Bihar BTSC Laboratory Assistant Recruitment 2026 – 1091 Posts | Apply Online by 6 May

Bihar BTSC Lab Assistant Recruitment 2026 notification for 1091 posts with CBT and document verification process, eligibility diploma or degree candidates
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Bihar BTSC Laboratory Assistant Recruitment 2026 – 1091 Posts | Apply Online by 6 May | JobTheta
Application Open — 06 Apr to 06 May 2026

Bihar BTSC Laboratory Assistant Recruitment 2026 — 1091 Posts Prayogshala Sahayak | Advt. No. 02–13/2026 | btsc.bihar.gov.in | Notif. Date: 03.04.2026

Bihar Technical Service Commission (BTSC) has released a recruitment notification for 1091 Laboratory Assistant (Prayogshala Sahayak) posts under the Science, Technology & Technical Education Department, Government of Bihar. This is one of the largest technical recruitment drives in Bihar in 2026, covering 12 engineering and science disciplines through Advertisement Numbers 02/2026 to 13/2026. Candidates holding a relevant Diploma, B.E., B.Tech, or Science degree can apply online at btsc.bihar.gov.in from 6 April to 6 May 2026. Selection is through a Computer Based Test followed by Document Verification. The pay scale is Pay Level-4 (₹25,500–₹81,100) as per the 7th Pay Commission.

🏛️ Bihar BTSC
📋 Advt: 02–13/2026
👥 Posts: 1091
📚 12 Disciplines
🖥️ Apply: 06 Apr – 06 May 2026
📅 Age Ref: 01.08.2026
💰 Fee: ₹100 (All Categories)
🌐 btsc.bihar.gov.in
Open
Application
🔬
1091
Total Posts
📚
12
Disciplines
📅
06 May
Last Date
--
Days Left
💰
₹100
Fee (All)
01
BTSC Lab Assistant Recruitment 2026 — Complete Notification Overview

The Bihar Technical Service Commission (BTSC), headquartered at 19 Harding Road, Patna, is the state-level body responsible for technical recruitment across Bihar's government departments. This 2026 notification is significant because it fills Laboratory Assistant (Prayogshala Sahayak) positions across government polytechnic institutes, engineering colleges, and technical education centres under Bihar's Science, Technology & Technical Education Department — institutions that form the backbone of skill development and technical training in the state.

What makes this recruitment particularly noteworthy is its structure: rather than a single advertisement, BTSC has issued 12 separate advertisement numbers (02/2026 to 13/2026), one for each discipline. This means candidates apply under the specific advertisement number for their own discipline, and the merit list is prepared discipline-wise. A candidate with qualifications in multiple disciplines may apply for each relevant discipline separately. The total of 1091 posts spans disciplines ranging from high-demand Computer Science & IT (252 posts) to niche fields like Agriculture & Machinery (1 post) and Automobile/Mechanical Diesel (4 posts).

OrganisationBihar Technical Service Commission (BTSC) — 19 Harding Road, Patna – 800001
Under DepartmentScience, Technology & Technical Education Department, Government of Bihar
Post NameLaboratory Assistant (Prayogshala Sahayak)
Advertisement Numbers02/2026 to 13/2026 (12 separate discipline-wise notifications)
Total Vacancies1091 Posts across 12 engineering and science disciplines
Application ModeOnline only at btsc.bihar.gov.in via btsc.pariksha.nic.in portal
Application Start Date06 April 2026
Last Date to Apply06 May 2026
Fee Payment Deadline06 May 2026
Age Reference Date01 August 2026
Application Fee₹100 for all categories | Payment: Credit Card / Debit Card / Net Banking only
Pay ScalePay Level-4 : ₹25,500 – ₹81,100 (7th Pay Commission)
Selection ProcessComputer Based Test (CBT) → Document Verification (DV) → Merit List
Merit WeightageCBT: 75% | Work Experience / Higher Qualification: 25%
Negative Marking0.25 marks deducted per wrong answer in CBT
InterviewNo interview — selection is purely through CBT + DV
BTSC HelpdeskToll Free: 18003456221 | Email: btssc-bih@gov.in | 10 AM – 6 PM
Official Websitebtsc.bihar.gov.in
02
Important Dates — BTSC Lab Assistant Recruitment 2026

The application window spans exactly 30 days — from 6 April to 6 May 2026. This is a reasonable window for a large-scale recruitment, but candidates should avoid last-minute submission given the discipline-specific application process and the requirement to upload documents correctly in each separate application. The exam date has not yet been announced in the short notification; it will be published on the official BTSC website once the registration process is complete. Candidates must regularly check btsc.bihar.gov.in for admit card and exam schedule updates.

