BTSC Laboratory Assistant Recruitment 2026 – Apply Online for 1091 Posts

Quick Highlights

Important Dates

Application Fee

Note: Application fee is non-refundable under any circumstances.

Vacancy Details – All 12 Disciplines

The BTSC Laboratory Assistant Vacancy 2026 covers 12 advertisement numbers for 12 different disciplines. Computer Science & IT has the highest vacancies at 252, followed by Civil, Mechanical, and Electrical Engineering at 166 each. The complete post-wise breakdown is:

Important: Category-wise vacancy breakdown (UR / EWS / OBC / EBC / SC / ST) will be released in the detailed notification PDFs. Candidates must check their respective discipline notification at btsc.bihar.gov.in.

Eligibility Criteria

Educational Qualification – Post Wise

Note: Exact qualification requirements must be verified from the individual notification PDF for your specific discipline. All qualifications must be from a recognized Board/Institute/University.

Age Limit (as on 01-08-2026)

Age relaxation is also available for Government employees, Ex-Servicemen, Freedom Fighter dependants, and Persons with Disabilities as per Bihar Government norms. Candidates must produce supporting certificates at the time of Document Verification.

Selection Process

The BTSC Laboratory Assistant 2026 selection is based on three stages. Candidates must qualify each stage to move forward:

Stage 1 – Computer Based Test (CBT)

• Mode: Online (Computer Based Test)
• Type: Objective – Multiple Choice Questions (MCQ)
• Total Questions: 100
• Subjects: Relevant Technical / Engineering / Science discipline + General Knowledge
• Negative Marking: 0.25 marks deducted for each wrong answer
• Weightage in Final Merit List: 75%
• Minimum qualifying marks as per BTSC category-wise rules

Stage 2 – Work Experience / Higher Qualification

• Marks awarded for relevant work experience or higher educational qualification above the minimum required
• Weightage in Final Merit List: 25%
• Marking scheme detailed in the respective official notification PDF

Stage 3 – Document Verification (DV)

• Candidates shortlisted based on the combined merit list (CBT 75% + Work Experience/Higher Qualification 25%) are called for DV
• All original certificates must be produced at the time of DV
• Appointment is subject to medical fitness and verification of all claims made in the application

Merit List

• Final merit list is prepared based on CBT marks (75%) + Work Experience / Higher Qualification (25%)
• A separate merit list will be prepared for each discipline / advertisement number

Examination Structure (Exam Pattern)

The BTSC Laboratory Assistant Syllabus and Exam Pattern for each discipline covers core engineering or science concepts relevant to the laboratory assistant role. Candidates should download the official Notification PDF for their respective discipline for the detailed syllabus.

Salary and Pay Scale

This is a permanent government job with full job security and career growth as per Bihar Government service rules.

Documents Required

• Matriculation (10th) Mark Sheet and Certificate – Age Proof
• Intermediate (10+2) with Science – Mark Sheet and Certificate
• Diploma / B.E. / B.Tech Degree Certificate in the relevant engineering discipline (for engineering posts)
• Permanent Residence / Domicile Certificate (Bihar)
• Caste Certificate (OBC / EBC / SC / ST) with current validity
• EWS Certificate (if applicable, issued by competent authority)
• Creamy Layer Certificate (for OBC/EBC candidates, as applicable)
• Freedom Fighter Grandchild Certificate (if applicable)
• Disability Certificate (if applicable)
• Ex-Serviceman / Government Servant Certificate (for age relaxation, if applicable)
• Recent Passport-size Photograph
• Scanned Signature (black ink on white paper)
• Aadhaar Card / Valid Government-issued Photo ID

How to Apply for BTSC Laboratory Assistant Recruitment 2026

Only online applications are accepted. Follow these steps to fill the BTSC Laboratory Assistant Online Form 2026:

1. Visit the official BTSC website btsc.bihar.gov.in on any internet browser.
2. On the homepage, click on the Apply Online link for BTSC Laboratory Assistant Recruitment 2026 (Advt. No. 02/2026 to 13/2026).
3. Complete new registration by entering your name, date of birth, email ID, and mobile number. A Registration Number and Password will be generated.
4. Login using the generated credentials and fill in your personal details, educational qualifications, and category information.
5. Upload your scanned photograph, signature, and all required documents in the prescribed format and size.
6. Pay the application fee of Rs. 100/- online using Credit Card, Debit Card, or Net Banking.
7. Review all filled-in details carefully in the preview and click the Submit button to finally submit the application form.
8. Download and take a printout of the final submitted application form and keep it safe for future reference including Document Verification.

