BTSC Junior Engineer Online Form 2025

📌 Educational Qualification (Full Details)

To apply for the BTSC Junior Engineer Recruitment 2025, candidates must meet the following academic requirements:

Post Name Required Qualification

Junior Engineer (Civil) Diploma in Civil Engineering from a recognized institute/university approved by AICTE/Government.

Junior Engineer (Mechanical) Diploma in Mechanical Engineering.

Junior Engineer (Electrical) Diploma in Electrical Engineering.

Additional Requirements:

Final-year diploma students are not eligible.

Candidates must possess a valid Diploma Certificate at the time of application.

Equivalent diploma qualifications recognized by the government will also be accepted.

🎯 Mode of Selection (Detailed Process)

Selection will be conducted through the following stages:

Stage Selection Criteria Description

1 Computer-Based Test (CBT) Objective type exam based on technical diploma subjects and general knowledge.

2 Merit List Generation Based on written exam marks only.

3 Document Verification Verification of educational, caste, and identity proof.

4 Medical Examination Mandatory fitness test as per government rules.

📝 How to Fill the BTSC JE Online Form 2025? (Step-By-Step Guide)

1. Visit the official website: btsc.bih.nic.in

2. Click on "Recruitment / Online Application"

3. Select "BTSC Junior Engineer Online Form 2025"

4. Register yourself using:

Name

Mobile Number

Email ID

5. Verify OTP and login.

6. Fill in:

Personal Details

Address

Category

Educational Qualification

7. Upload scanned documents:

Passport photo (JPEG, 100–200 KB)

Signature (20–50 KB)

Diploma Certificate

Caste/EWS/PH Certificate (if applicable)

8. Pay the application fee online.

9. Preview the form before submitting.

10. Click "Final Submit" and download the confirmation page.

Instructions / Managing Exam Details

A. Exam Pattern & Duration

Mode of exam: Computer Based Test (CBT) (online). 

Total Marks: 100. 

Duration: 2 hours (120 minutes). 

Sections:

General Studies (approx. 20 questions/20 marks) 

Technical discipline (Civil/Mechanical/Electrical) ~80 questions/80 marks. 

Language: Bilingual (Hindi & English) — typically both options available. 

Marking scheme: +1 mark for each correct answer; negative marking of -0.25 for wrong answers (as per one source) 

B. Exam Day Instructions

Reach the exam centre well ahead of time (typically at least 30 minutes before reporting time).

Carry your admit card/hall ticket, valid photo ID (e.g., Aadhaar, Voter ID, Driving Licence, Passport) as per instructions.

Do not carry prohibited items: phones, calculators, smart watches etc (as per exam rules).

Follow instructions of invigilator/centre staff strictly.

Use the allotted CBT workstation; check details (your name, roll number, discipline) on screen before starting.

Attempt the questions carefully; manage time – approx. 1.2 minutes per question (120 minutes /100 questions).

Do not leave your seat without permission.

After completion, you may be required to sign the attendance sheet and return the admit card if requested.

Keep calm; ensure you submit the test before time expires; take screenshot/print of submission confirmation if possible.

C. Post-Exam / Result & Merit

After the exam, the BTSC will publish answer keys (if applicable) and then result/scorecard.

Shortlisted candidates will be called for document verification / next selection stage as per notification.

Ultimately, merit list will be prepared based on performance and category norms.

Appointments will be issued to selected candidates.

Complete Exam Syllabus – Subject Wise

Here is a detailed breakdown of the syllabus for JE (Civil / Mechanical / Electrical) under BTSC JE 2025, along with General Studies.
Note: This is based on public notifications/articles; always check official PDF.

5.1 General Studies

Current Affairs (National & International) 

Indian History, Indian Geography 

Indian Polity & Constitution 

Science and Technology (General) 

Static General Knowledge (GK) 

Sports, Economic Scene of India 

Basic Computer Knowledge (if mentioned)

Environmental Awareness (if included)

5.2 Civil Engineering Syllabus

Building Materials: Physical/chemical properties, classification, standard tests, use and manufacture/quarrying. 