EventDateStatus
Short Notification Released03 April 2026Released ✅
Online Application Opens06 April 2026Open ✅
Last Date to Apply Online06 May 2026⏳ Deadline
Last Date for Fee Payment06 May 2026⏳ Active
Age Reference Date01 August 2026Fixed
Admit Card ReleaseTo be announced on btsc.bihar.gov.inPending
Computer Based Test (CBT)To be announced after application closesPending
Document Verification (DV)After CBT result declarationPending
Final Merit ListAfter DV completionPending
🔴 No changes after submission: Once the application form is submitted, no editing is permitted. Review all fields carefully — including discipline, category, and document uploads — before final submission. Incomplete or incorrectly filled applications may be rejected at Document Verification stage.
03
Discipline-wise Vacancy Details — 1091 Posts Across 12 Fields

The 1091 vacancies are spread across 12 distinct engineering and science disciplines, each governed by a separate advertisement number. Computer Science & IT dominates with 252 posts — nearly 23% of total vacancies — reflecting Bihar's push to strengthen digital infrastructure in technical education. Electrical Engineering, Civil Engineering/Rural Engineering, and Mechanical Engineering each carry 166 posts, making them the next most sought-after options. Science (general) has 164 posts. Niche fields like Agriculture & Machinery (1 post), Automobile/Mechanical Diesel (4 posts), Chemical Engineering (2 posts), Ceramics (2 posts), and Printing Engineering (2 posts) are available for highly specialised candidates but will be extremely competitive given their small numbers.

Advt. No.DisciplineVacancies% of Total
09/2026Computer Science Engineering / Information Technology25223.1%
04/2026Electrical Engineering16615.2%
10/2026Civil Engineering / Rural Engineering16615.2%
11/2026Mechanical Engineering16615.2%
12/2026Science (General)16415.0%
05/2026Electronics Engineering / Electronics & Communication14613.4%
03/2026Textile Engineering201.8%
02/2026Automobile Engineering / Mechanical Diesel40.4%
06/2026Chemical Engineering20.2%
07/2026Printing Engineering20.2%
08/2026Ceramics Engineering20.2%
13/2026Agriculture & Machinery10.1%
Grand Total — All 12 Disciplines1091100%
📌 Multiple applications allowed: Candidates who hold qualifications in more than one discipline may apply for each relevant discipline separately by submitting individual applications with separate fees. Category-wise breakdown (UR/EWS/OBC/EBC/SC/ST) will be released in the detailed discipline-wise notification PDFs on btsc.bihar.gov.in.
04
Eligibility Criteria — Education, Age & Other Conditions

The educational qualification for BTSC Lab Assistant varies by discipline. For most engineering posts, candidates need either a Diploma or a Degree (B.E./B.Tech) in the relevant engineering field. For the Science post (Advt. 12/2026), the minimum qualification is an Intermediate (10+2) with Science from a recognised board — making this the most accessible post in terms of entry-level qualification. Candidates with higher qualifications (B.Sc., M.Sc., or B.Tech) applying for science posts will earn additional marks in the merit list through the work experience/higher qualification component.

Out-of-state candidates are also eligible to apply, but they will not be entitled to any reservation benefits that are exclusively available to Bihar domicile holders. They must apply under the Unreserved category and compete accordingly. There is no domicile restriction mentioned as a blanket disqualifier — Bihar is notably more open to non-domicile applicants than states like MP or UP for its technical positions.

CriterionRequirementImportant Note
NationalityIndian CitizenAs per constitutional provisions
Education — Science Post (Advt. 12/2026)Intermediate (10+2) with Science from a recognised Board/UniversityLowest qualification requirement across all 12 disciplines — accessible to 12th pass Science students
Education — Engineering Posts (All other advts.)Relevant Diploma OR B.E./B.Tech in the specific engineering discipline from a recognised institutionDiscipline must match the advertisement applied for. Check individual notification PDFs for exact qualification details per discipline
Minimum Age18 years as on 01.08.2026All categories
Maximum Age — General/EWS Male37 years as on 01.08.2026Born on or after 02.08.1989
Maximum Age — General Female / OBC / EBC40 years as on 01.08.2026Includes both male and female candidates of OBC/EBC category
Maximum Age — SC / ST42 years as on 01.08.2026Applies to both male and female SC/ST candidates
Out-of-state CandidatesEligible to applyNo Bihar domicile mandatory, but reservation benefits (OBC/EBC/SC/ST) available only to Bihar residents. Non-residents compete under Unreserved pool
Work ExperienceNot mandatory for basic eligibilityWork experience in a related field earns bonus marks (weightage) in the final merit list — freshers are eligible but experienced candidates have an advantage
05
Pay Scale, Salary & Service Benefits

