•  Fluid Kinematics & Dynamics
•  Hydraulic Machines

Thermal Engineering & Thermodynamics

• Thermodynamic Principles
•  Air Standard Cycles
•  Steam & IC Engines

Manufacturing Technology

• Casting & Welding
• Machining Processes
• Advanced Automation