BSNL SYLLABUS 2017 recent information BSNL updated November 19, 2017

BSNL Syllabus 2017 for JTO, Junior Engineer. Get All Details and Updates here. BSNL SYLLABUS 2017 find all essential information and latest updates on BSNL SYLLABUS 2017 which are verified and updated here on November 19, 2017 all details on recent event of BSNL SYLLABUS 2017 is updated here up-to this minute and be the first person to discover BSNL SYLLABUS 2017 and make use of the ample official links provided in BSNL SYLLABUS page.

Last modified:19-11-2017

All information you need to know on BSNL Syllabus is given here. BSNL Syllabus for each section is detailed in the article. Thorough idea on BSNL Syllabus will help in better preparation. For more details on BSNL Syllabus and instant updates, follow the article.

BSNL Syllabus - JTO

BSNL has an ongoing large scale recruitment of Junior Telecom Officer for 2017. Candidates who have applied for the post should have the following educational qualifications: BE/BTech. or equivalent in Telecom/Electronics/Radio/Computer/Electrical/Information Technology/Instrumentation Engineering or M.Sc. (Electronics)/M.Sc.(Computer Science). Another main criterion is the candidates should have appeared in GATE exam 2017, opting any one of the paper from the following four disciplines i.e. CS or EC or EE or IN. For the syllabus of the four papers candidates can check GATE Syllabus. Syllabus for each discipline is given in the link.

BSNL Syllabus - Junior Engineer

BSNL JE Exam is based on Engineering Standards and the syllabus focus on telecommunications, electronics and electrical, Computer and IT, Radio, and Instrumentation. The detailed BSNL JE Exam is given below.

BSNL Syllabus - General Ability Test

The Score for this section is 20 marks and the No. of questions will be 20.
  • General English
  • Current Events
  • General Knowledge

BSNL Syllabus - Basic Engineering

Part II focus on Basic Engineering questions. The section holds a score of 90 marks with 90 questions.

Applied Mathematics

  • Co-ordinate Geometry: Vector Algebra
  • Matrix and Determinant
  • Differential Calculus, Integral Calculus
  • Differential equation of second order
  • Fourier series
  • Laplace Transform
  • Complex Number
  • Partial Differentiation

Applied Physics

  • Measurement-Units and Dimension
  • Waves
  • Acoustics
  • Ultrasonic
  • Light
  • Laser and its Application
  • Atomic Structure and Energy Levels

Basic Electricity

  • Electrostatics, Coulomb’s law, Electric field, Gauss’s theorem, concept of potential difference
  • Concept of capacitance and capacitors
  • Ohm’s law, power and energy, Kirchoff’s voltage, current laws and their applications in simple DC circuits
  • Basic Magnetism, Electro Magnetism
  • Electromagnetic Induction: Concept of alternating voltage & current
  • Cells and Batteries
  • Voltage and Current Sources: Thevenin’s theorem, Norton’s theorem and their applications

Electronics Devices and Circuits

  • Classification of materials into conductor, semi-conductor, insulator etc.
  • Electrical properties, magnetic materials
  • Various types of relays, switches and connectors
  • Conventional representation of electric and electronic circuits elements
  • Active and passive components
  • Semi-conductor Physics; Semiconductor Diode
  • Bipolar transistor & their circuits; Transistor Biasing Stabilization of operating point
  • Single stage transistor amplifier; field effect transistor, Mosfet circuits applications
  • Multistage Transistor Amplifier; Transistor Audio Power Amplifiers
  • Feedback In Amplifier: Sinusoidal Oscillators
  • Tuned Voltage Amplifiers
  • Opto Electronics Devices and their applications: Operational Amplifier
  • Wave shaping and switching circuits
  • Block diagram of I.C. Timer (such as 555) and its working
  • Motivation Circuits; Time Base Circuits
  • Thyristory and UJT: Regulated Power Supply

Digital Techniques

  • Applications and advantages of digital systems
  • number system (binary and hexadecimal)
  • Logic Gates
  • Logic Simplication
  • Codes and Parity
  • Arithmetic Circuits
  • Decoders
  • Display Devices and Associated Circuits
  • Multiplexers and De-multiplexers
  • Latches and Flip Flops
  • Counters
  • Shift Registers: Memories
  • A/D and D/A converters

BSNL Syllabus - Specialization

The section also holds a score of 90 marks with 90 questions and tests on the specialization.


Three phases vs., single-phase supply, Star Delta connections, relation between phase & line voltage power factor and their measurements; construction and principles of working of various types of electrical measuring instruments. All types of motor and generator-AC & DC transformers, starters, rectifiers, inverters, battery charges, batteries, servo and stepper motors, contactor control circuits, switchgear; relays, protection devices & schemes, substation, protective relaying, circuits breaker, generator protection, transformer protection, feeder & tightening protection, feeder & bus bar protection, lightening arrestor, earthing, voltage stabilizer & regulators, power control devices & circuits, phase con rolled rectifiers, inverters, choppers dual converters, cycloconverters, power electronics application in control of drivers, refrigeration & air-conditioning.