Laboratory Assistant posts in Bihar's technical education department fall under Pay Level-4 of the 7th Pay Commission with a pay range of ₹25,500 to ₹81,100. The entry pay at Level-4 starts at ₹25,500 per month as basic pay. When DA (Dearness Allowance), HRA (House Rent Allowance), and other state government allowances are added, the gross in-hand salary for a newly joining Laboratory Assistant typically works out to ₹35,000–₹45,000 per month depending on the city of posting and applicable allowances at the time of joining. The DA component changes quarterly based on AICPI index.

Beyond the immediate salary, government laboratory positions in Bihar's technical institutions offer structured career progression within the state technical education cadre, job security as a permanent state government employee, and the professional satisfaction of contributing to hands-on technical education for thousands of students every year. Selected candidates are typically posted across government polytechnics and engineering colleges spread throughout Bihar's 38 districts.

ComponentDetails
Pay LevelLevel-4 (7th Pay Commission)
Basic Pay Range₹25,500 – ₹81,100
Dearness Allowance (DA)As per Bihar Government rules — revised periodically based on AICPI index
House Rent Allowance (HRA)As per city/district of posting — applicable as per state government norms
Medical BenefitsAs per Bihar Government health scheme for state employees
PensionNational Pension System (NPS / Contributory Pension) for new appointments
Job NatureRegular / Permanent government appointment — not contractual
Posting LocationGovernment polytechnic institutes and engineering colleges across Bihar's 38 districts
06
Exam Pattern — CBT, Merit Weightage & Negative Marking

The BTSC Lab Assistant selection does not involve any interview — the entire process rests on the CBT performance and document-verified work experience/higher qualification marks. The Computer Based Test carries 75% of the final merit, making it by far the most decisive stage. The remaining 25% comes from marks awarded for work experience in a related field and/or possession of higher educational qualifications beyond the minimum requirement. This system rewards both exam performance and real-world experience equally.

The CBT consists of 100 objective-type (MCQ) questions covering two areas: technical questions from the candidate's discipline, and General Knowledge. The exact split between technical and GK questions will be clarified in the detailed notification. Crucially, there is a negative marking of 0.25 marks per wrong answer — meaning a wrong answer costs you one-quarter of a mark. Candidates should adopt a careful, selective approach rather than attempting all questions blindly.

Final Merit Score = CBT Marks (75%) + Work Experience / Higher Qualification Marks (25%)
CBT: 100 MCQs | Negative Marking: −0.25 per wrong answer | No Interview | DV is qualifying only
StageDetailsWeightage
Computer Based Test (CBT)100 objective-type MCQs — Technical subject questions + General Knowledge. Negative marking: −0.25 per wrong answer. Online mode only.75% of final merit
Work Experience / Higher QualificationMarks awarded for relevant work experience in the discipline AND/OR higher educational qualification beyond the minimum required (e.g., B.Tech for a diploma-minimum post, M.Tech/M.Sc. for degree-minimum post)25% of final merit
Document Verification (DV)Shortlisted candidates called to verify originals of all submitted documents. Failure to produce valid originals = disqualification. No marks awarded at DV — it is purely qualifying.Qualifying only
Final Merit ListPrepared discipline-wise and category-wise based on CBT + Experience/Qualification weightage100%
📊 Key Points About the CBT & Selection
  • No interview: The selection process has no personal interview at any stage — CBT performance and documents are the only deciding factors
  • Negative marking: −0.25 marks per incorrect answer in CBT. Unattempted questions carry no penalty — do not guess randomly
  • Minimum qualifying marks: Category-wise minimum qualifying marks in CBT will be specified in the detailed notification as per BTSC rules
  • Work experience bonus: Candidates with relevant industry or lab experience gain up to 25% additional merit advantage — even freshers can compete but may rank lower than experienced candidates with similar CBT scores
  • Discipline-wise merit lists: Final merit lists are prepared separately for each of the 12 disciplines — no cross-discipline competition
  • Normalisation: If the CBT is conducted in multiple shifts, score normalisation will be applied to ensure fairness across shifts
  • Out-of-state candidates: Eligible to appear in CBT but reservation benefits applicable only to Bihar domicile holders
❓ Questions: 100 MCQs ⚠️ Negative Marking: −0.25 per wrong answer 📊 CBT Weightage: 75% of final merit 🏅 Experience/Qualification: 25% of final merit 🚫 No Interview
07
Application Fee — One of the Lowest in Government Recruitment

One of the most candidate-friendly aspects of BTSC Lab Assistant Recruitment 2026 is the flat fee of ₹100 for all categories — including General, OBC, EBC, SC, ST, and EWS. There is no fee variation by category, making this genuinely accessible to every eligible applicant. Payment must be completed online through the BTSC portal using Credit Card, Debit Card, or Net Banking. Cash payments or bank challan modes are not accepted.

