BTSC Lab Assistant Recruitment 2026: Apply Online for 1,091 Posts in Bihar
If you hold a Diploma in Engineering or a Bachelor’s degree in Science and are looking for a government job in Bihar, this is a massive opportunity. Bihar Technical Service Commission (BTSC), Patna, has released 12 separate notifications (Advertisement No. 02/2026 to 13/2026) for the recruitment of 1,091 Lab Assistant (प्रयोगशाला सहायक) posts across government polytechnic colleges and women’s polytechnic institutions in Bihar. The starting salary is ₹35,400 per month under Pay Level 6.
The online application is open from 06 April 2026 to 06 May 2026 on the BTSC official website. The biggest branch is Computer Science & IT with 252 vacancies, followed by Mechanical, Civil, and Electrical Engineering with 166 each. Whether you’re a diploma holder or a B.Sc. graduate, read this complete guide on GovtJobsAlert.in to understand vacancy details, eligibility, salary, selection process, and how to apply.
Key Highlights — BTSC Lab Assistant Recruitment 2026
Bihar Technical Service Commission (BTSC) is the state recruitment body under the Science, Technology & Technical Education Department, Bihar Government, Patna. It conducts recruitment for technical and scientific posts in government institutions across Bihar. This recruitment covers Lab Assistant posts in government polytechnics and women’s polytechnic colleges across the state.
- Post Name: Lab Assistant (प्रयोगशाला सहायक)
- Total Vacancies: 1,091 posts across 12 branches
- Salary / Pay Scale: ₹35,400 per month (Pay Level 6)
- Job Location: Government Polytechnics across Bihar
- Last Date to Apply: 06 May 2026
How Many BTSC Lab Assistant Vacancies Are Available in 2026?
A total of 1,091 Lab Assistant posts are available across 12 different engineering and science branches. Each branch has a separate notification number.
| Branch | Vacancies |
|---|---|
| Computer Science & IT | 252 |
| Mechanical Engineering | 166 |
| Civil / Rural Engineering | 166 |
| Electrical Engineering | 166 |
| Science (Physics / Chemistry / Maths) | 164 |
| Electronics / ECE | 146 |
| Textile Engineering | 20 |
| Automobile / Mechanical Diesel | 04 |
| Chemical Engineering | 02 |
| Ceramics Engineering | 02 |
| Printing Engineering | 02 |
| Agriculture Machinery | 01 |
| Total | 1,091 |
Category-wise reservation applies as per Bihar government norms. 35% horizontal reservation is provided for women candidates who are permanent residents of Bihar. PwBD vacancies are also available in the larger branches.
What Is the Educational Eligibility for BTSC Lab Assistant 2026?
Educational Qualification
The qualification varies slightly depending on the branch, but the general requirement is:
- For Engineering Branches: 3-year Diploma in the relevant engineering branch from an AICTE-recognised institution (non-distance mode only), OR equivalent qualification from a recognised university or Deemed university
- For Science Branch: B.Sc. degree with Physics, Chemistry, and Mathematics from a recognised university (non-distance mode only)
- All qualifications must be obtained through regular (non-distance) mode only
- Degrees from Deemed/Deemed-to-be Universities are also accepted
Eligible engineering branches include: Computer Science, Mechanical, Civil, Electrical, Electronics, Textile, Automobile, Chemical, Ceramics, Printing, and Agriculture Machinery — each corresponding to the specific notification.
Age Limit
- Minimum Age: 18 years (21 years for Science branch)
- Maximum Age: 37 years (Unreserved)
- Age as on: 01 August 2026
| Category | Max Age |
|---|---|
| Unreserved (Male) | 37 years |
| Unreserved (Female) | 40 years |
| BC / EBC (Male / Female) | 40 years |
| SC / ST (Male / Female) | 42 years |
Age is calculated based on the date mentioned in the Matriculation certificate.
What Is the Monthly Salary for BTSC Lab Assistant 2026?
