The Indian Space Research Organisation (ISRO) conducts the recruitment drive for the post of Technician in two stages, a written and a skill test. The final selection is done on the basis of the marks obtained in the written test provided that the candidate qualified in the skill test. It is important to know the syllabus and exam pattern for ISRO Technician so candidates can start your preparation accordingly. A detailed ISRO Technician syllabus is discussed in the article below.

• ISRO Technician syllabus 2025 includes various non-technical topics such as Basic English, Arithmetic, and General Knowledge.
• There are technical topics such as Machine Design, Theory of Machines, Fluid Mechanics, and many more.
• The exam incorporates 80 questions of 3 marks each
• Candidates will have 90 minutes to complete the paper

ISRO Technician Syllabus 2025

The ISRO Technician Syllabus includes topics from English, Arithmetic, General Knowledge, and post-specific subjects. The subject-wise syllabus for the written exam is given below.

ISRO Technician Syllabus for Common Subjects

MCQ will be asked in this stage of the examination. Candidates will have to face questions from Basic English, Arithmetic, General Knowledge, and respective technical subjects. The detailed syllabus for Stage 1 of the examination is given below:

ISRO Technician Syllabus for Basic English

Check out ISRO Technician Previous Year Papers.

ISRO Technician Syllabus for Technical subjects

The syllabus for the technical subject is different for each category. The main category of technical subjects are electronics, mechanical, electrical engineering, and computer science. Detailed syllabus of each technical subject is given below:

ISRO Technician Syllabus - Mechanical

• Engineering Mechanics.
• Mechanics of Materials.
• Vibrations.
• Machine Design.
• Theory of Machines.
• Fluid Mechanics.
• Heat-Transfer.
• Thermodynamics.
• Power Engineering.
• Turbo-machinery.
• Engineering Materials.
• Computer Integrated Manufacturing.
• I.C. Engines.
• Refrigeration and air-conditioning.
• Production Planning and Control.
• Casting, Forming and Joining Processes.
• Machining and Machine Tool Operations.
• Operations Research.
• Metrology and Inspection.
• Inventory Control etc.

ISRO Technician Syllabus 2025 - Electrical Engineering

• Network Analysis.
• Power Electronics & Drives.
• Electronics Devices.
• Electromagnetic Theory.
• Analog and Digital Electronics.
• Electrical Instrumentation.
• Power System Analysis & Control.
• Utilization of Electrical Energy.
• Power System Protection.
• Control Systems.
• Power Systems.
• Electrical Machines.
• Switchgear and Protection etc.

ISRO Technician Syllabus - Electronics

• Basics of Circuits and Measurement Systems.
• Analog Electronics.
• Transducers, Mechanical Measurement and Industrial Instrumentation.
• Electrical and Electronic Measurements.
• Digital Electronics.
• Control Systems and Process Control.
• Analytical, Optical Instrumentation.
• Signals, Systems, and Communications.

ISRO Technician Syllabus - Computer Science

• Digital Logic.
• Computer Organization and Architecture.
• Programming and Data Structures.
• Algorithms.
• Theory of Computation.
• Compiler Design.
• Operating System.
• Databases.
• Information Systems and Software Engineering.
• Computer Networks.
• Web technologies.

ISRO Technician Syllabus - Civil Engineering

• Building Materials.
• Surveying.
• Transportation Engineering.
• Soil Mechanics.
• Hydraulics.
• Irrigation Engineering.
• Estimating, Costing, and Valuation.
• Environmental Engineering.
• Structural Engineering
• Theory of Structures.
• RCC Design
• Steel Design.
• Concrete Technology.

ISRO Technician Exam Pattern 2025

Candidates applying for the ISRO technician position would first have to get through a screening process where the exam conducting authority will go through the application and the qualifications of the candidates. Only the candidates who go through the screening process will be called in for the written MCQ-type objective test. 

The details of the objective-type written test are given in the table below:

Here we have covered most of the details regarding the ISRO Technician Syllabus and Exam Pattern. If you still have any suggestions or queries, do allow us to know within the comment section. Install the Testbook App and upscale your preparation for the upcoming competitive exams with the best online coaching.