The BSNL JTO Syllabus 2026 and Exam Pattern for the Junior Telecom Officer CBT exam are detailed in this guide. Candidates can easily check the subject-wise topics, marking scheme, question distribution, and complete exam format here.
Bharat Sanchar Nigam Limited (BSNL) is set to recruit eligible candidates for 100 Junior Telecom Officer (JTO) vacancies through a rigorous Computer-Based Test (CBT). To jumpstart your exam preparation, reviewing the latest syllabus and exam structure is essential. In this comprehensive guide, we provide the complete BSNL Junior Telecom Officer syllabus, featuring subject-wise topics, exam patterns, and crucial marking schemes.
BSNL JTO Syllabus and Exam Pattern 2026
The BSNL JTO computer-based test primarily covers three key sections: Engineering Stream – I, Engineering Stream – II, and General Ability. Candidates must achieve the minimum qualifying marks in each section to successfully advance through the recruitment process.
| Particulars | Details |
| Organisation | Bharat Sanchar Nigam Limited (BSNL) |
| Post | Junior Telecom Officer (JTO) |
| Vacancies | 100 |
| Duration of Exam | 3 hours |
| Mode of Exam | Online |
| No. of Questions | 120 |
| Marks | 480 |
| Negative Marking | -1 |
| Selection Process | Computer-Based Test (CBT) |
BSNL Junior Telecom Officer Exam Pattern 2026
Duration: 3 hours
Marking Scheme
- Correct Answer: +4 marks.
- Wrong Answer: -1 mark
| Section | Particulars | Marks | Number of Questions | Duration |
| Section I | Engineering Stream – I | 200 Marks | 50 Questions | 3 Hours (Total Exam) |
| Section II | Engineering Stream – II | 200 Marks | 50 Questions | |
| Section III | General Ability Test | 80 Marks | 20 Questions | |
| Total | 480 Marks | 120 Questions | 3 Hours | |
Minimum Qualifying Marks
| Category | Minimum Marks (per section) | Minimum Overall (Combined) |
| Unreserved & OBC (CL) | 40% | 50% |
| SC, ST, OBC (NCL), PwBD & EWS | 35% | 45% |
Note- Candidates must meet both the sectional and the overall minimum qualifying marks to be considered for the final merit list.
BSNL JTO Syllabus 2026
Below, we have provided a detailed, topic-wise syllabus breakdown for all three sections included in the BSNL JTO Exam.
| Section | Topics |
| Section I – Engineering Stream | Materials and Components (conductors, semiconductors, magnetic materials, passive components, etc.) |
| Physical Electronics, Electron Devices & ICs (diodes, BJTs, FETs, SCRs, CMOS, opto-electronics) | |
| Network Theory (network theorems, transient/steady state, transmission lines) | |
| Electromagnetic Theory (waveguides, transmission lines, antennas) | |
| Electronic Measurements & Instrumentation (errors, measuring instruments, transducers, telemetry) | |
| Power Electronics (thyristors, converters, inverters, SMPS, PWM) | |
| Section II – Engineering Stream | Analog Electronic Circuits (amplifiers, oscillators, OP-AMP, power supplies) |
| Digital Electronic Circuits (Boolean algebra, logic gates, flip-flops, counters, memories, A/D & D/A) | |
| Control Systems (feedback, stability, root locus, frequency response, controllers) | |
| Communication Systems (modulation, multiplexing, optical fiber, satellite communication) | |
| Microwave Engineering (waveguides, microwave devices, antennas, MASER/laser, propagation) | |
| Computer Engineering (data representation, programming, architecture, memory, I/O systems) | |
| Microprocessors (architecture, instruction set, interfacing, telecom applications) | |
| Section III – General Ability Test | English comprehension, grammar and basic communication |
| Current affairs and general knowledge | |
| Everyday science and observation | |
| Indian history and geography | |
| Telecom-related awareness and basic scientific events |
FAQs
For how many marks is the BSNL JTO exam conducted?
The BSNL JTO written examination is conducted for a total of 480 marks, comprising 120 objective-type questions.
What is the selection process for BSNL JTO 2026?
Candidates will be selected exclusively through a Computer-Based Test (CBT) process.
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