Overview: BTSC Laboratory Assistant Recruitment 2026
Bihar Technical Service Commission (BTSC) has released an official notification (Advertisement No. 12/2026) inviting online applications for the post of Laboratory Assistant (Science) under the Department of Science, Technology & Technical Education, Bihar. A total of 219 vacancies are available for eligible candidates holding a BSc degree in Physics, Chemistry, or Mathematics. Online applications are open from 06 April 2026 to 06 May 2026 at www.btsc.bihar.gov.in. This is a promising opportunity for state government jobs seekers in Bihar looking for a stable career in the government education sector.
Table of Contents
Key Highlights: BTSC Laboratory Assistant Recruitment 2026
| Feature | Details |
|---|---|
| Organization | Bihar Technical Service Commission (BTSC) |
| Post Name | Laboratory Assistant (Science) |
| Advertisement No. | 12/2026 |
| Total Vacancies | 219 |
| Pay Scale | Pay Level-6 (Entry Pay Rs. 35,400/-) |
| Job Location | Bihar |
| Application Mode | Online |
| Official Website | www.btsc.bihar.gov.in |
Why Apply: BTSC Laboratory Assistant Recruitment 2026
Stable Government Employment: Appointment is on a regular basis under the Department of Science, Technology & Technical Education, Government of Bihar — offering long-term job security.
Attractive Pay Scale: Selected candidates will be placed at Pay Level-6 with an entry pay of Rs. 35,400/- per month along with admissible allowances as per government norms.
Significant Number of Vacancies: With 219 posts across multiple reservation categories, there are ample opportunities for candidates from all backgrounds, including SC, ST, BC, EBC, and EWS.
Experience Weightage: Existing contractual employees serving in equivalent posts under the department can earn additional marks (up to 25) for satisfactory service, improving their selection chances.
Computer-Based Examination: The selection process is transparent, merit-based, and conducted via Computer Based Test, ensuring a fair evaluation for all applicants.
Important Dates: BTSC Laboratory Assistant Recruitment 2026
| Event | Date |
|---|---|
| Application Start Date | 06 April 2026 |
| Last Date to Apply Online | 06 May 2026 |
| Age Cut-off Date | 01 August 2026 |
| Experience Calculation Cut-off | 06 April 2026 |
| Document Issue Cut-off | 06 May 2026 |
Vacancy Details: BTSC Laboratory Assistant Recruitment 2026
Total Posts: 219
| Category | UR | SC | ST | BC | EBC | EWS | Total |
|---|---|---|---|---|---|---|---|
| Male | 65 | 16 | 27 (1 Backlog) | 02 | 30 (1 Backlog) | 19 | 164* |
| Female | 23 | 06 | 09 | 00 | 10 | 07 | 55* |
| Total | 88 | 22 | 36 | 02 | 40 | 26 | 219 |
Note: 35% horizontal reservation for Bihar domicile women is applicable within the above category-wise vacancies. Disability-wise reservation is also available (VH-02, HH-02, OH-02, MH-01) with 3 posts for descendants of Bihar Freedom Fighters.
Disability Category Definitions:
- VH: Blind and Low Vision
- HH: Deaf and Hard of Hearing
- OH: Locomotor Disability (Cerebral Palsy, Leprosy Cured, Dwarfism, Acid Attack Victims, Muscular Dystrophy)
- MH: Mental Retardation, Mental Illness, Specific Learning Disability and Multiple Disabilities
Eligibility: BTSC Laboratory Assistant Recruitment 2026
Essential Qualification:
Candidates must hold a Bachelor of Science (B.Sc.) degree in Physics, Chemistry, or Mathematics from a university established or incorporated under the University Grants Commission Act, or a Deemed University, or a university granted status by the concerned state or central government.
Age & Relaxation: BTSC Laboratory Assistant Recruitment 2026
Age as on 01 August 2026:
| Category | Minimum Age | Maximum Age |
|---|---|---|
| Unreserved (UR) | 21 Years | 37 Years |
| Unreserved Female | 21 Years | 40 Years |
| BC / EBC (Male/Female) | 21 Years | 40 Years |
| SC / ST (Male/Female) | 21 Years | 42 Years |
Age Relaxation:
- Persons with Disabilities (PwD): Upper age relaxation of 10 years as per General Administration Department order dated 22.01.2021.
