BSNL TTA Exam Guide 2026
BSNL TTA 2026 notification updates and complete exam guide. Check exam dates, vacancies, eligibility criteria, selection process, syllabus, and application details.
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📊 BSNL TTA Recruitment Overview
| Name of Organization | Bharat Sanchar Nigam Limited |
|---|---|
| Official Website | BSNL |
| Posts | Junior Engineer (JE) |
| No. of Vacancies | 2700+ (Expected) |
| Application Start Date | To Be Announced |
| Application End Date | To Be Announced |
| Exam Date | To Be Announced |
| Admit Card Release Date | To Be Announced |
| Mode of Exam | Online |
| Selection Process | Online Examination Document Verification |
| Job Location | All over India |
📊 Exam Centre
| S.No | Name of State | OC | OBC | SC | ST | PWD | Total |
|---|---|---|---|---|---|---|---|
| 1. | Andaman and Nicobar | 9 | 3 | 0 | 0 | 1 | 12 |
| 2. | Andhra Pradesh | 38 | 21 | 12 | 5 | 2 | 76 |
| 3. | Assam | 64 | 31 | 8 | 13 | 3 | 116 |
| 4. | Bihar | 20 | 9 | 5 | 0 | 2 | 34 |
| 5. | Chennai Telephones | 49 | 20 | 11 | 0 | 3 | 80 |
| 6. | Chattisgarh | 9 | 1 | 2 | 5 | 1 | 17 |
| 7. | Gujrat | 105 | 56 | 14 | 31 | 6 | 206 |
| 8. | Haryana | 87 | 43 | 30 | 0 | 5 | 160 |
| 9. | Himachal Pradesh | 39 | 90 | 10 | 5 | 3 | 73 |
| 10. | Jammu and Kashmir | 48 | 15 | 7 | 9 | 2 | 79 |
| 11. | Jharkhand | 11 | 2 | 2 | 4 | 1 | 19 |
| 12. | Karnataka | 61 | 32 | 19 | 8 | 4 | 120 |
| 13. | Kerala | 50 | 36 | 13 | 1 | 3 | 100 |
| 14. | Kolkata Telephones | 66 | 0 | 10 | 4 | 5 | 80 |
| 15. | Madhya Pradesh | 39 | 12 | 12 | 15 | 3 | 78 |
| 16. | Maharashtra | 113 | 60 | 34 | 17 | 7 | 224 |
| 17. | North East-I | 79 | 2 | 13 | 38 | 7 | 132 |
| 18. | North East -II | 18 | 9 | 5 | 2 | 1 | 34 |
| 19. | NTR | 9 | 4 | 0 | 2 | 1 | 15 |
| 20. | Odisha | 23 | 5 | 6 | 9 | 2 | 43 |
| 21. | Punjab | 200 | 84 | 116 | 0 | 12 | 400 |
| 22. | Rajasthan | 56 | 20 | 14 | 10 | 5 | 100 |
| 23. | Tamil Nadu | 105 | 53 | 38 | 2 | 6 | 198 |
| 24. | Uttar Pradesh (East) | 43 | 21 | 16 | 0 | 2 | 80 |
| 25. | Uttar Pradesh (West) | 40 | 22 | 17 | 1 | 2 | 80 |
| 26. | Uttranchal | 21 | 3 | 5 | 0 | 2 | 295 |
| 27. | West Bengal | 58 | 25 | 26 | 6 | 4 | 115 |
| TOTAL | 1460 | 608 | 445 | 187 | 95 | 2700 |
📊 Application Fee
- Category
- Relaxation
- Ex-Servicemen
- As per Central Govt Rules
- J&K Residents
- Relaxation shall be per DOP&T's Notification No. 15012/7/1991-Estt. (D) dated 07/12/2007 pertaining to "Residents of State of Jammu & Kashmir (Relaxation of Upper Age Limit for Recruitment to Central Civil Services & Posts) Rules 1997"
- OBC candidate
- 3 years
- BSNL Employees
- 5 years
- SC/ST candidate
- 5 years
- OC-PWD Candidate
- 10 years
- OBC-PWD Candidate
- 13 years
- SC/ST-PWD Candidate
- 15 years
📊 Important Dates & Schedule
- Applied Physics
- Measurement-Units and Dimension: Waves , Acoustics, Ultrasonic, Light; Laser and its Application, Atomic Structure and Energy Levels.
- Name of Subject
- Topics Included
- 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; Electromagnetism ; Electromagnetic Induction ; Concept of alternating voltage & current; Cells and Batteries; Voltage and Current Sources: Thevenin's theorem, Norton's theorem and their applications.
