Check the official GSSSB Instrumentation Instructor Syllabus 2026, exam pattern, subject-wise topics, marks distribution, and syllabus PDF download.
GSSSB Instrumentation Instructor Syllabus 2026 & Exam Pattern
The competitive examination consists of two parts.
| Part | Subject Area | Questions | Marks |
| Part-A | General Subjects | 90 | 90 |
| Part-B | Qualification Related Subjects | 120 | 120 |
| Total | — | 210 Questions | 210 Marks |
Part-A Subjects
| Subject | Questions | Marks |
| Reasoning & Data Interpretation | 30 | 30 |
| Quantitative Aptitude | 30 | 30 |
| Constitution of India | 10 | 10 |
| Current Affairs | 10 | 10 |
| Comprehension (Gujarati + English) | 10 | 10 |
| Total | 90 | 90 |
Part-B
| Section | Questions | Marks |
| Questions related to Educational Qualification | 120 | 120 |
Exam duration: As per official notification, details are awaited.
Negative marking: 1/4 mark deduction for each incorrect answer.
Read Also : GSSSB CCE Prelims Syllabus 2026
Detailed Subject-wise Syllabus
Reasoning & Data Interpretation
- Problems on Ages
- Venn Diagram
- Visual Reasoning
- Blood Relation
- Arithmetic Reasoning
- Data Interpretation (Charts, Graphs, Tables)
- Data Sufficiency
Quantitative Aptitude
- Number Systems
- Simplification and Algebra
- Arithmetic and Geometric Progression
- Average
- Percentage
- Profit-Loss
- Ratio and Proportion
- Partnership
- Time and Work
- Time, Speed and Distance
- Work, Wages and Chain Rule
Constitution of India
- Preamble of the Constitution
- Fundamental Rights
- Directive Principles of State Policy
- Fundamental Duties
- Role and responsibilities of President, Vice President and Governor
- Parliamentary System
- Constitutional Amendments
- Emergency provisions
- Centre-State relations
- Judicial system of India
- Constitutional bodies
Current Affairs
- Current events of state, national and international importance
Comprehension
- Assessment of comprehension, interpretation and inference skills
- Paragraph-based questions
- Statement and assertion type questions
Part-B Technical Syllabus
Introduction to Process Control
- Introduction to process control
- Sequential and continuous process control
- Elements in a control loop
- Instrumentation and sensors
- Instrument parameters
- Control system evaluation (stability, regulation, transient response)
- Analog and digital data
- Pneumatic data
- Smart sensors
- On/off control and continuous control (P, I, D, PI, PD, PID)
- Process control tuning
Units and Standards
- Basic units and derived units
- Units common to English and SI systems
- Units derived from base units
Electricity and Magnetism
- Coulomb’s law
- Electric field intensity and flux density
- Gauss’s law
- Electric potential and dielectric medium
- Capacitance of simple configurations
- Biot-Savart law
- Ampere’s law
- Faraday’s law
- Lorentz force
- Magnetic circuits and inductance
Control Systems
- Feedback principles
- Signal flow graphs
- Transient response and steady-state errors
- Bode plot and gain margins
- Nyquist criteria and root loci
- Lead and lag compensators
- State-space representation of systems
- Mechanical, hydraulic and pneumatic system components
Electrical Circuits and Machines
- Voltage and current sources
- Resistor, inductor and capacitor relationships
- RLC circuit analysis
- Kirchhoff’s laws and network theorems
- AC power and phasor analysis
- Resonance and filters
- Transformers and induction motors
- Efficiency calculations of electrical machines
Analog Electronics
- Characteristics of diode and Zener diode
- BJT and MOSFET applications
- Small signal analysis of transistor circuits
- Operational amplifier characteristics
- Op-amp applications such as integrator, differentiator, filters and oscillators
- Noise and interference in electronic circuits
Sensors and Transducers
- Resistive, capacitive, inductive and piezoelectric sensors
- Hall effect sensors
- Signal conditioning circuits
- Industrial transducers for displacement, velocity, force and torque
- pH, conductivity and viscosity measurement
- 4–20 mA transmitters
Digital Electronics
- Combinational logic circuits
- Boolean function minimization
- TTL and CMOS IC families
- Flip-flops, shift registers, timers and counters
- Analog-to-digital and digital-to-analog converters
- Number systems
- Embedded systems and microcontroller applications
- Data acquisition systems
Signals and Systems
- Periodic and aperiodic signals
- Laplace, Fourier and Z-transforms
- Transfer function and frequency response
- Convolution and correlation
- Discrete time systems
- DFT and FFT
Industrial Instrumentation
- Pressure measurement
- Flow measurement methods
- Temperature measurement devices
- Level measurement techniques
Measurements
- SI units and standards
- Errors in measurement
- Accuracy and precision
- Bridges for measurement of R, L, C and frequency
- Measurement of voltage, current and power
- Digital voltmeter and multimeter
- Oscilloscope
- Shielding and grounding
Final Control Element
- Safety valves, globe valve and butterfly valve
- Valve characteristics
- Actuators and servo motors
- Stepper motors and synchronous motors
- Ladder diagrams
PLC and DCS
- Programmable logic controller systems
- Controller operation
- SCADA systems
- Distributed control systems
- Data acquisition basics
Communication and Optical Instrumentation
- Amplitude and frequency modulation
- Shannon sampling theorem
- Pulse code modulation
- Multiplexing techniques
- Digital modulation techniques
- Optical sources and detectors
- Fiber optic sensing
- UV-VIS spectrophotometers
- Mass spectrometer
Current Trends and Recent Advancements
- Recent developments in instrumentation and automation fields
Marking Scheme / Subject Weightage
| Section | Questions | Marks |
| Part-A | 90 | 90 |
| Part-B | 120 | 120 |
| Total | 210 | 210 Marks |
Additional official instructions:
- 1/4 mark deduction for incorrect answers.
- Part-A questions will be available in Gujarati and English languages.
Summary & Next Steps
The GSSSB Instrumentation Instructor Syllabus 2025 includes general aptitude subjects in Part-A and instrumentation engineering related technical subjects in Part-B.
Candidates should:
- Follow the official syllabus topic-wise
- Practice previous year question papers
- Attempt mock tests based on the official exam pattern