Help Desk: For any technical issues during the application process, contact BTSC at 18003456221.

Rules and General Instructions

• Applications must be submitted only through the official BTSC website. No offline or postal applications are accepted.
• Candidates can apply for multiple discipline posts under different advertisement numbers if they meet the eligibility for each.
• All details entered must exactly match original documents. Any mismatch may result in disqualification during DV.
• Application fee of Rs. 100/- is non-refundable under any circumstances.
• Age is calculated as on 01-08-2026.
• Serving government employees must apply through proper channel with NOC from the employer.
• Canvassing in any form will lead to immediate disqualification.
• Mere submission of application does not guarantee selection. The decision of BTSC is final and binding.
• Any false information or suppression of facts will result in cancellation of candidature at any stage.
• The department reserves the right to cancel or modify the recruitment process at any stage without assigning any reason.
• Check btsc.bihar.gov.in regularly for Admit Card, Exam Date, Answer Key, Cut Off, Result, and Merit List updates.

Frequently Asked Questions (FAQs)

Q1. What is the total number of vacancies for BTSC Laboratory Assistant Recruitment 2026?

A total of 1091 vacancies have been announced under Advertisement Numbers 02/2026 to 13/2026, spread across 12 engineering and science disciplines including Computer Science & IT (252), Civil Engineering (166), Mechanical Engineering (166), Electrical Engineering (166), Science (164), Electronics (146), Textile Engineering (20), and others.

Q2. What are the application start and last dates for BTSC Laboratory Assistant 2026?

The online application started on 6 April 2026 and the last date to apply is 6 May 2026. The last date for fee payment is also 6 May 2026. Candidates must complete registration, form fill-up, document upload, and fee payment within this window.

Q3. What is the application fee for BTSC Laboratory Assistant Recruitment 2026?

The application fee is Rs. 100/- for all categories including General, OBC, EBC, SC, ST, and EWS. Payment must be made online via Credit Card, Debit Card, or Net Banking only. The fee is non-refundable under any circumstance.

Q4. What is the age limit for BTSC Laboratory Assistant 2026?

Age is calculated as on 01-08-2026. General/EWS Male: 18 to 37 years. General Female: 18 to 40 years. OBC/EBC (Male and Female): 18 to 40 years. SC/ST (Male and Female): 18 to 42 years. Age relaxation applies as per Bihar Government rules.

Q5. What is the educational qualification required for BTSC Laboratory Assistant 2026?

For Science posts: Intermediate (10+2) with Science from a recognized Board/University. For engineering discipline posts: A Diploma or B.E./B.Tech degree in the relevant engineering field. Candidates with B.Sc. (with Physics, Chemistry, Mathematics) are also eligible for certain posts as per the official notification.

Q6. What is the exam pattern for BTSC Laboratory Assistant 2026?

The written exam is an online Computer Based Test (CBT) with 100 objective-type (MCQ) questions. There is a negative marking of 0.25 marks for each wrong answer. The CBT carries 75% weightage in the final merit list and the remaining 25% weightage is given to work experience or higher educational qualification.

Q7. What is the selection process for BTSC Laboratory Assistant Recruitment 2026?

The selection process has three stages: (1) Computer Based Test (CBT) – 100 MCQs on relevant technical discipline and General Knowledge, carrying 75% weightage; (2) Work Experience/Higher Qualification assessment carrying 25% weightage; and (3) Document Verification (DV) for shortlisted candidates. Final selection is based on the merit list.

Q8. What is the salary for BTSC Laboratory Assistant 2026?

Selected candidates receive a salary at Pay Level-4 as per the 7th Pay Commission with a pay range of Rs. 25,500 to Rs. 81,100 per month. In addition, candidates also receive Dearness Allowance (DA), House Rent Allowance (HRA), and other allowances as per Bihar Government service rules.

Source: Official Notification released by Bihar Technical Service Commission (BTSC) on btsc.bihar.gov.in under Advertisement Numbers 02/2026 to 13/2026, dated 3 April 2026. Individual discipline PDFs available at btsc.pariksha.nic.in.

Disclaimer: This article is based on the official notification published by BTSC. Candidates must read the official notification PDF for their specific discipline before applying. VacancyPage is not responsible for any inadvertent errors. Always verify final details at btsc.bihar.gov.in.