Semi-Conductor Laboratory (SCL), Mohali has released the official syllabus for the Technical Assistant (Post Code SCL 2605-01 to 2605-11) Computer Based Test under Advertisement No. SCL:DR:01/2026. The CBT has two parts — Part A (General English, Quantitative Aptitude, General Intelligence & Logical Ability, General Knowledge / Current Affairs) and Part B (trade-wise syllabus) — with 100 questions of 100 marks in 60 minutes in each part, followed by a trade-wise Skill Test.
Semi-Conductor Laboratory (SCL), Mohali | SCL Technical Assistant Syllabus 2026 – WWW.TECHJOBRESULT.COM
Short Information & Overview
| Organization | Semi-Conductor Laboratory (SCL), S.A.S. Nagar (Mohali), Punjab — Ministry of Electronics & Information Technology, Government of India |
| Post Name | Technical Assistant (Post Code SCL 2605-01 to 2605-11) — 30 Posts |
| Advertisement Number | Advt. No. SCL:DR:01/2026, dated 24 October 2026 |
| Education Qualification | First Class 3-year full-time Diploma in the relevant trade + 2 years post-qualification experience (First Class B.Sc. in Electronics accepted for Electronics; First Class BCA / B.Sc. Computer Science accepted for Computer Science) |
| Exam Name | Computer Based Test (CBT) — Part A + Part B, followed by a trade-wise Skill Test |
| Total Marks | 200 Marks (Part A: 100 marks + Part B: 100 marks) |
| Exam Duration | Part A: 60 minutes; Part B: 60 minutes |
| Negative Marking | 0.25 mark deducted for each wrong answer (1 mark for each correct answer) |
| Last Date to Apply Online | 30 November 2026 (till 05:00 PM) |
| Official Website | scl.gov.in |
| Application Mode | Online only — through www.scl.gov.in/career.html |
Note: This is the indicative syllabus for the Computer Based Test given in the official advertisement (Section 12). The CBT is followed by a trade-wise Skill Test, which is purely on a go / no-go basis — its marks are not counted for selection. Final selection is based on the marks obtained in the Computer Based Test, from among the candidates who qualify in the skill test. Candidates shortlisted from the CBT in the ratio of 1:5 appear for the skill test. The detailed vacancy article is published separately on this site.
Exam Pattern
| Part | Subjects | Questions | Marks | Duration |
| Part A | General English (25) + Quantitative Aptitude (25) + General Intelligence & Logical Ability (25) + General Knowledge / Current Affairs (25) | 100 | 100 | 60 minutes |
| Part B | Trade-wise curriculum test (as per the trade applied for) | 100 | 100 | 60 minutes |
| Total | CBT (Part A + Part B) | 200 | 200 | 120 minutes |
Each correct answer carries 1 mark and 0.25 mark is deducted for each wrong answer. Qualifying marks in each part: UR 50%, OBC (NCL) / EWS 45%, SC / ST / PwBD / ESM 40%. CBT centres: New Delhi, Chandigarh, Chennai, Bengaluru, Mumbai, Ahmedabad, Hyderabad and Kolkata. The skill test is held at S.A.S. Nagar (Mohali) / Chandigarh only.
Part A Syllabus
| Subject (25 Questions Each) | Topics |
| General English | Vocabulary, grammar, sentence structure, synonyms, antonyms and their correct usage, Spot the Error, Fill in the Blanks, Synonyms / Homonyms, Antonyms, Spellings / Detecting misspelt words, Idioms & Phrases, One word substitution, Improvement of Sentences, Active / Passive Voice of Verbs, Conversion into Direct / Indirect narration, Shuffling of Sentence parts, Shuffling of Sentences in a passage, Cloze Passage, Comprehension Passage. |
| Quantitative Aptitude | Computation of whole numbers, decimals, fractions and relationships between numbers, Percentage, Ratio & Proportion, Square roots, Averages, Interest, Profit and Loss, Discount, Partnership Business, Mixture and Alligation, Time and distance, Time & Work, Basic algebraic identities of School Algebra & Elementary surds, Graphs of Linear Equations, Triangle and its various kinds of centres, Congruence and similarity of triangles, Circle and its chords, tangents, angles subtended by chords of a circle, common tangents to two or more circles, Triangle, Quadrilaterals, Regular Polygons, Circle, Right Prism, Right Circular Cone, Right Circular Cylinder, Sphere, Hemispheres, Rectangular Parallelepiped, Regular Right Pyramid with triangular or square base, Trigonometric ratio, Degree and Radian Measures, Standard Identities, Complementary angles, Heights and Distances, Histogram, Frequency polygon, Bar diagram & Pie chart. |
