ISRO SC Syllabus 2021-22 for (ECE/CSE/Mechanical) Scientist-Engineer Exam Pattern

ISRO SC Syllabus 2021 pdf for Electronics, Mechanical and Computer Science Engineering Detailed ISRO SC Syllabus 2021 pdf for Electronics, Mechanical and Computer Science Engineering provided on this Page. Candidates those who have filled up online application form for this Latest Recruitment Test – they can download live online Syllabus for this Latest ISRO Scientist Engineer Recruitment Test 2021.

ISRO SC Syllabus 2021

Here on this Page we have provided Latest Exam Syllabus for ISRO Scientist Engineer Exam 2021 for Electronics, Mechanical and Computer Science Engineering. Just simply check detailed Exam Syllabus with Paper Pattern and download live Online ISRO Scientist Engineer Syllabus 2021 in pdf format. Yeah! We have also provided Updated Exam Syllabus in pdf format.

ISRO SC Syllabus 2021

  • Recruitment Notification Released by: Indian Space Research Organisation [ISRO]
  • Article Category: Syllabus & Exam Pattern
  • Total Number of Posts: 327 Vacancies
  • Post Name: Scientist Engineer
  • Link of official web:
  • Syllabus Status: Live Now
  • Exam Pattern Availability: Available in pdf format
  • Date of Exam: To be Announced
  • ISRO Scientist Engineer Syllabus 2021: Download Now
(Seats Vacancies Details)

Post Name Number of Seats by Post Wise
Scientist/Engineer-SC (Electronics) 131 Seats
Scientist/Engineer-SC (Mechanical) 135 Seats
Scientist/Engineer-SC (Computer Science) 58 Seats
Scientist/Engineer-SC (Electronics) – Autonomous Body 03 Seats
Total 327 Seats
Important Dates:

Events Dates
Notification Upload Date To be Announced
Application Form Starting Date To be Announced
Last Date for Online Form To be Announced
Application Form Payment Last Date To be Announced
Exam Date To be Announced

ISRO Scientist Engineer Syllabus 2021

Written Test for this ISRO Scientist Engineer 2021 will be conducted by the officials on June or July 2021 and candidates those who will clear this Recruitment Test they have to appear in the next phase of Selection which will be Interview Process. Please note that Marks scored by the applicant in written Test will not be considered by the officials in making of final Merit List.

ISRO SC Syllabus 2021
ISRO SC Syllabus 2021

Finally check here ISRO Scientist Engineer Syllabus 2021 for Electronics Engineering, Mechanical Engineering and Computer Science Engineering along with detailed Exam Pattern.

Written Paper Details (Exam Pattern):

ISRO Scientist Engineer Information:
Sr. No. Parameters Details
1.          Exam Name ISRO Scientist Engineer Exam 2021-2022
2.          Paper Language English/Hindi
3.          Marking Scheme 1 Mark for Every Correct Answer
4.          Examination Timing Morning/ Evening
5.          Subjects Various Subjects of Electronics, Mechanical and Computer Science Engineering
6.          Date of Exam March 2021*
7.          Negative Marking Not Applicable
8.          Location of Exam Ahmadabad, Bengaluru, Bhopal, Chandigarh, Chennai, Guwahati, Hyderabad, Kolkata, Lucknow, Mumbai, New Delhi and Thiruvananthapuram
9.          Duration of Exam 1.30 Hour (90 Minutes)
10.       Mode of Exam Written Test
11.       Type of Test Pen and Paper Based
12.       Questions Type Objective Type (M.C.Q’s)
13.       Total Questions 80 Questions
14.       Total Marks of Paper 80 Marks

ISRO SC Electronics Syllabus 2021 Pdf

(ISRO SC Electronics Syllabus 2021)

Network Theory:

  • Steady State Sinusoidal Response
  • Network Graphs and their Applications in network analysis
  • Theorem
  • Network Analysis Techniques
  • Network Theorems
  • Transmission Criteria: Delay and Rise Time
  • Other Definitions effect of Cascading
  • Transient Response
  • Two port networks; Z, Y, h and Transmission parameters
  • Combination of two ports, analysis of common two ports
  • Network Functions: Parts of Network Functions, Obtaining a Network Function from a given part
  • Elements of Network Synthesis

Analog Electronic Circuits:

  • Power Amplifiers
  • Feedback Amplifiers
  • Tuned Amplifiers
  • Oscillators, Rectifiers and Power Supplies
  • Frequency Response
  • Wide Banding Techniques
  • Pulse Shaping Circuits and Waveform generators
  • Transistor Biasing and Stabilization
  • Small Signal Analysis
  • Op Amp, PLL, Other linear integrated circuits and Applications

Physical Electronics, Electron Devices and ICs:

  • Basics of ICs-bipolar
  • MOS and CMOS Types: Basic and Optoelectronics
  • GTOs
  • Power MOSFETs
  • Mechanism of Current Flow in a Semi-conductor
  • Hall effect
  • Junction Theory
  • Different Types of Diodes and their Characteristics
  • Bipolar Junction Transistor
  • Electrons and Holes in semiconductors
  • Carner Statistics
  • Power Switching Devices such as SCRs
  • Field Effect Transistors

Signals and Systems:

  • State Variable Representation
  • Fourier Series
  • Convolution and superposition integrals and their applications
  • Z-Transforms and their applications to the analysis and characterization of discrete time systems
  • Response of Linear system to random inputs
  • Classification of Signals and systems
  • Random Signals and Probability
  • Correlation Functions
  • Fourier Transforms and their application to system analysis
  • Laplace Transforms and their application to system analysis
  • Spectral Density
  • System Modeling in terms of differential and difference equations

Digital Electronic Circuits:

  • IC Logic Gates and their Characteristics
  • IC Logic Families: DTL, TTL, ECL, NMOS, PMOS and CMOS gates and their comparison
  • Transistor as a Switching element
  • Waveform Generators
  • A/D and D/A Converters
  • Boolean Algebra
  • Simplification of Boolean Function: Karnaugh map and Applications
  • Combinational Logic Circuits: Half Adder, Full Adder, Digital comparator, Multiplexer, De-multiplexer
  • ROM and Their Applications
  • Flip-Flops: R-S, J-K, D and T flip tops
  • Different Types of Counters and Registers
  • Semi-conductor Memories

Control Systems:

  • Approximation of Transient Response from Closed loop Frequency response
  • Design of Control Systems
  • Compensators
  • Industrial controller
  • Root Locus Techniques
  • Frequency Response Analysis
  • Transient and Steady State Response of Control systems
  • Effect of Feedback on Stability and sensitivity
  • Concepts of Gain and Phase Margins
  • Constant-M and Constant-N Nichol Chart
  • Approximation of Transient response from Constant-N Nichol Chart

Microwave Engineering:

  • Micro strip circuits
  • Microwave Antennas
  • Micro-wave propagation
  • Microwave Communication Systems: Terrestrial and Satellite based
  • Microwave Tubes and solid state devices
  • Wave guides and other Microwave Components and Circuits
  • Microwave generation and amplifiers
  • Microwave Measurements
  • Masers, Lasers

Computer Engineering:

  • Programming
  • Fundamentals of Computer Architecture
  • Processor Design
  • Control Unit Design
  • Memory organization, I/o System Organization
  • Microprocessors: Architecture and instruction set of Microprocessor
  • Assembly language Programming
  • Elements of a High level programming language PASCAL/C
  • Use of Basic Data Structures
  • Data representation
  • Personal Computers and Their Typical uses
  • Microprocessor Based system Design: Typical examples
  • Number Systems

Electromagnetic Theory:

  • Laplace and Poisson equations
  • Boundary Value Problems and their solutions
  • Transmission Lines: Basic Theory, Standing waves, Matching applications, Micro strip lines
  • Basics of Wave Guides and Resonators
  • Elements of Antenna Theory
  • Maxwell equations
  • Application to Wave propagation in bounded and unbounded media
  • Analysis of Electrostatic and Magneto-static fields

Communication Systems:

  • Quantization and Coding
  • Time Division and Frequency Division Multiplexing
  • Equalization
  • Sampling and Data Reconstructions
  • Optical Communication: In Free space and Fiber optic
  • Propagation of signals at HF, VHF, UHF and microwave frequency
  • Satellite Communication
  • Basic Information theory
  • Modulation and Detection in Analogue and Digital systems

(ISRO Scientist Engineer Mechanical Syllabus 2021)

Engineering Mathematics:

Linear Algebra

  • Eigen Values and Eigen Vectors
  • Algebra of Matrices
  • System of Linear Equations


  • Partial Derivatives
  • Total Derivatives
  • Taylor Series
  • Fourier Series
  • Definite and Improper Integrals
  • Multiple Integrals

Vector Calculus

  • Green, Gauss and Stokes Theorems
  • Gradient, Divergence and Curl
  • Line and Surface Integrals

Numerical Methods

  • Numerical Integration
  • Newton-Raphson Method
  • Solution of System of Linear Equations
  • Interpolation
  • Runge-Kutta Method

Differential Equations

  • Initial and Boundary value problems
  • Laplace Transform
  • Linear ODEs
  • First Order Non-Linear ODEs
  • PDEs-Laplace, Wave and Diffusion Equations

Probability & Statistics

  • Gaussian
  • Weibul Distribution and Their properties
  • Regression Analysis
  • Analysis of Variance
  • Method of Least Squares

