SURA’S RRB Technician Grade-I (Signal) Exam Book Guide – English Medium – Latest Updated Edition 2026 is a thoroughly prepared and exam-focused guide designed for candidates aspiring to appear for the Railway Recruitment Board (RRB) Technician Grade-I Signal examination.

This updated edition is strictly aligned with the latest syllabus and exam pattern prescribed by RRB, offering a structured and comprehensive approach to mastering both the technical and non-technical sections of the exam. It is an ideal resource for diploma and degree holders in relevant engineering fields.

Coverage Includes:

Technical Subjects (Core Discipline – Electronics, Electrical, Instrumentation):

• Basic Electronics

• Digital Electronics

• Communication Systems

• Signal & Systems

• Electrical Circuits

• Microprocessors & Microcontrollers

• Measurements & Instrumentation

• Control Systems

• Networking & Industrial Electronics

Non-Technical Sections:

• General Awareness

• General Intelligence & Reasoning

• Quantitative Aptitude

• General Science (Physics, Chemistry, Biology – 10th Std level)

• General English

Key Features:

• Updated for the 2026 RRB Technician Grade-I (Signal) Exam

• Covers both technical and general aptitude sections

• Chapter-wise explanations, solved examples, and practice MCQs

• Includes model question papers and previous year question formats

• Designed to boost concept clarity, problem-solving speed, and accuracy

• Suitable for diploma/engineering graduates from ECE, EEE, and related branches

Whether you are a first-time applicant or aiming to improve your previous attempt, SURA’S RRB Technician Grade-I (Signal) Exam Guide – 2026 Edition is your trusted companion for systematic and smart preparation to crack the exam and begin your career with Indian Railways.