Estimating, Costing & Valuation: Analysis of rates, items of work (earthwork, brick work, RCC work, shuttering, flooring, painting), valuation methods. 

Surveying: Principles, chain surveying, prismatic compass, plane table surveying, leveling, contouring, tachometric survey. 

Soil Mechanics: Origin, phase diagram, void ratio, Atterberg’s limits, grain size distribution, compaction, bearing capacity. 

Hydraulics: Fluid properties, flow measurements, Bernoulli theorem, flow in pipes/open channels, pumps & turbines. 

Irrigation Engineering: Necessity, hydrology, crop water requirement, canals, weirs, flood control. 

Transportation Engineering: Highway engineering (pavement types, design), railway engineering (track etc), traffic engineering. 

Environmental Engineering: Water supply, sewage systems, solid waste, air, noise pollution. 

Theory of Structures: Elasticity constants, types of beams, moment of inertia, retaining walls, torsion. 

Concrete Technology: Properties, mix design, batching, curing, quality control. 

RCC Design: Design of beams, slabs, footings, columns, staircases using Limit State/Working Stress method. 

Steel Design: Construction of steel columns, beams, roof trusses, plate girders. 

5.3 Mechanical Engineering Syllabus

Engineering Mechanics: Laws of motion, force systems, friction, centroid, moment of inertia. 

Strength of Materials: Stress-strain, bending moment, shear force, torsion, columns. 

Thermodynamics: First & Second Laws, properties of pure substances, entropy, cycles (Otto, Diesel, Rankine). 

Fluid Mechanics & Heat Transfer: Fluid properties, pipe flow, turbines, modes of heat transfer, exchangers. 

Theory of Machines: Mechanisms, gears, flywheels, governors, vibrations. 

IC Engines & Power Plants: Working & performance of engines, boilers, turbines etc. 

Manufacturing Engineering: Casting, welding, machining, non-traditional machining, jig/fixtures. 

Industrial Engineering & Production: Work study, time study, plant layout, material handling. 

Machine Design: Design of shafts, couplings, springs, bearings, brakes & clutches. 

5.4 Electrical Engineering Syllabus

Basic Electrical Engineering: Ohm’s Law, AC/DC circuits, network theorems. 

Electrical Machines: Transformers, DC machines, induction & synchronous machines. 

Power Systems: Generation (thermal/hydro/nuclear/renewable), transmission/distribution, fault analysis, protection schemes. 

Electrical Circuits & Networks: Mesh & nodal analysis, resonance, transients, two-port networks. 

Measurements & Instrumentation: Measuring instruments, errors, measurement of power/energy, bridges, transducers. 

Control Systems: Open/closed loop, transfer functions, root locus, Bode plots, stability criteria. 

Power Electronics: Rectifiers, inverters, converters, SMPS, UPS. 

Utilisation of Electrical Energy: Drives, welding, heating, traction systems, illumination. 

Switchgear & Protection: Circuit breakers, relays, protection of generators/transformers/transmission lines. 

How to Download Admit Card (Hall Ticket)

When admit card is released, BTSC will publish a link under “Admit Card / Call Letter” on their website. 

Steps:

1. Visit BTSC website.

2. Click the “Admit Card” link for the relevant JE 2025 post.

3. Enter your registration/application number, date of birth, and any other required credentials.

4. Submit, the admit card will display.

5. Download the PDF and take a print-out.

6. Check all details on the admit card: Candidate’s name, roll number, exam centre/address, time of reporting, discipline, photograph, signature.

7. Carry the printed admit card along with a valid photo ID to the exam centre on exam day.

How to Download Result / Score Card

After the exam and evaluation, BTSC will publish result or score card on its website.

Steps:

1. Visit BTSC website → “Results / Score Card” section.

2. Click on the link for JE 2025 result.

3. Enter your credentials (application number/roll number and date of birth) as required.

4. View your result/scorecard: your marks, cut-offs, category rank etc.

5. Download the PDF/score card and save it. Print a copy for records.

Save the result file securely; you may need it during document verification/appointment.