Modulation and demodulation – principles and operation of various types of AM, FM, and PM modulators/demodulators; Pulse modulation – TDM, PAM, PPM, PWM, Multiplexing, Principles and applications of PCM.
Introduction of Basic block diagram of digital and data communication systems, coding error detection and correction techniques; Digital Modulation Techniques – ASK, ICW, FSK, PSK; Characteristics/working of data transmission circuits; UART, USART; Modems; Protocols and their functions, brief idea of ISDN Interfaces, local areas Network; Carrier Telephony – Features of carrier telephone system.
Microwave Engineering: Microwave Devices, Wave-guides, Microwave Components, Microwave Antennas, Microwave Communication Systems - Block diagram and working principles of microwave communication link.

Network, Filters, and Transmission Lines

Two port network; Attenuators; Filters; Transmission Lines and their applications; Characteristic impedance of line; Concept of reflection and standing waves on a transmission line; Transmission line equation; Principles of impedance matching; Bandwidth consideration of a transmission line.

Instruments and Measurements

Specification of instruments – accuracy, precision, sensitivity, resolution range, Errors in measurements and loading effect; principles of voltage, current and resistance measurements; Transducers, measurement of displacement & strain, forces & torque measuring devices, pressure measuring devices, flow measuring devices, power control devices & circuits. Types of AC millivolt meters- Amplifier rectifier and rectifier amplifier; Block diagram explanation of a basic CRO and a triggered sweep oscilloscope, front panel controls; impedance Bridges and Q-Meters.
Principles of working and specifications of logic probes, signature analyzer and logic analyzer, signal generator, distortion factor meter, spectrum analyzer.

Control Systems

Basic elements of control system, open and closed loop system, Concept of feedback, Block diagram of control system, Time lag, hysteresis, linearity concepts, and Self-regulating and non-self-regulating control systems. Transfer function of simple control components, single feedback configuration.
Time response of systems: Stability Analysis Characteristics equation, Routh’s table, Nyquist criterion, Relative stability, phase margin and gain margin. Routh Hurwitz criterion, root locus techniques, Bode plot, Power plot, Gain margin and phase margin.


Typical organization of a microcomputer system & functions of its various blocks; Architecture of a Microprocessors; Memories and I/O Interfacing; Brief idea of M/C assembly languages, Machines & Mnemonic codes; Instruction format and Addressing mode; Concept of Instruction set; Programming exercises In assembly language; concept of Interrupt; Data transfer techniques – sync data transfer, Interrupt driven data transfer, OMA, serial output data, serial input data.


Computer and its working, types of computers, familiarization with DOS and Windows, concept of file, directory, folder, Number Systems; Data representation; Programming – Elements of a high level programming· language, PASCAL, C:Use of basic data structures; Fundamentals of computer architecture, Processor design, Control unit design; memory organization. I/o system organization. Microprocessors- microprocessor architecture, instruction set and simple assembly level programming. Microprocessors based system-design: typical examples. Personal computers and their typical uses, data communication principles, types and working principles of modems, Network principles, OSI model, functions of data link layer and network layer, networking communications protocolsa-X.25, TCP/IP.

Database Management System

Basic concepts, entity relationship model, relational model, DBMS based on relational model.

BSNL Exam Pattern - Junior Engineer (JE)

BSNL JE Exams follows the pattern of All India Online Competitive Exam followed by preparation of Circle-wise Final Merit list. Thus, candidates are required to specify the Circle is which they prefer to work. Candidates should secure minimum qualifying score in each section. Candidature is made final and final call letter/appointment letter is issued only after completion of all formalities.
The pattern of the Exam will be multiple choice objective type with three sections. Check the pattern in the table below.
Paper Subject No. of Questions Marks Duration
Part I General Ability Test 20 20 3 hours
Part II Basic Engineering 90 90
Part III Specialization 90 90
Total 200 200
There will be negative marking for each wrong answer i.e. 1/4th of the mark assigned to that question will be deducted.

BSNL Exam - JE - Educational Qualification

The candidates who are applying for the post of Junior Engineer (JE) should hold any one of the educational qualification specified below.
(i) Three years Engineering Diploma/B.Tech/B.E in any of the following disciplines, from a CentralGovt./State Govt. recognized Institution
  • Telecommunications
  • Electronic
  • Electrical
  • Radio
  • Computer
  • Instrumentation
  • Information Technology
(ii) B. Sc. (Electronics) / B. Sc. (Computer Science)
(iii) M. Sc. (Electronics)
From a recognized University.

BSNL Admit Card

BSNL releases Admit Card for the respective Exams conducted in External and Internal mode. From the exams mentioned above, JTO (T) will not have any written exam thus no admit card is released for this post. For candidates taking up Junior Engineer Exam, Admit card will be released in the external recruitment site of BSNL. Admit Card is mandatory to sit for the Online Exam.

Recruitment Process

BSNL is one of the largest telecom service provider and the only government based telecom industry. Recruitment for the services in BSNL is done in two major modes i.e. Internal and External. Internal mode of recruitment is for the employees already working with BSNL and internal exams are mainly for promotion to next level. External or Direct employment is the regular type of recruitment for New recruits. Separate site is maintained for each mode of recruitment and Official notifications are released in the respective sites.

BSNL - An Overview

Bharat Sanchar Nigam Limited is the only telecom Service provider of the Nation. It is an Indian state-owned telecommunications company headquartered in Delhi and started its operation in October 1, 2000. It took over the business from Central Government Departments of Telecom Services (DTS) and Telecom Operations (DTO) and provides telecom services and network management. BSNL focus to provide services in rural areas of the country and have reached even to the farthest places of the nation. In Mumbai and Delhi, telecom services are provided by MTNL.
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