- Government Servants (Bihar Govt. Regular): Relaxation of 5 years in upper age limit for those who have completed 3 years of continuous service at a higher pay scale, as per GAD order dated 16.07.2007.
- Contractual Employees (Same Post): Age relaxation equivalent to the service period under contract on the same post, calculated as of 01.08.2026.
- Contractual employees can avail this relaxation only for the same post on which they are serving.
- Only one relaxation out of clauses 2(ii), (iii), (iv), and 2(v) shall be admissible, whichever is highest.
- Age will be calculated as per date of birth recorded in the Matriculation/equivalent certificate.
Pay Scale: BTSC Laboratory Assistant Recruitment 2026
| Post | Pay Level | Entry Pay |
|---|---|---|
| Laboratory Assistant (Science) | Level-6 | Rs. 35,400/- per month |
Additional allowances as admissible under Bihar Government rules will be payable.
Selection Process: BTSC Laboratory Assistant Recruitment 2026
Mode of Selection:
Selection will be made on the basis of a Written Competitive Examination (Computer Based Test) and experience weightage.
Exam Pattern:
| Component | Marks |
|---|---|
| Written Competitive Examination (CBT) | 75 Marks |
| Experience Weightage (Existing Contractual Employees) | 25 Marks |
| Total | 100 Marks |
Experience Weightage Details:
- 5 marks per year for satisfactory contractual service on the same post (maximum 25 marks)
- Service period of 6 months or more counts as 1 full year; less than 1 year but more than 6 months also counts as 1 year.
- Experience certificate must be issued by the Principal of Government Engineering Colleges or Government Polytechnic Institutions under the Department of Science, Technology & Technical Education, Bihar.
- Experience certificate must be in the prescribed format (Appendix-I as attached in the notification).
Exam Pattern Details:
| Feature | Details |
|---|---|
| Mode | Computer Based Test (CBT) |
| Total Questions | 100 |
| Total Marks | 100 |
| Duration | 2 Hours |
| Question Type | Multiple Choice (Objective) |
| Language | Hindi and English (Bilingual) |
| Negative Marking | Yes — 0.25 marks deducted per wrong answer |
| Normalization | Yes — applicable when exam held in multiple shifts |
Syllabus: Questions will be set based on the syllabus prescribed by the requisitioning department (Department of Science, Technology & Technical Education, Bihar). The detailed syllabus will be published separately on the BTSC official website.
Minimum Qualifying Marks:
| Category | Minimum Qualifying Marks |
|---|---|
| General / Unreserved | 40% |
| BC / EBC | 36.5% |
| EBC (Extremely Backward Class) | 34% |
| SC / ST / Women / PwD | 32% |
Note: Marks obtained in CBT will be reduced by a factor of 0.75 for normalization purposes. For example, if a candidate scores 50%, the effective score will be 50 × 0.75 = 37.5 marks.
Score Normalization: When the examination is conducted in more than one shift, normalization of scores will be applied and final results will be declared accordingly.
Document Verification: Candidates who qualify the written examination will be called for document verification as per merit list prepared category-wise.
Application Fee: BTSC Laboratory Assistant Recruitment 2026
| Category | Fee |
|---|---|
| All Categories | Rs. 100/- (One Hundred Rupees) |
Mode of Payment: Online only — Debit Card, Credit Card, Internet Banking, or UPI. Bank transaction charges are additional and will be automatically deducted. Fee once paid is non-refundable. Payment receipt should be saved.
How to Apply: BTSC Laboratory Assistant Recruitment 2026
Eligible candidates can apply online through the official BTSC website. Follow the steps below:
- Visit the official website: www.btsc.bihar.gov.in
- Click on the active recruitment link for “Laboratory Assistant (Science) — Advertisement No. 12/2026.”
- Register with a valid mobile number and email ID (keep these active till the selection process is complete).