FAQ – Frequently Asked Questions

Here are 20+ frequently asked questions (with answers) about BTSC JE 2025.

1. Q: What is the minimum qualification required for BTSC JE 2025?
A: A Diploma in the respective trade (Civil/Mechanical/Electrical) from an AICTE-recognised institute/state technical board/university (non-distance mode as per notification).

2. Q: What is the age limit for applying?
A: Minimum age typically 18 years. Maximum age around 37 years for UR males; relaxed age limits apply for UR females, BC/EBC, SC/ST as per rules (e.g., up to 40/42 years)   

3. Q: How many vacancies are there for JE 2025?
A: About 2,747 posts (Civil ~2,591; Mechanical ~70; Electrical ~86) in the latest advertisement. 

4. Q: What is the application fee?
A: Rs. 100/- for all candidates (as per one source) – verify latest notification for any changes. 

5. Q: What is the mode of the exam?
A: Online Computer Based Test (CBT) with objective type (MCQ) questions. 

6. Q: How many questions will be asked and what is the duration?
A: Total 100 questions for 100 marks. Duration: 2 hours (120 minutes). 

7. Q: Is there negative marking?
A: Yes, according to some sources a penalty of 0.25 marks for each wrong answer. 

8. Q: What are the main sections of the exam?
A: Section 1: General Studies (~20 questions/20 marks). Section 2: Technical discipline (Civil/Mechanical/Electrical) (~80 questions/80 marks). 

9. Q: Can I choose my discipline (Civil/Mechanical/Electrical)?
A: Yes, you must apply for the specific discipline for which you are eligible (based on your diploma trade).

10. Q: Where can I find the syllabus PDF?
A: On the BTSC official website under “Syllabus” or “Recruitment” section, and also via credible exam-prep websites. 

11. Q: How will the merit list be prepared?
A: Based on the CBT score, category/ reservation norms and weightage (if any) as per official norms. Some sources mention 75% weightage for second stage. 

12. Q: What documents should I keep ready for DV (Document Verification)?
A: Diploma certificate/marksheet, matriculation (for age proof), category certificate (if BC/EBC/SC/ST/EWS), domicile/residence certificate, photo ID, passport-size photographs, admit card etc.

13. Q: How can I download the admit card?
A: Via BTSC website → “Admit Card/Call Letter” link → enter application/registration number & DOB → download and print.

14. Q: Will the exam centre be outside Bihar?
A: Generally exam centres will be in Bihar; the official notification will mention available centres/locations.

15. Q: Is distance-mode diploma eligible?
A: Usually the diploma must be “non-distance mode” from a recognised institute/university as per notification. Always check your specific discipline requirement.

16. Q: When will the result be declared?
A: The date will be notified on the BTSC website post-exam. Check result section regularly.

17. Q: What is the pay scale for JE post?
A: Grade Pay 4600/- (as per latest advertisement). 

18. Q: My category (BC/EBC) certificate is older. Will it be accepted?
A: It must meet the validity criteria as per state government norms; ensure it is valid and signed by competent authority.

19. Q: Can I change my exam centre or discipline after form submission?
A: Generally not. Once the form is submitted and fee is paid, changes are not permitted unless specified by BTSC in corrigendum.

20. Q: What to do if I don’t receive admit card?
A: Immediately contact the BTSC helpline (or helpdesk) and keep your application details ready. Admit cards are only released via official site; no hard copy sent by post usually.

21. Q: How many attempts are allowed for this exam?
A: There is no specific “number of attempts” limit mentioned in public data; subject to age limit and eligibility rules.

22. Q: Will there be any interview or skill test?
A: The public sources say selection is based on CBT and document verification; no separate interview mentioned for JE in the visible notification. 

23. Q: Are previous years’ question papers available?
A: Yes, many exam-prep websites provide previous years’ papers and mock tests; checking the BTSC website for any sample/old papers is advisable.

24. Q: Can out-of‐state candidates apply?
A: Yes, if they satisfy eligibility norms and domicile/residency requirements (if specified). Check the official notification for domicile clause.