BTSC Bihar Laboratory Assistant Recruitment 2026: Apply Online for 1,091 Vacancies – Notification, Eligibility, Syllabus & Selection Process

The Bihar Technical Service Commission (BTSC) has officially released a massive recruitment notification for the post of Laboratory Assistant for the year 2026. Under Advertisement Nos. 02/2026 to 13/2026, the commission is set to fill 1,091 vacancies across various engineering and science disciplines. This recruitment drive is a significant move by the Bihar government to strengthen the technical education sector, specifically targeting Government Polytechnic and Engineering colleges across the state.

As of April 6, 2026, the online application window is LIVE. Candidates with a Diploma or Degree in relevant technical fields are encouraged to apply before the deadline of May 6, 2026. Below is the complete roadmap to help you navigate the application process and prepare for the competitive selection cycle.

BTSC Bihar Lab Assistant 2026: Important Dates

The BTSC has provided a clear one-month window for candidates to register and submit their applications. Mark these dates in your calendar:

Event	Important Dates
Official Notification Release	April 3, 2026
Online Application Start Date	April 6, 2026
Last Date to Apply Online	May 6, 2026
Last Date for Fee Payment	May 6, 2026
BTSC Lab Assistant Exam Date	Expected July – August 2026
Admit Card Release	10 Days Before Exam

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BTSC Lab Assistant Vacancy 2026 (Trade-Wise)

The 1,091 posts are distributed across 12 different technical and science disciplines. This ensures opportunities for students from almost every engineering branch.

S. No.	Discipline / Trade	Vacancies
1	Computer Science & Information Technology	252
2	Electrical Engineering	166
3	Civil / Rural Engineering	166
4	Mechanical Engineering	166
5	Science (Physics/Chemistry/Bio)	164
6	Electronics / ECE Engineering	146
7	Textile Engineering	20
8	Automobile Engineering / Mechanical Diesel	04
9	Chemical Engineering	02
10	Ceramics Engineering	02
11	Printing Engineering	02
12	Agriculture & Machinery	01
Total		1,091

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Eligibility Criteria: Education & Age Limit

To be eligible for the BTSC Laboratory Assistant position, candidates must meet the following technical and age requirements as of August 1, 2026.

1. Educational Qualification

• Technical Trades: Candidates must possess a Diploma in Engineering or a B.E./B.Tech Degree in the relevant discipline (e.g., Mechanical, Civil, Electrical, etc.) from a recognized university or AICTE-approved institution.
• Science Discipline: Candidates must have completed Intermediate (10+2) with Science from a recognized board. Some specific posts may require a B.Sc. Degree in the relevant subject.

2. Age Limit (As of 01-08-2026)

The age relaxation is provided as per the Bihar Government reservation norms:

• General (Male): 18 – 37 Years
• General (Female) / OBC / EBC: 18 – 40 Years
• SC / ST (Male & Female): 18 – 42 Years

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Selection Process: Merit-Based Criteria

The selection for BTSC Lab Assistant Recruitment 2026 is rigorous and involves a multi-stage evaluation:

1. Written Examination (CBT): A Computer Based Test consisting of 100 Multiple Choice Questions (MCQs). The paper is split into:
   • Technical Part (75%): Questions related to the specific engineering/science trade.
   • Non-Technical Part (25%): General Studies, Reasoning, and Current Affairs.
2. Weightage for Higher Education/Experience: Candidates with higher degrees (B.Tech/M.Tech) or relevant work experience in government institutions may receive additional marks (up to 25% weightage).
3. Document Verification (DV): Verification of educational certificates, domicile, and caste certificates.
4. Medical Examination: A basic fitness check as per state government norms.

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BTSC Lab Assistant Salary: Pay Level 4

Selected candidates will be appointed as permanent government employees under the Bihar Technical Service Commission.

• Pay Scale: Level-4 ($7^{th}$ CPC Pay Matrix).
• Basic Pay: ₹25,500 – ₹81,100.
• Gross Salary: Approximately ₹38,000 to ₹42,000 per month (including DA, HRA, and Medical Allowances).
• Benefits: Pension benefits, career growth to Senior Laboratory Assistant, and stability of a government job.

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How to Apply Online for BTSC Lab Assistant 2026

1. Visit Portal: Go to the official website btsc.bihar.gov.in.
2. Registration: Click on “Apply Online” for Laboratory Assistant. Register using your mobile number and email ID.
3. Fill Application: Fill in your personal details, permanent address, and educational qualifications (10th, 12th, and Diploma/Degree).
4. Upload Documents: Upload scanned copies of:
   • Passport-size photograph (Light background).
   • Signature (Black/Blue ink).
   • Domicile and Caste Certificates (if claiming reservation).
5. Fee Payment: Pay the application fee online (General/OBC: ₹600, SC/ST/Female: ₹150).
6. Final Submit: Preview the form and click on “Submit.” Print the final application for future reference.

Important Links for BTSC 2026

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Resource	Link
Official Apply Online Link	BTSC Application Portal
Trade-Wise Syllabus (All 12 Trades)	Download Syllabus
Official BTSC Website	btsc.bihar.gov.in

Frequently Asked Questions (FAQs)

Q1: Can candidates from states other than Bihar apply?

A: Yes, candidates from all Indian states can apply. However, they will be treated as “General Category” and will not be eligible for reservation benefits available to Bihar residents.

Q2: Is there any negative marking in the BTSC Lab Assistant Exam?

A: Yes, generally there is a negative marking of 0.25 (1/4th) marks for every wrong answer in the CBT. Candidates should verify this from the detailed trade-wise notification.

Q3: What is the last date to apply for BTSC Lab Assistant?

A: The last date to submit the online form and pay the application fee is May 6, 2026.

Q4: Can a final year student apply?

A: No. Candidates must have their final Diploma or Degree certificates/marksheets in hand on or before the closing date of the application (May 6, 2026).

Q5: Is experience mandatory for this post?

A: No, experience is not mandatory. However, candidates with prior experience in relevant government labs will get additional weightage points in the final merit list.