🚨 Update: The online application process is now officially closed.
BTSC Lab Assistant Vacancy 2026 has been officially released by the Bihar Technical Service Commission (BTSC) on 3 April 2026. A total of 1,091 vacancies have been announced for Laboratory Assistant posts across 12 disciplines including Computer Science & IT, Electrical Engineering, Civil Engineering, Electronics Engineering, Mechanical Engineering, and Science.
Online applications are open from 6 April to 6 May 2026 at btsc.bihar.gov.in. Selection will be based on a Computer-Based Test (CBT) + Work Experience/Higher Education weightage. The pay scale ranges from ₹25,500 to ₹81,100 per month (Pay Level 4, 7th CPC). Check complete details below.
As per the official notification (Bihar Sarkar – Bihar Takniki Seva Aayog, 19 Harding Road, Patna – 800001), vacancies are distributed across 12 disciplines:
Highest vacancies are for Computer Science & IT (252), followed by Electrical, Civil, and Mechanical Engineering (166 each).
BTSC Lab Assistant Important Dates 2026
Event
Date
Official Notification Released
03 April 2026
Online Application Start Date
06 April 2026
Last Date to Apply Online
06 May 2026
Last Date for Fee Payment
06 May 2026
BTSC Lab Assistant Exam Date 2026
To be announced on btsc.bihar.gov.in
Admit Card Release
To be announced
Result Declaration
To be announced
BTSC Lab Assistant Eligibility Criteria 2026
Age Limit
Category
Age Limit
Minimum Age
18 Years
Maximum Age (General/EWS)
37 Years
OBC / BC
Age relaxation as per Bihar Govt rules
SC / ST
Age relaxation as per Bihar Govt rules
Age is calculated as on the date specified in the official notification. Reserved category candidates will get age relaxation as per Bihar Government reservation rules.
Educational Qualification
Candidates must have one of the following:
Diploma in the relevant engineering/technical field from a recognized institution
B.Sc Degree with Physics, Chemistry, and Mathematics (for Science post)
Relevant discipline-specific qualification as mentioned in the detailed notification
Candidates must ensure their qualification matches the specific discipline they are applying for. Applying for the wrong discipline will lead to disqualification.
The BTSC Lab Assistant salary is governed by the 7th Pay Commission at Pay Level 4:
Pay Component
Details
Pay Level
Level 4 (7th CPC)
Basic Pay Range
₹25,500 – ₹81,100 per month
Dearness Allowance (DA)
As per Bihar Government rules
House Rent Allowance (HRA)
Based on posting city
Other Allowances
Medical, Travel, and other applicable allowances
The gross monthly salary including all allowances will be significantly higher than the basic pay. This is a permanent government post with pension and job security benefits.
BTSC Lab Assistant Selection Process 2026
The selection of candidates involves 3 stages:
Stage
Details
Weightage in Merit
Stage 1
Computer-Based Test (CBT)
75%
Stage 2
Work Experience / Higher Education
25%
Stage 3
Document Verification
Qualifying
The final merit list is prepared solely based on CBT performance + work experience/higher education weightage. There is no interview stage.
BTSC Lab Assistant Exam Pattern 2026
Computer-Based Test (CBT) Structure
Parameter
Details
Exam Mode
Online Computer-Based Test (CBT)
Total Questions
100
Question Type
Multiple Choice Questions (MCQ)
Total Marks
100
Sections
Non-Technical + Technical (Discipline-wise)
Negative Marking
Yes – 0.25 marks deducted per wrong answer
Exam Duration
To be notified in detailed notification
Medium
Hindi / English
Weightage in Final Merit
75%
H3: Work Experience / Higher Education Weightage
Component
Weightage in Final Merit
CBT Score
75%
Work Experience / Higher Qualification
25%
Candidates with relevant work experience or higher educational qualifications (above the minimum required) will score additional marks in the 25% weightage component.