- Fill in all personal, educational, and experience-related details carefully.
- Upload scanned copies of required documents in the prescribed format.
- Pay the application fee of Rs. 100/- through online mode.
- Submit the application and download/print the confirmation copy for future reference.
Documents Required for Upload:
- Matriculation certificate (for date of birth proof)
- B.Sc. marksheets (all years) and degree/provisional certificate in Physics, Chemistry, or Mathematics
- Caste certificate (SC/ST/BC/EBC/EWS as applicable)
- Creamy layer exemption certificate (for BC/EBC)
- Domicile/Residential certificate (Bihar)
- Disability certificate (if applicable — must be in Form VI under Rights of Persons with Disabilities Rules, 2017)
- Bihar Freedom Fighter descendant certificate (if applicable)
- Experience certificate in prescribed Appendix-I format (for contractual employees)
- Photo ID with Aadhaar number preferred
Photo Guidelines:
- Recent photograph (within 3 months)
- Full face visible, eyes open
- White background
- Without spectacles (if wearing, remove for photo)
- Keep at least 5 extra printed copies
Important Instructions: BTSC Laboratory Assistant Recruitment 2026
- Reservation benefits are available only to permanent residents (domicile) of Bihar. Out-of-state candidates claiming Bihar category reservation will not be eligible.
- Reservations for women (35% horizontal) are applicable only to Bihar domicile women.
- For SC/ST reservation, both caste certificate and domicile/residential certificate are mandatory.
- For BC/EBC, creamy layer exemption certificate and domicile certificate are required.
- For EWS, income and asset certificate along with domicile certificate is required.
- Disability reservation is applicable only to benchmark disabilities (40% or more disability). Candidates must claim disability in the online application form and upload the valid certificate.
- Freedom Fighter descendant reservation: Candidates must submit the certificate issued by the District Magistrate of their home district.
- Experience weightage will be given only to candidates who pass the written exam. Experience certificate must be from the Principal of government-run engineering colleges or polytechnic institutions under the department.
- All uploaded documents must be dated on or before 06.05.2026.
- Application once submitted cannot be modified or corrected. Fill all details carefully before final submission.
- Only online applications will be accepted. Offline, printed, or handwritten applications will be summarily rejected.
- Candidates must keep downloading all updates from www.btsc.bihar.gov.in. No separate communication via SMS/email/letter will be sent.
FAQ: BTSC Laboratory Assistant Recruitment 2026
Q1. How many vacancies are available in BTSC Laboratory Assistant (Science) Recruitment 2026? A. A total of 219 vacancies are available.
Q2. What is the educational qualification required? A. A B.Sc. degree in Physics, Chemistry, or Mathematics from a recognized university is required.
Q3. What is the last date to apply? A. The last date to apply online is 06 May 2026.
Q4. What is the salary for the Laboratory Assistant (Science) post? A. The entry pay is Rs. 35,400/- per month at Pay Level-6 plus other admissible allowances.
Q5. Is there any negative marking in the BTSC Lab Assistant exam? A. Yes. 0.25 marks will be deducted for each wrong answer.
Q6. Are contractual employees eligible for experience weightage? A. Yes. Existing contractual employees serving in the same post under the department can get up to 25 marks based on years of satisfactory service, provided they qualify the written examination.
Q7. What is the application fee? A. Rs. 100/- for all categories, payable through online mode only.
Q8. Where can I apply for this recruitment? A. Applications can be submitted online at www.btsc.bihar.gov.in.
Q9. Can out-of-state candidates apply? A. Yes, they can apply, but they will not be eligible for reservation benefits meant for Bihar domicile candidates.
Q10. Is there any provision for persons with disabilities? A. Yes. PwD candidates with 40% or more benchmark disability are eligible for horizontal reservation. Age relaxation of 10 years is also provided.
Important Links: BTSC Laboratory Assistant Recruitment 2026
| Description | Link |
|---|---|
| Official Notification | Download PDF |
| Apply Online | Click Here |
| Official Website | www.btsc.bihar.gov.in |
| Join WhatsApp Channel | Click Here |
| Join Telegram Channel | Click Here |