GSSSB AAE Syllabus 2026: Exam Pattern, Subject-Wise Topics & Marking Scheme

The GSSSB AAE (X-Ray Technician) Syllabus 2026 is divided into two parts with a total of 210 marks. Part A carries 90 marks and includes Reasoning, Quantitative Aptitude, Constitution of India, Current Affairs, and Comprehension. Part B carries 120 marks and focuses on technical subjects related to radiography and X-ray technology.

The technical section covers important topics such as Radiophysics, Radiation Protection, Digital Radiography, Radiographic Quality, Dark Room Techniques, and Newer Imaging Modalities like CT, MRI, and Doppler. Understanding the exam pattern and topic-wise weightage will help candidates create a smart study plan and focus on high-scoring areas.

GSSSB Additional Assistant Engineer Syllabus 2026 Overview

Before starting your preparation, it is important to understand the overall structure of the GSSSB Additional Assistant Engineer (X-Ray Technician) Exam 2026. The exam consists of two parts and carries a total of 210 marks.

The GSSSB Additional Assistant Engineer Exam Pattern 2026 is divided into two clear parts. Part A tests your general aptitude and knowledge. Part B tests your technical skills as an X-Ray Technician. Both parts are equally important to score well overall.

GSSSB Additional Assistant Engineer Marking Scheme 2026

The GSSSB Additional Assistant Engineer (X-Ray Technician) Exam 2026 consists of 210 questions carrying 210 marks. The paper is divided into Part A (General Aptitude) and Part B (Technical Subject). Each question carries 1 mark.

Part A: General Aptitude (90 Marks)

Part B: Technical (X-Ray Technician) (120 Marks)

Part A Syllabus - General Aptitude (90 Marks, 90 Questions)

Part A of the GSSSB Additional Assistant Engineer Syllabus 2026 carries 90 marks spread across 5 sections. Each question carries 1 mark.

(1) Reasoning & Data Interpretation

This is the highest-weighted section in Part A. Topics covered:

• Problems on Ages

• Venn Diagram

• Visual Reasoning

• Blood Relation

• Arithmetic Reasoning

• Data Interpretation (Charts, Graphs, Tables)

• Data Sufficiency

(2) Quantitative Aptitude - 30 Questions, 30 Marks

Quantitative Aptitude carries equal weight to Reasoning. Topics covered:

• 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

(3) Constitution of India 

A static GK section that can be fully prepared from standard study material. Topics covered:

• Preamble of the Constitution

• Fundamental Rights

• Directive Principles of State Policy

• Fundamental Duty

• Power, role and responsibility of President, Vice President and Governor

• Parliamentary System

• Amendment of Indian Constitution, Emergency Provisions

• Centre–State Government and their Relation

• Judicial System of Indian Constitution

• Constitutional Body

(4) Current Affairs 

This section covers current events of state, national and international importance. Read daily news from reliable sources and focus on Gujarat state-level news alongside national and global events of the past 6–12 months.

(5) Comprehension

This section tests your reading, interpretation, and inference skills in both Gujarati and English. A paragraph is given followed by a set of questions based on it. Statement and assertion-type questions may also be asked.

Part B Syllabus - Technical (X-Ray Technician) - 120 Marks, 120 Questions

Part B of the GSSSB AAE Syllabus 2026 is entirely technical and based on your qualification as an X-Ray Technician. It carries the highest weight in the entire exam - 120 out of 210 marks.

(1) Radiophysics 

This is the foundation of the entire technical section. Topics:

• Roentgen Rays

• Electromagnetic Spectrum

• X-Ray Production, X-Ray Tubes

• Properties and Characteristics of X-Rays

• X-Ray Generators

• Attenuation

• Filters

• Grids, Magnification Radiography

• Interaction of X-Rays with Matter

• Intensifying Screen

• Fluoroscopic Screen

• Image Intensifier Television

• Mammography

• Xeroradiography

(2) Digital Radiography and Computed Radiography 

This section covers the shift from traditional film-based imaging to digital systems, including computed radiography (CR) workflows and digital radiography (DR) technology.

(3) Radiographic Quality 

Topics that affect image quality in radiography:

• Unsharpness

• Density

• Contrast

• Distortion

• Noise

Understanding these factors helps produce diagnostically useful images - a core skill for any X-Ray Technician.

(4) Radiation Protection 

This is the second-highest weighted technical topic after Radiophysics. Topics:

• Units - R, Rad and Rem

• Dosimetry

• Harmful Effects of Radiation

• Measures of Protection for Patient, Radiological Worker and General Population

• Functions of AERB, AERB Guidelines

• Layout of X-Ray Room

Important: Radiation Protection carries 30 marks - the highest in Part B. Give this section serious preparation time. AERB guidelines and dosimetry are frequently asked in state-level X-Ray Technician exams.

(5) Dark Room and Its Accessories 

Topics:

• Planning of Dark Room

• Dark Room Process

• Artifact and Dark Room Defect

• Autoprocessor

(6) Newer Modalities 

Modern imaging technologies are covered here:

• Subtraction Angiography

• Computed Tomography - Spiral and Multislice

• Ultrasonography - Color Doppler

• Magnetic Resonance Imaging (MRI) & MRA

This section tests awareness of advanced diagnostic imaging beyond basic X-Ray - important for modern radiography practice.

(7) General 

• Role of Computer in Radiography

• Barium Procedure

• Contrast Medical Procedure - IVP, MCU, RGU, HSG, Loopogram

• Different X-Ray Views

• Professional Ethics

How to Prepare for GSSSB AAE Syllabus 2026 

Now that you are familiar with the complete GSSSB Additional Assistant Engineer (AAE) Syllabus 2026, follow these preparation strategies to maximize your score:

• Start with Radiation Protection (30 Marks): This is the highest-scoring section in Part B. Topics such as dosimetry, radiation hazards, and AERB guidelines are largely factual and can be learned through consistent revision.

• Focus on Radiophysics (25 Marks): Build a strong understanding of core concepts such as X-ray production, attenuation, filtration, and intensifying screens. This section forms the foundation of technical knowledge.

• Practice Reasoning and Quantitative Aptitude (60 Marks Combined in Part A): Dedicate time daily to solving questions and taking timed mock tests. Together, these sections account for a significant portion of Part A.

• Prepare the Constitution of India Thoroughly: Study this static subject from a reliable source and revise it regularly to retain important facts and provisions.

• Stay Updated with Current Affairs: Read newspapers, magazines, or current affairs compilations regularly. Avoid leaving this section for last-minute preparation.

• Understand Newer Imaging Modalities (20 Marks): Although these topics are advanced, questions are generally conceptual in nature. Focus on understanding the principles and differences between CT, MRI, Doppler, and conventional X-ray imaging techniques