| General Intelligence & Logical Ability | Questions of both verbal and non-verbal type: analogies, similarities and differences, space visualization, spatial orientation, problem solving, analysis, judgment, decision making, visual memory, discrimination, observation, relationship concepts, arithmetical reasoning and figural classification, arithmetic number series, non-verbal series, coding and decoding, statement conclusion, syllogistic reasoning. Topics: Semantic Analogy, Symbolic / Number Analogy, Figural Analogy, Semantic Classification, Symbolic / Number Classification, Figural Classification, Semantic Series, Number Series, Figural Series, Problem Solving, Word Building, Coding & de-coding, Numerical Operations, Symbolic Operations, Trends, Space Orientation, Space Visualization, Venn Diagrams, Drawing inferences, Punched hole / pattern-folding & un-folding, Figural Pattern-folding and completion, Indexing, Address matching, Date & city matching, Classification of centre codes / roll numbers, Small & Capital letters / numbers coding, decoding and classification, Embedded Figures, Critical thinking, Emotional Intelligence, Social Intelligence. |
| General Knowledge / Current Affairs | General awareness of the environment around the candidate and its application to society; knowledge of current events and of such matters of every day observation and experience in their scientific aspect, as may be expected of an educated person. Questions may also be asked on India and its neighbouring countries, especially on History, Culture, Geography, Economic Scene, General Policy and Scientific Research. The test may also include questions relating to India and its neighbouring countries, especially about History, Culture, Geography, Economic Scene, General Policy and Scientific Research, including questions about current events. |
Part B Syllabus (Trade-wise)
| Trade (Post Code) | Syllabus Topics |
| Electrical (SCL 2605-1) | Electrical Materials, Electricity and Magnetism, Electrical Engineering Drawing, Estimation & Costing, Electrical Machine and Electrical Drives, Industrial Instrumentation and Control, Principles of Power Electronics and Digital Electronics, Electrical Measurements and Instrumentation, Generation, Transmission & Distribution, Basic Electronics and Digital Techniques, Electrical Power and Basic Electrical Engineering. |
| Mechanical (SCL 2605-2) | Applied Mathematics, Engineering Drawing and CAD / CAM / CIM, Solid Mechanics and Machine Design, Fluid Mechanics and Heat Transfer, Theory of Machines, Mechanical Engineering Design, Manufacturing Engineering and Production Processes, Electrical and Electronics Engineering, Quality Control and Inspection, Advanced Machining and CNC, Workshop Technology. |
| Electronics (SCL 2605-3) | Electrical Machine, Generation, Transmission and Distribution of Electrical Power, Electrical Circuits, Electrical Measurements and Measuring Instruments, Electrical Materials, Electrical Energy Utilization, Electrical Installation, Estimation and Costing, Electronic Components and Devices, Digital Electronics, Computer Programming, Electronics and Communication, Process Control and Industrial Instrumentation, Electrical Safety. |
| Instrumentation (SCL 2605-4) | Applied / Engineering Mathematics, Electronic components, devices and circuits, Electronics and Electrical Measurements and Instrumentation, Power Electronics, Process Control and Instrumentation, Industrial Instrumentation and Control, Digital Electronics and Microprocessor, Communication Systems, Electrical Machines, PLC and SCADA, Sensor and Transducer. |
| Computer Science (SCL 2605-5) | Fundamentals of Computer, Introduction to C / C++ and PHP Programming, Object Oriented Programming Principles, Operating System, Data Structures, Database Management System, Computer Networks, Cyber Security, Software Engineering, Web Programming, Computer Architecture and Organization. |
| Information Technology (SCL 2605-6) | Fundamentals of IT, Introduction to Java Programming, Data Structures and Algorithms, Database Management System, Computer Networks, Cyber Security, Software Engineering, Web Development, Mobile Application Development, Computer Organization and Architecture. |
| Civil (SCL 2605-7) | Strength of Material, Structural Mechanics, RCC Design, Steel Design, Concrete Technology, Construction Management, Surveying, Fluid Mechanics, Hydraulics and Water Resources, Environmental Engineering, Geotechnical Engineering, Transportation Engineering. |
| Chemical (SCL 2605-8) | Applied Mathematics, Material and Energy Balance, Chemical Engineering Thermodynamics, Chemical Technology, Heat Transfer, Mass Transfer, Fluid Mechanics, Chemical Reaction Engineering, Process Control and Instrumentation, Chemical Process Industries, Environmental Engineering. |
