The Bihar Technical Service Commission (BTSC) has officially released the notification for the BTSC Laboratory Assistant Recruitment 2026 under Advertisement No. 13/2026, inviting online applications for 1,091 Laboratory Assistant posts across 12 engineering and science disciplines in Bihar’s polytechnic institutions. Notably, the application window opened on 06 April 2026 and closes on 06 May 2026. Candidates holding a 3-year Diploma in the relevant engineering branch from an AICTE-recognised institution or a Bachelor’s Degree in Physics, Chemistry, or Mathematics (for Science posts) are eligible to apply.
Job Overview
| Field | Details |
|---|---|
| Recruiting Authority | Bihar Technical Service Commission (BTSC) |
| Advertisement Number | Advt. No. 13/2026 (covering Advt. 02–13/2026) |
| Post Name | Laboratory Assistant |
| Total Vacancies | 1,091 |
| Job Location | Bihar |
| Salary / Pay Level | As per 7th CPC norms — refer to official notification for pay details |
Vacancy Breakdown
| Advt. No. | Branch | Posts |
|---|---|---|
| 02/2026 | Automobile Engg. / Mechanic Diesel | 04 |
| 03/2026 | Textile Engineering | 20 |
| 04/2026 | Electrical Engineering | 166 |
| 05/2026 | Electronics Engg. / Electronics & Communication | 146 |
| 06/2026 | Chemical Engineering | 02 |
| 07/2026 | Printing Engineering | 02 |
| 08/2026 | Ceramics Engineering | 02 |
| 09/2026 | Computer Science & Engineering / IT | 252 |
| 10/2026 | Civil Engineering / Rural Engineering | 166 |
| 11/2026 | Mechanical Engineering | 166 |
| 12/2026 | Science (Physics / Chemistry / Maths) | 164 |
| 13/2026 | Agriculture Machinery | 01 |
| Total | — | 1,091 |
Eligibility Criteria
Age Limit
The minimum age required is 18 years; the maximum age is 37 years for UR Male, 40 years for UR Female and BC / EBC Male & Female, and 42 years for SC / ST Male & Female candidates, as on 01 August 2026. Furthermore, BTSC provides additional age relaxation as per applicable Bihar Government regulations.
Educational Qualification
Specifically, candidates for all engineering branch posts (Advt. No. 02–11 and 13/2026) must hold a 3-year Diploma in the relevant engineering branch from an AICTE-recognised institution completed in regular (non-distance) mode, or from a UGC-recognised university / deemed university through a regular course. Additionally, candidates for the Laboratory Assistant (Science) post (Advt. No. 12/2026) must hold a Bachelor’s Degree in Physics, Chemistry, or Mathematics from a UGC-established or deemed university. Consequently, distance-mode diplomas are explicitly not accepted for any post under this recruitment.
Nationality
Candidates must be Indian citizens as per the standard eligibility conditions prescribed by BTSC for all Laboratory Assistant recruitment posts under Advt. No. 13/2026.
Important Dates
| Event | Date |
|---|---|
| Application Start Date | 06 April 2026 |
| Last Date to Apply Online | 06 May 2026 |
| Fee Payment Last Date | 06 May 2026 |
| Exam Date | To be notified soon |
| Admit Card | Before the examination date |
| Result Date | To be updated |
Application Fee
| Category | Fee |
|---|---|
| All Candidates | ₹ 100/- |
Accepted Payment Modes: Debit Card, Credit Card, Internet Banking, IMPS, Cash Card / Mobile Wallet.
Exam Pattern
The BTSC Laboratory Assistant Recruitment 2026 follows a three-stage selection process. Specifically, candidates will appear in a Written Examination covering subject-specific technical knowledge relevant to their applied engineering or science branch, followed by Document Verification and a Medical Examination before final appointment. Consequently, candidates must prepare thoroughly on core diploma-level concepts in their respective discipline. Additionally, the detailed written exam pattern, syllabus, and subject-wise marking scheme will be published by BTSC through the official notification; candidates should monitor the official website regularly for updates.
How to Apply Online
- Visit the official BTSC website at Click Here on or after 06 April 2026.
- Locate and click the “Apply Online” link for the relevant BTSC Laboratory Assistant Recruitment 2026 advertisement number.
- Register using a valid email address and mobile number to generate your login credentials.
- Fill in the online application form with all required personal, educational, and branch-specific details.
- Upload your recent passport-size photograph and signature in the prescribed format and dimensions.
- Pay the application fee of ₹ 100/- through any of the accepted online payment modes before 06 May 2026.
- Submit the form and download or print the confirmation receipt for future reference.
Important Links
| Resource | Link |
|---|---|
| Apply Online | Click Here |
| Short Notice | Click Here |
| Official Notification | Click Here |
| BTSC Official Website | Click Here |
Frequently Asked Questions (FAQs)
Q1. When does the BTSC Laboratory Assistant Recruitment 2026 application open and close?
A. Applications opened on 06 April 2026 and the last date is 06 May 2026.
Q2. What is the application fee for BTSC Laboratory Assistant 2026?
A. The fee is ₹ 100/- for all categories without exception.
Q3. Are distance-mode diploma holders eligible for this recruitment?
A. No — only regular (non-distance) mode diploma holders from AICTE or UGC-recognised institutions are eligible.
Q4. Which branch has the highest number of vacancies?
A. Computer Science & Engineering / IT has the highest vacancies with 252 posts under Advt. No. 09/2026.
Q5. What is the official website for BTSC?
A. The official website is btsc.bihar.gov.in.