ISRO Scientist Engineer Mechanical Syllabus 2021

Theory of Machines:

  • Analysis of Plane Mechanisms
  • Gear Tooth Profiles
  • Kinematics and Design of Gears
  • Governors and Flywheels
  • Dynamic Analysis of Slider-Crank Mechanism
  • Planar Cams and Followers
  • Displacement
  • Effect of Damping
  • Vibration Isolation
  • Resonance
  • Critical Speed of Rotors
  • Velocity and Acceleration
  • Balancing of Reciprocating and Rotating Masses
  • Vibrations: Free and Forced Vibration of Single Degree Freedom Systems

Design of Machine Elements:

  • Failure Theories
  • Design of Shafts and Keys
  • Design of Spur Gears, Rolling and Sliding Contact Bearings Brakes and Clutches
  • Belt, Ropes and Chain Drives
  • Fatigue Strength
  • Design of Bolted, Riveted and Welded Joints
  • Design for Static and Dynamic Loading

Engineering Mechanics:

  • Equations of Equilibrium
  • Kinematics and Dynamics of particles and rigid bodies
  • Impulse and Momentum (Linear and Angular)
  • Energy Methods
  • Trusses and Frames
  • Virtual work and minimum potential energy
  • Equivalent Force systems
  • Free-Body concepts
  • Central Force motion


  • Electrical Analogy
  • Unsteady Heat Conduction, Fins
  • Modes of Heat Transfer
  • Dimensionless Parameters in Free and Forced Convective Heat Transfer
  • Various Correlations for Heat Transfer in Flow over Flat Plates and Through Pipes
  • Thermal Boundary Layer
  • Black and Grey Surfaces
  • Shape Factors
  • Network Analysis
  • Effect of Turbulence
  • Radioactive Heat Transfer
  • One Dimensional Heat Conduction
  • Resistance Concept
  • Heat Exchanger Performance
  • LMTD and NTU Methods


  • Thermodynamic System and Processes
  • Irreversibility and Availability
  • Calculation of Work and Heat in Ideal Processes
  • Analysis of Thermodynamic Cycles related to Energy Conversion
  • Behavior of Ideal and Real Gases
  • Properties of Pure Substances
  • Zeroth, First and Second Laws of Thermodynamics
  • Carnot, Rankine, Otto, Diesel, Brayton and Vapor Compression Cycles

Strength of Materials:

  • Stress and Strain
  • Stress-Strain Relationship and Elastic constants
  • Mohr’s circle for Plane Stress and Plane Strain
  • Shear Force and Bending Moment Diagrams
  • Bending and Shear stresses
  • Deflection of Beams Torsion of Circular shafts, Thin and Thick cylinders
  • Euler’s Theory of Columns
  • Strain Energy Methods
  • Thermal Stresses

Fluid Mechanics:

  • Control-Volume Analysis of Mass, Momentum and Energy, Fluid Acceleration
  • Differential Equation of Continuity And Momentum
  • Boundary Layer, Elementary Turbulent Flow
  • Flow through Pipes
  • Bernoulli’s Equation
  • Viscous Flow of Incompressible Fluids
  • Fluid Properties, Fluid Statics, Manometry, Buoyancy
  • Head Losses in Pipes, Bends, etc

Power Plant Engineering:

  • Requirements
  • Normal Combustion in SI and CI Engines
  • Engine Performance Calculations
  • Impulse and Reaction Principles, Velocity Diagrams, Pressure and Velocity Compounding
  • Reheating and Reheat Factor
  • Steam Generators
  • Steam Power Cycles
  • Steam Turbines
  • Condensers and Feed Heaters
  • C. Engines: Requirements and Suitability of Fuels in IC Engines, Fuel Ratings, Fuel-Air Mixture

Engineering Materials:

  • Heat Treatment
  • Structure and Properties of Engineering Materials and their Applications

Metal Casting:

  • Solidification and Cooling, Gating Design
  • Design Considerations
  • Casting Processes (Expendable and Non-Expendable) – Pattern, Moulds and Cores
  • Heating and Pouring
  • Defects

Forming Processes:

  • Fundamentals of Hot and Cold Working Processes
  • Bulk Metal Forming Processes (Forging, Rolling Extrusion, Drawing)
  • Stress-Strain Diagrams for Ductile and Brittle Materials
  • Secondary and Finishing Operations.
  • Forming and Shaping of Plastics
  • Plastic Deformation and Yield Criteria
  • Sheet Metal Working Processes (Punching, Blanking, Bending)
  • Deep Drawing, Coining, Spinning
  • Load Estimation using Homogeneous Deformation Methods, Defects)
  • Processing of Powder Metals- Atomization, Compaction, Sintering
  • Extrusion, Injection Molding

Joining Processes:

  • Brazing and Soldering
  • Design Considerations in Welding
  • Weld Quality Defects
  • Machining and Machine Tool
  • Adhesive Bonding
  • Physics of Welding
  • Fusion and Non-Fusion Welding Processes

Refrigeration and air-conditioning:

  • Expansion Devices
  • Psychometric Chart
  • Basic Psychometric Processes
  • Condensers and Evaporators
  • Properties of Moist Air
  • Refrigerant Compressors

Turbo machinery:

  • Compression Processes
  • Elementary Theory
  • Hydraulic Turbines
  • Euler turbine Equation
  • Centrifugal and Axial Flow Compressors
  • Axial Flow Turbines
  • Components of Gas Turbines
  • Specific Speed, Pelton-Wheel, Francis and Kaplan Turbines
  • Centrifugal Pumps


  • Single and Multi-Point Cutting Tools
  • Tool Geometry and Materials
  • Machinability
  • Economics of Machining
  • Tool Life and Wear
  • Cutting Fluids
  • Mechanics of Machining
  • Non-Traditional Machining Processes

Metrology and Inspection:

  • Comparators Gauge Design
  • Form and Finish Measurement
  • Measurement of Screw Threads
  • Alignment and Testing Methods
  • Interferometry
  • Limits, Fits and Tolerances
  • Linear and Angular Measurements

Production Planning and Control:

  • Master Scheduling
  • Forecasting Models
  • Aggregate Production Planning
  • Materials Requirements Planning

Inventory Control:

  • Safety Stock Inventory Control Systems
  • Deterministic and Probabilistic Models

Operations Research:

  • Network Flow Models
  • Simple Queuing Models
  • Linear Programming
  • Simplex and Duplex Method
  • Transportation, Assignment
  • PERT And CPM

Tool Engineering:

  • Computer Integrated Manufacturing: Basic Concepts of CAD, CAM and their Integration Tools
  • Principles of Work Holding
  • Design of Jigs and Fixtures

Manufacturing Analysis:

  • Time and Cost Analysis
  • Part-Print Analysis
  • Tolerance Analysis in Manufacturing and Assembly


  • Work Sampling
  • Job Evaluation
  • Method Study
  • Work Measurement Time Study
  • Merit Rating

(ISRO SC Computer Science Syllabus 2021)

Computer H/W Digital Logic:

  • Design and Synthesis of Combinational and Sequential Circuits – Number Representation and Computer Arithmetic (Fixed and Floating point)
  • Logic Functions
  • Minimization

ISRO SC Computer Science Syllabus 2021

Software Systems Data Structures:         

  • Stack, Queue, List, Set, String, Tree, Binary search tree, Heap, Graph
  • Notion of Abstract Data Types

Computer Organization:

  • ALU and Data-path
  • I/O Interface (Interrupt and DMA mode)
  • Serial Communication interface
  • Instruction Pipelining
  • Hardwired and Micro programmed control
  • Memory Interface
  • Machine Instructions and Addressing modes
  • Cache, Main and Secondary storage

Programming Methodology:

  • Scope, Binding, Parameter passing
  • C Programming
  • Program control (Iteration, Recursion, Functions)
  • Elementary concepts of Object oriented, Functional and Logic Programming

Algorithms for Problem Solving:

  • Spanning Trees, Shortest Paths
  • Hashing, Sorting, Searching
  • Tree and Graph Traversals
  • Connected components
  • Design Techniques (Greedy, Dynamic Programming, Divide and-Conquer)

ICRB Exam Syllabus 2021

Compiler Design:

  • Runtime environment
  • Code Generation
  • Lexical Analysis
  • Parsing
  • Syntax Directed Translation
  • Linking (Static and Dynamic)

Operating Systems:

  • Processes, Threads and Inter process communication
  • File systems, I/O systems
  • Protection and Security
  • CPU scheduling
  • Memory Management
  • Classical Concepts (Concurrency, Synchronization, Deadlock)


  • Query languages (SQL)
  • File Structures (Sequential files, Indexing, B+ trees)
  • Relational Model (ER-model, Relational algebra, Tuple calculus)
  • Database Design (Integrity Constraints, Normal forms)
  • Transactions and Concurrency control

Computer Networks:

  • LAN Technologies (Ethernet, Token ring)
  • ISO/OSI stack
  • Sliding Window Protocol
  • Basic Concepts of Switches, Gateways and Routers

ISRO SC Exam Pattern 2021

To download Exam Syllabus in pdf format simply click on the link below provided here and download official online ISRO SC Syllabus 2021 for Electronics, Mechanical and Computer Science Engineering Written Exam.

ISRO SC Electronics Syllabus 2021 Pdf Pdf Link
ISRO Scientist Engineer Mechanical Syllabus 2021 Pdf Link
ISRO SC Computer Science Syllabus 2021 Pdf Link
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