| Fire & Safety (SCL 2605-9) | Physics and Chemistry of Combustion, Principle of Fire Extinguishment and Heat Transfer, Fire Extinguishers and Fire Detection, Fire Prevention and Fire Protection, Building Construction and Fire Safety, Fire Hydrant System, Fire Fighting Equipment, Industrial Safety, Disaster Management, Occupational Health and Safety. |
| Physics (SCL 2605-10) | Mechanics, Waves and Optics, Electricity and Magnetism, Heat and Thermodynamics, Modern Physics, Solid State Physics, Electronics, Mathematical Physics, Atomic and Molecular Physics, Nuclear Physics, Statistical Mechanics. |
| Chemistry (SCL 2605-11) | Basic Mathematical Concepts (10+2 Level): Functions, maxima and minima, integrals, ordinary differential equations, vectors and matrices; Atomic Structure: Fundamental particles, Bohr’s theory of hydrogen atom, quantum numbers, Aufbau principle, Hund’s rule, Pauli exclusion principle; Chemical Bonding: ionic, covalent, metallic, hydrogen bonding; Chemical Equilibrium: law of mass action, Le-Chatelier principle; Electrochemistry: electrolysis, galvanic cell, EMF; Chemical Kinetics: rate laws, order and molecularity; Coordination Chemistry: Werner theory, IUPAC nomenclature; Organic Chemistry: general principles, hydrocarbons, functional groups; Periodic Table and Periodicity; States of Matter: gaseous, liquid and solid state; Chemical Thermodynamics: laws of thermodynamics, enthalpy, entropy, free energy; Spectroscopy: basic principles of UV, IR and NMR. |
Selection Process
- Computer Based Test (CBT): Part A — 100 questions / 100 marks in 60 minutes; Part B — 100 questions / 100 marks in 60 minutes. Total: 200 questions / 200 marks in 120 minutes. Each correct answer carries 1 mark and 0.25 mark is deducted for each wrong answer. Qualifying marks in each part: UR 50%, OBC (NCL) / EWS 45%, SC / ST / PwBD / ESM 40%.
- Skill Test (trade-wise): Candidates shortlisted from the CBT in the ratio of 1:5 appear for a trade-wise skill test, which is purely on a go / no-go basis — its marks are not counted for selection.
- Final Merit: Final selection is based on the marks obtained in the Computer Based Test, from among the candidates who qualify in the skill test. The merit list is prepared from the CBT marks.
The detailed vacancy article for SCL Technical Assistant Recruitment 2026 (30 posts) is published separately on this site. More syllabus articles are listed in the Syllabus section of TechJobResult.
Important Links
| Syllabus Download | Click Here |
| Official Notification (Advt. SCL:DR:01/2026) | Click Here |
| Apply Online | Click Here |
| Official Website | Click Here |
| Join WhatsApp Channel | Click Here |
| Join Telegram Channel | Click Here |
FAQs – SCL Technical Assistant Syllabus 2026
Q1. What is the exam pattern for SCL Technical Assistant CBT 2026?
The CBT has two parts — Part A (General English, Quantitative Aptitude, General Intelligence & Logical Ability, General Knowledge / Current Affairs) and Part B (trade-wise syllabus) — with 100 questions of 100 marks in 60 minutes in each part. Total: 200 questions, 200 marks, 120 minutes.
Q2. Is there negative marking in the SCL Technical Assistant CBT?
Yes. Each correct answer carries 1 mark and 0.25 mark is deducted for each wrong answer.
Q3. What are the qualifying marks in the SCL Technical Assistant CBT?
UR 50%, OBC (NCL) / EWS 45%, SC / ST / PwBD / ESM 40% in each part.
Q4. What is the syllabus for Part A of the SCL Technical Assistant CBT?
Part A has 25 questions each from General English, Quantitative Aptitude, General Intelligence & Logical Ability and General Knowledge / Current Affairs.
Q5. What is the syllabus for Part B of the SCL Technical Assistant CBT?
Part B is a trade-wise curriculum test (100 questions) based on the trade applied for — Electrical, Mechanical, Electronics, Instrumentation, Computer Science, Information Technology, Civil, Chemical, Fire & Safety, Physics or Chemistry.
Q6. Is there a skill test after the CBT?
Yes. Candidates shortlisted from the CBT in the ratio of 1:5 appear for a trade-wise skill test at S.A.S. Nagar (Mohali) / Chandigarh. The skill test is purely on a go / no-go basis — its marks are not counted for selection.
Q7. How is the final selection made for SCL Technical Assistant?
Final selection is based on the marks obtained in the Computer Based Test, from among the candidates who qualify in the skill test.
Q8. Where can I download the SCL Technical Assistant syllabus PDF?
The syllabus is given in the official advertisement (Section 12). The advertisement PDF can be downloaded from the ‘Syllabus Download’ link above, or from the official SCL website (scl.gov.in).