The pay structure for the Lab Assistant post is based on the Bihar state government pay structure.
- Pay Level: Level 6
- Entry Pay (Basic): ₹35,400 per month
- Dearness Allowance (DA): As per Bihar state government rates
- House Rent Allowance (HRA): Based on posting city classification
With DA and other allowances, the approximate gross monthly salary at the starting level is around ₹42,000 – ₹48,000 per month, depending on the posting location in Bihar.
Apart from the basic salary, employees enjoy benefits like medical facilities, earned leave, pension (NPS), travel allowance, and all other benefits available to permanent Bihar government employees. This is a permanent government job in state government polytechnic institutions.
What is the Selection Process for BTSC Lab Assistant 2026?
The selection is based on a Written Competitive Examination (Computer Based Test) followed by document verification. There is no interview or skill test for final selection — merit is based entirely on the written exam score.
Written Exam (CBT) — 100 Marks
- Total Questions: 100 MCQs
- Total Marks: 100
- Duration: 2 hours
- Medium: Hindi and English (bilingual)
- Exam Mode: Computer Based Test (CBT)
The exam has two parts:
- Part A — Technical / Branch-specific: 75 marks — Questions based on the diploma/degree curriculum of the relevant branch (Science, Polytechnic & Technical Education Department syllabus)
- Part B — General / Non-technical: 25 marks — Current Affairs, Bihar State & Central Government topics, Panchayat, Nagar Nikay, local administration, and general community service awareness
Important Exam Rules:
- Negative Marking: 0.25 marks deducted for each wrong answer
- Normalization will be applied if the exam is conducted in multiple shifts
- Minimum qualifying marks: as per Bihar government norms (40% for General, 36.5% for BC, 34% for SC/ST)
How to Apply Online for BTSC Lab Assistant 2026?
Before starting, keep your scanned photograph, Aadhaar card, educational certificates, and caste certificate (if applicable) ready. You can check the exam calendar for upcoming Bihar exam dates.
- Visit the BTSC official website at www.btsc.bihar.gov.in (direct link in Essential Links below).
- Click on the relevant Lab Assistant notification for your branch and click “Apply Online”.
- Register with your personal details, email ID, and mobile number to get your login credentials.
- Fill in your educational qualifications, age details, and category information carefully.
- Upload your photograph and Aadhaar-based photo ID as per the specified dimensions.
- Pay the application fee of ₹100 through online mode (Debit Card / Credit Card / Net Banking / UPI).
- Review all details on the preview screen and submit the application.
- Download and print the confirmation receipt for your records.
Note: You can apply for multiple branches by submitting separate applications with separate fee payments for each branch.
What Are the Important Dates for BTSC Lab Assistant 2026?
| Event | Date |
|---|---|
| Notification Released | April 2026 |
| Online Application Starts | 06 April 2026 |
| Last Date to Apply Online | 06 May 2026 |
| Age Calculated As On | 01 August 2026 |
| Exam Date (CBT) | To be announced |
What Is the Application Fee for BTSC Lab Assistant 2026?
| Category | Fee Amount |
|---|---|
| All Categories | ₹100 |
Payment can be made through Debit Card, Credit Card, Net Banking, or UPI in online mode only. The fee is non-refundable.
Essential Links — BTSC Lab Assistant Recruitment 2026
- Download Official Notification PDF
- Apply Online for BTSC Lab Assistant 2026
- Visit BTSC Official Website
- Join WhatsApp Channel for Government Jobs
- Join Telegram Channel for Government Jobs
- Join Telegram for Bihar Govt Jobs
With 1,091 vacancies across 12 branches and a fee of just ₹100, this is one of the biggest technical recruitment drives in Bihar this year. If you hold a Diploma in Engineering or a B.Sc. degree, don’t miss this chance — apply before 06 May 2026. The application window is limited, so complete your registration now. For more Bihar government job notifications and the latest updates, keep visiting GovtJobsAlert.in.