CategoryApplication FeeMode of Payment
All Categories (UR / OBC / EBC / EWS / SC / ST)₹100Credit Card / Debit Card / Net Banking (Online only)
Per Discipline Application₹100 per applicationSeparate fee for each discipline applied — no combined payment option
🔴 Fee is non-refundable: ₹100 application fee once paid is not refundable under any circumstances, including if the candidate is found ineligible or if they do not appear for the exam. Pay separately for each discipline you apply for.
08
How to Apply Online — Step-by-Step Guide

The online application for BTSC Lab Assistant 2026 is submitted through the BTSC's examination partner portal at btsc.pariksha.nic.in — accessible via the official BTSC website btsc.bihar.gov.in. Candidates must first complete a new registration to generate login credentials, then use those credentials to fill and submit the application form. Each discipline requires a separate application and separate fee payment. Candidates applying for multiple disciplines must go through the entire process once for each discipline.

1

Download & Read the Discipline-wise Notification PDF

Before applying, download the relevant advertisement PDF from btsc.bihar.gov.in for your specific discipline. Each advertisement (02/2026 to 13/2026) contains the precise eligibility conditions, qualification requirements, category-wise vacancy breakdown, and other discipline-specific rules. Read the notification thoroughly — do not rely on summaries alone.

2

Prepare Scanned Documents & Photo

Keep ready: recent passport-size photograph, signature on white paper, Matriculation certificate/marksheet (age proof), Intermediate (10+2) Science certificate, Diploma/Degree certificate and marksheets (all semesters), caste/EWS certificate (if applicable), experience certificates (if any), and Aadhar card. Scan all documents in prescribed format (JPEG/PDF) within the file size limits specified on the portal.

3

Complete E-KYC / New Registration at btsc.pariksha.nic.in

Visit btsc.bihar.gov.in, click the Apply Online link for the relevant BTSC Lab Assistant advertisement (Advt. No. 02/2026 to 13/2026). Complete new registration by entering your name, date of birth, email address, and mobile number. This generates your Portal Registration Number and password. Note these carefully — they are required to log in and complete the application. Complete the E-KYC process as prompted.

4

Fill the Application Form

Log in with your registration credentials. Fill in all personal details, educational qualifications (all semesters/years), category details, work experience details, and exam centre preference. Once submitted, no editing is possible — review every field with extreme care before clicking submit. Ensure name, date of birth, and category match your official documents exactly.

5

Upload Documents & Photograph

Upload your photograph, signature, and all required documents at the designated upload sections. All uploads must be legible, within prescribed file sizes, and in the correct format. Blurry or incorrect document uploads result in disqualification at the DV stage even if you clear the CBT. Preview each upload before proceeding.

6

Pay ₹100 Application Fee Online

Pay the non-refundable application fee of ₹100 via Credit Card, Debit Card, or Net Banking through the BTSC payment gateway. After successful payment, a payment confirmation is generated. Save or screenshot the transaction reference — this is proof of fee payment.

7

Submit & Print Confirmation — Note Your Application Number

After final submission, your application / registration number is generated. Write it down and save it — this number is used to download the admit card later. Download and print the system-generated filled application form and fee receipt. Keep them safely for all future stages including admit card download, exam, and document verification.

🌐 Portal: btsc.bihar.gov.in 📅 Opens: 06 Apr 2026 ⏳ Closes: 06 May 2026 💰 Fee: ₹100 (All Categories) 📋 Advt: 02/2026 to 13/2026 📞 Helpdesk: 18003456221
09
Documents Required — Upload During Application & Carry at DV

Documents must be uploaded during the online application and originals must be produced at Document Verification. Self-attested photocopies of all documents must accompany the originals at DV. Failure to produce any required original at DV leads to disqualification — even if the candidate has topped the CBT. Bring the Portal Registration Number and all supporting documents to the DV as specified in the DV call letter.

