BSNL JTO Syllabus 2026: BSNL has officially released the notification for the recruitment of Junior Telecom Officer (JTO) of a total of 100 vacancies. Candidates who have applied for this recruitment must start preparing for the Computer-based exam, tentatively scheduled for August 2026. Candidates must check the detailed syllabus for the BSNL JTO exam 2026 given in this article. This syllabus helps candidates to know the exam pattern and its difficulty level. It includes 3 sections, the Engineering stream I, II & General ability.
BSNL JTO Syllabus 2026
The BSNL JTO syllabus covers three sections. Engineering streams I and II include core electronics and telcom topics such as materials and components, physical electronics, network theory, electromagnetic theory, digital electronics, communication systems, and microprocessors. These two sections carry the highest weightage with a total of 400 marks out of 480. The general ability test covers English language, reasoning, quantitative aptitude, and general awareness, for 80 marks.
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BSNL JTO Exam Pattern 2026
The BSNL JTO exam is conducted in computer-based test (CBT) mode with objective-type questions. The paper has 120 questions for a total of 480 marks to be completed in 3 hours. Candidates get 4 marks for each correct answer and 1 mark deducted for every wrong answer.
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Sections
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No. of questions
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Marks
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Duration
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Engineering streams I
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50
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200
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3 hours
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Engineering streams II
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50
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200
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General Ability
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20
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80
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Total
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120
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480
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3 hours
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BSNL JTO Syllabus 2026: Section-wise topics
Candidates can check the detailed section-wise topics in the table below and start preparing for their exam without any delay:
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Section-wise
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Important Topics
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Engineering streams I
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Materials and components (conductors, semiconductors, insulators, passive components), Physical Electronics and ICs (electron devices, junction theory, semiconductor devices), Network Theory, Electromagnetic Theory, Angle Electronics, Digital Electronics
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Engineering streams II
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Communication Systems, Microprocessors and Microcontrollers, Computer Organisation, Data Communication and Networks, Basic Electronics Engineering, Telecom Switching and Transmission
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General Ability
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English Language, Reasoning, Analytical Ability, Quantitative Aptitude, General Awareness, and current affairs
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Book Recommendation for BSNL JTO Exam 2026
Candidates can prefer these books for the BSNL JTO exam preparation. Check the list given below:
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Subjects
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Book
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Author Publication
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Network Theory
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Network Analysis
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Van Valkenburg
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Electromagnetic Theory
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Electromagnetic field theory
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William Hayt
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Digital Electronics
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Digital logic and computer design
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M. Morris Mano
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Analog Electronics
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Electronic devices and circuits
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Boylested and Nashelsky
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Communication systems
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Principles of communication systems
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Taub and Schiling
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Mircoprocessors
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Microprocessor architecture, programming, and application
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Ramesh Gaonkar
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General Ability
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General english
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S.P Bakshi (Arihant)
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Reasoning
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A modern approach to verbal & non verbal reasoning
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R.S Aggarwal
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Quantitative aptitude
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Quantitative aptitude for competitive examination
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R.S Aggarwal
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Previous Year
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BSNL JTO Previous year paper
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Candidates should focus more on Sections I and II while not ignoring General Ability. Candidates are also advised to solve BSNL JTO previous-year papers and mock tests, along with these recommended books, for exam preparation.