2025 ISRO Scientist/Engineer Exam Pattern and Syllabus Overview
🕒 Updated On: 20 August 2026 | 05:34 PM 📄 Category: Result

ISRO Scientist/Engineer Exam Syllabus and Pattern 2025

The Indian Space Research Organisation (ISRO) has officially unveiled the syllabus and exam structure for the recruitment examination of Scientist/Engineer (SC). For candidates aspiring to secure this position, a comprehensive understanding of the syllabus is crucial for developing an effective study strategy. The selection process consists of a written exam followed by an interview. The written test comprises 100 questions totaling 100 marks, allowing candidates a duration of 2 hours to complete it. A penalty of 1/3 mark is imposed for each incorrect answer. For additional information, candidates can visit the official ISRO website at isro.gov.in.

ISRO Scientist/Engineer (SC) Exam Overview

ISRO has released the comprehensive syllabus and exam framework for the Scientist/Engineer (SC) recruitment exam. An in-depth understanding of both sections of the syllabus is essential for candidates preparing for this examination. Grasping the detailed structure will support an organized approach to studying, thereby enhancing the likelihood of success.

Conducting Authority Post Name Number of Vacancies Selection Process No. of Questions Duration Total Marks Negative Marking Official Website
Indian Space Research Organization (ISRO) Scientist/Engineer (SC) 320 Written Examination, Interview 100 2 hours 100 1/3 mark isro.gov.in

ISRO Scientist/Engineer (SC) Syllabus 2025

Understanding the syllabus is essential for exam preparation, as it outlines key topics to study. To perform well in the ISRO Scientist/Engineer (SC) exam, candidates should become familiar with the syllabus, which includes both general subjects and specific content relevant to the position. Use the syllabus as a guide for your studies to ensure thorough coverage.

Subject-wise Syllabus Breakdown

Branch Topic Subtopics
Mechanical Engineering Engineering Mechanics Statics, Dynamics, Friction, Moment of Inertia, Work and Energy, Rigid Body Dynamics
Strength of Materials Stress and Strain, Bending Stress, Shear Force, Bending Moment, Torsion, Thin and Thick Cylinders
Principles of Thermodynamics Thermodynamic Cycles, Air Standard Cycles, Refrigeration, Heat Engines, Air-Conditioning
Fluid Mechanics Fluid Statics, Bernoulli’s Equation, Measurement of Flow, Laminar and Turbulent Flow, Pipe Flow
Machine Design Designing of Bearings, Gears, Shafts, Springs, Fasteners, and Components for Power Transmission
Manufacturing Processes Forging, Casting, Additive Manufacturing, Welding, Machining, CNC, and Material Handling
Electronics & Communication Circuit Theory AC/DC Circuits, Ohm’s Law, Kirchhoff’s Laws, Resonance, Theorems, Transients
Signals and Systems Fourier Series, Convolution, Laplace & Z-Transforms, Digital Signal Processing, Filters
Electronic Devices Diodes, Transistors, FETs, Operational Amplifiers, Voltage Regulators, Oscillators
Digital Electronics Logic Gates, Number Systems, Boolean Algebra, Flip-Flops, Registers, Counters, ADC/DAC
Control Systems Open/Closed Loop Systems, Stability, Root Locus, Bode & Nyquist Plots, PID Control
Communication Systems AM, FM, PM, PCM, Error Control Coding
Computer Science Engineering Data Structures & Algorithms Arrays, Linked Lists, Trees, Graphs, Stacks, Sorting, Searching, Queues, Hashing
Operating Systems Memory, Processes, Deadlocks, File Systems, Scheduling, Virtual Memory
Database Management SQL, Normalization, ER Diagrams, Relational Model, Transactions, Indexing
Computer Networks Routing, IPv4/IPv6, OSI & TCP/IP Models, Protocols, Error Correction
Software Engineering Testing, SDLC, Design Patterns, Maintenance, Agile Methods
Discrete Mathematics Graph Theory, Set Theory, Logic, Automata, Combinatorics
Electrical Engineering Circuit Theory Network Theorems, AC/DC Circuits, Transients, Thevenin/Norton, Power Factor
Control Systems Stability, Bode, Transfer Functions, Root Locus, State-Space, Feedback
Electrical Machines Transformers, Synchronous & Induction Motors, DC/AC Machines
Power Systems Generation, Fault Analysis, Protection, Load Flow, Transmission
Power Electronics Converters, Rectifiers, Inverters, Semiconductor Devices
Signal Processing Sampling, Filters, Frequency Analysis, Fourier Transform
Electromagnetic Fields Maxwell’s Equations, Transmission Lines, Electromagnetic Waves, Radiation

Preparation Strategies for the ISRO Scientist/Engineer Exam

Effective preparation for the ISRO Scientist/Engineer (SC) exam can be achieved through the following recommendations:

  • Understand the Exam Pattern and Syllabus: Familiarize yourself with the syllabus and exam structure to facilitate organized planning.
  • Create a Study Schedule: Allocate time effectively for both general and specific subject areas.
  • Refer to Quality Study Materials: Utilize recommended literature and resources relevant to each subject.
  • Practice Regularly: Engage in solving practice papers and previous exam questions to hone your skills.
  • Focus on Conceptual Clarity: Emphasize understanding core principles rather than rote memorization.
  • Improve Speed and Accuracy: Aim to answer questions swiftly and accurately.
  • Stay Updated with Current Affairs: Keep abreast of current events through reliable news outlets.
  • Maintain a Healthy Lifestyle: Prioritize proper nutrition, hydration, and regular breaks.
  • Regular Revision: Consistently revisit topics to reinforce retention.
  • Stay Positive and Motivated: Cultivate confidence and enthusiasm throughout your study journey.
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