BTSC Lab Assistant Syllabus 2026
Non-Technical Section (Common for All Disciplines)
General Knowledge & Current Affairs
General Hindi / General English
Reasoning & Mental Ability
Basic Mathematics / Numerical Ability
Computer Literacy Basics
H3: Technical Section (Discipline-Specific)
Each discipline will have technical questions relevant to its field:
Discipline
Key Technical Topics
Computer Science & IT
Programming, DBMS, Networks, OS, Web Technology, Software Engineering
Electrical Engineering
Circuit Theory, Electrical Machines, Power Systems, Measurements
Electronics & Communication
Electronic Devices, Digital Electronics, Signal Processing, Communication Systems
Civil Engineering
Structural Engineering, Fluid Mechanics, Surveying, Construction Materials
Mechanical Engineering
Thermodynamics, Strength of Materials, Machine Design, Manufacturing
Science (Physics/Chemistry/Math)
Class 12 + Diploma/BSc level Physics, Chemistry, Mathematics
Detailed subject-wise syllabus will be released with the official detailed notification on btsc.bihar.gov.in.
How to Apply Online for BTSC Lab Assistant 2026
Applications open on 6 April 2026. Follow these steps:
Visit the official website: btsc.bihar.gov.in
Click on “BTSC Laboratory Assistant Recruitment 2026” notification link.
Click “Apply Online” and register with your Email ID and Mobile Number.
Fill in personal details, educational qualifications, and discipline carefully.
Upload Passport-size Photograph, Signature, and required documents.
Pay the application fee online (fee details in official notification).
Review all details before final submission.
Submit and print/save the confirmation for future reference.
⚠️ Last date: 06 May 2026. Do not wait for the last day — server load may cause delays.
BTSC Lab Assistant Application Fee 2026
Category-wise application fee details will be published in the detailed notification. Candidates should check the official notification at btsc.bihar.gov.in for the exact fee structure. Generally, Bihar government recruitments follow:
u003cstrongu003eQ1. What is the total vacancy in BTSC Lab Assistant Recruitment 2026?u003c/strongu003e
A total of u003cstrongu003e1,091 vacanciesu003c/strongu003e have been announced across 12 disciplines.
u003cstrongu003eQ2. What is the last date to apply for BTSC Lab Assistant 2026?u003c/strongu003e
The last date to submit the online application is u003cstrongu003e06 May 2026u003c/strongu003e at btsc.bihar.gov.in.
u003cstrongu003eQ3. What is the BTSC Lab Assistant salary 2026?u003c/strongu003e
The salary is at u003cstrongu003ePay Level 4u003c/strongu003e under the 7th Pay Commission, ranging from u003cstrongu003e₹25,500 to ₹81,100 per monthu003c/strongu003e, plus allowances.
u003cstrongu003eQ4. What is the exam pattern for BTSC Lab Assistant 2026?u003c/strongu003e
The CBT has u003cstrongu003e100 MCQ questionsu003c/strongu003e with u003cstrongu003e0.25 negative markingu003c/strongu003e per wrong answer. CBT carries u003cstrongu003e75% weightageu003c/strongu003e in the final merit list, and work experience/higher education carries u003cstrongu003e25%u003c/strongu003e.
u003cstrongu003eQ5. Which discipline has the most vacancies in BTSC Lab Assistant 2026?u003c/strongu003e
u003cstrongu003eComputer Science Engineering u0026amp; Information Technologyu003c/strongu003e has the highest vacancies at u003cstrongu003e252 postsu003c/strongu003e.
u003cstrongu003eQ6. What is the age limit for BTSC Lab Assistant 2026?u003c/strongu003e
The age limit is u003cstrongu003e18 to 37 yearsu003c/strongu003e as on the cutoff date, with relaxation for reserved category candidates as per Bihar Government rules.
u003cstrongu003eQ7. Is there any interview in BTSC Lab Assistant selection?u003c/strongu003e
No. Selection is based on u003cstrongu003eCBT (75%) + Work Experience/Higher Education (25%) + Document Verificationu003c/strongu003e only. No interview is conducted.
u003cstrongu003eQ8. What qualification is required for BTSC Lab Assistant 2026?u003c/strongu003e
Candidates need a u003cstrongu003eDiploma in the relevant engineering fieldu003c/strongu003e OR a u003cstrongu003eB.Sc degree with Physics, Chemistry, and Mathematicsu003c/strongu003e (for Science discipline).
📲 Get BTSC Lab Assistant 2026 Alerts – Exam Date, Admit Card & Result! Be the first to know when the exam date, admit card, and result are released.
Disclaimer: This article is based on the official BTSC Laboratory Assistant notification released on 03 April 2026 at btsc.bihar.gov.in. Candidates are advised to read the complete official notification before applying. PunjabEducation.in is not responsible for any changes made by BTSC after publication.