- Digital Techniques
- Applications and advantages of digital systems; number system (binary and hexadecimal): Logic Gates: Logic Simplification: Codes and Panty: Arithmetic Circuits: Decoders, Display Devices and Associated Circuits; Multiplexers and Demultiplexers: Latches and Flip Flops: Counters; Shift Registers; Memories; A/D and D/A converters,
- Applied Mathematics
- Coordinate Geometry; Vector Algebra ; Matrix and Determinant ; Differential Calculus ; Integral Calculus : Differential equation of second-order: Fourier series: Laplace Transform; Complex Number , Partial Differentiation.
- Electronic Devices and Circuits
- Classification of materials into conductor, semiconductor, insulator etc, electrical properties, magnetic materials, various types of relays, switches and connectors, Conventional representation of electrical and electronic circuits elements. Active and passive components; semiconductor 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. Waveshaping and switching Circuits. Block diagram of I.C Timer (such as 555) and its working; Motivation Circuits: Time Base Circuits, Thyristor and UJT. Regulated Power Supply.
📊 Important Dates & Schedule
- Computer
- 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 moderns, Network principles,
- Electrical
- 3 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. lightning arrestor, earthing, voltage stabilizer & regulators, power control devices & circuits, phase controlled rectifiers, inverters, choppers, dual converters, cyclo converters: power electronics application in control of drivers, refrigeration & air-conditioning.
- Communication
- 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 & working principles of microwave communication link.
- Control System
- Basic elements of control system, open and closed-loop system, concept of feedback. Block diagram of control system. Time lag, hysteresis, linearity concepts. 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
- Microprocessors
- 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. DMA, serial output data, serial input data.
- Name of Subject
- Topics Included
- 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 milli voltmeters- 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,
- Network, Filters and Transmission Lines
- Two port network; Attenuators, Fillers, 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.
📊 Exam Pattern & Marking Scheme
| Paper | Subjects | Number of Questions | Marks |
|---|---|---|---|
| Part-I | General Ability Test | 20 | 20 |
| Part-II | Basic Engineering | 90 | 90 |
| Part-III | Specialization | 90 | 90 |
| Total | 200 | 200 |
📊 Exam Pattern & Marking Scheme
| Category | Cut off Marks (Low) | Cut off Marks (High) |
|---|---|---|
| General | 110-130/200 | 140-150/200 |
| OBC | 110-130/200 | 140-150/200 |
| SC | 100-120/200 | 130-140/200 |
| ST | 90-110/200 | 130-140/200 |
📊 Recommended Books & Authors
| Name of the Book | Author/Publication |
|---|---|
| Basic Electrical Engineering | Arvind Mittal |
| Handbook of Physics | Arihant Publications |
| Handbook of Mathematics | Arihant Publications |
| High School Grammar and English Composition | Wren and Martin |
| Gateway to BSNL TTA | Upkar Prakashan |
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📌 Our Topics Covered
- BSNL TTA Eligibility Criteria & Age Limit 2026
- BSNL TTA Exam Pattern & Selection Process
- BSNL TTA Educational Qualification & Attempts
- BSNL TTA Salary Structure & Pay Scale
- BSNL TTA Syllabus & Preparation Guide
❓ Frequently Asked Questions
Q1.How are candidates recruited for BSNL TTA Exam?
Candidates are recruited on the basis of an online computer-based exam and document verification process
Q2.What is the age limit to apply for BSNL TTA?
Candidates need to be a minimum of 18 years and a maximum of 30 years. However, reservations are provided for certain categories.
Q3.What salary can one expect from BSNL TTA recruitment?
If selected, candidates can expect a pay of Rs 13,600-Rs 25,420
Q4.Are citizens of Bhutan eligible for the recruitment process?
No, only Indian nationals are eligible to apply.
Q5.What is the exam pattern of the BSNL TTA examination?
The paper would be an online computer-based exam of 200 marks. It would have three parts consisting of General Ability Questions, Basic Engineering Questions and Specialization Questions.
Q6.When will the answer key be available for download?
BSNL generally releases the answer key after 10-15 days of the examination.
Q7.What is the best book for the preparation of a Basic Engineering subject?
Candidates can consider referring to Basic Electrical Engineering by Arvind Mittal.
Q8.Should I try attempting mocks for BSNL TTA Preparation?
Yes, not only should you study the test syllabus, but you should also take many mock exams, solve the previous year's BSNL TTA exam question paper, and practice sample or model test papers. There are also plenty of benefits to incorporating this into your daily practice. Not only will this boost your confidence, but it will also help you manage your time and speed during the exam. For this, you can refer to the CurrentAffairs360 App.
Q9.Where can I check my results for BSNL TTA?
Candidates should refer to the official website to check their results.
Q10.When will the results of BSNL TTA be released?
The date is yet to be announced by the BSNL corporation.
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