📅
Age Proof
Matriculation (10th) Mark Sheet & Certificate — showing date of birth from recognised board
🎓
Educational Qualifications
10+2 Science certificate; Diploma/Degree marksheets (all semesters); Degree certificate as applicable to the discipline
🏷️
Caste / Category Certificate
SC/ST/OBC/EBC — issued by competent authority. EWS — Income & Asset certificate from Tehsildar/DM for correct financial year
🪪
Aadhar Card
Mandatory for E-KYC during registration and identity verification at all stages
🪪
Photo ID Proof
Voter card, PAN card, Aadhar, Driving Licence, or Passport — carry original to exam centre
💼
Work Experience Certificates
Certificates from previous employer(s) specifying designation, duration, and nature of work in the relevant discipline — required for experience-based merit marks
📝
Higher Qualification Certificates
M.Tech / M.Sc. / B.Tech (if applying above minimum qualification) — for higher qualification merit component
📋
Application Printout & Fee Receipt
Printed copy of submitted application form and payment confirmation — carry to DV and exam centre
📸
Passport-size Photographs
Recent colour photographs with light background — carry multiple copies for each stage
📞
Portal Registration Number
Generated at registration — essential for admit card download and all future correspondence with BTSC
⚠️ E-KYC Requirement: Candidates must complete E-KYC during the registration process. Carry your Portal Registration Number along with all supporting documents to Document Verification as specified in the official DV call letter from BTSC.
11
Frequently Asked Questions — Bihar BTSC Lab Assistant 2026

These FAQs are based on the official BTSC notifications (Advt. No. 02/2026 to 13/2026) released on btsc.bihar.gov.in, and information verified from the BTSC official website. For queries beyond this page, always refer to the discipline-specific official notification PDF or contact BTSC directly at 18003456221.

Q1
What is Bihar BTSC Laboratory Assistant Recruitment 2026 and who is recruiting?
+
The Bihar Technical Service Commission (BTSC), headquartered at 19 Harding Road, Patna, has released 12 separate advertisement notifications (Advt. No. 02/2026 to 13/2026) for 1091 Laboratory Assistant (Prayogshala Sahayak) posts under the Science, Technology & Technical Education Department, Government of Bihar.

These positions are for government polytechnic institutes and engineering colleges across Bihar. Online applications run from 6 April 2026 to 6 May 2026 at btsc.bihar.gov.in. Both Bihar and non-Bihar candidates are eligible to apply.
Q2
Which discipline has the most vacancies in BTSC Lab Assistant 2026?
+
Computer Science Engineering / Information Technology (Advt. 09/2026) has the highest vacancy at 252 posts — about 23% of all 1091 vacancies.

Other major disciplines:
✓ Electrical Engineering — 166 posts
✓ Civil / Rural Engineering — 166 posts
✓ Mechanical Engineering — 166 posts
✓ Science (General) — 164 posts
✓ Electronics / Electronics & Communication — 146 posts

Smallest disciplines: Agriculture & Machinery (1 post), Chemical Engineering (2 posts), Ceramics (2 posts), Printing Engineering (2 posts).
Q3
What is the age limit for BTSC Lab Assistant 2026 and when is it calculated?
+
Age is calculated as on 01 August 2026. The minimum age for all categories is 18 years.

Maximum age limits:
General / EWS — Male: 37 years
General — Female: 40 years
OBC / EBC (Male & Female): 40 years
SC / ST (Male & Female): 42 years

Age relaxation applies as per Bihar Government rules for each reserved category. Out-of-state candidates do not get Bihar-specific reservation relaxation and must apply under the unreserved age limit applicable to their gender.
Q4
What is the selection process for BTSC Lab Assistant 2026?
+
Selection is through a simple two-stage process — no interview:

📝 Stage 1 — Computer Based Test (CBT): 100 objective-type MCQs covering the relevant technical discipline and General Knowledge. Negative marking: −0.25 marks per wrong answer. CBT carries 75% weightage in the final merit.

🏅 Work Experience / Higher Qualification: Marks are awarded for relevant work experience and/or higher educational qualifications — carries 25% weightage in the final merit.

📋 Stage 2 — Document Verification (DV): Shortlisted candidates called to verify original documents. Qualifying in nature — no additional marks awarded. Failure to produce valid originals = disqualification.

Final merit list is prepared discipline-wise and category-wise based on CBT + experience/qualification combined score.
Q5
What is the pay scale and approximate salary for BTSC Lab Assistant?
+
Selected candidates are placed at Pay Level-4 (7th Pay Commission) with a basic pay range of ₹25,500 to ₹81,100.

Entry pay starts at ₹25,500 per month as basic. With DA (Dearness Allowance), HRA (House Rent Allowance), and other state government allowances, the approximate gross monthly salary for a newly joining Lab Assistant is typically in the range of ₹35,000 to ₹45,000 per month, depending on the posting location and current DA rates.

This is a regular/permanent government appointment — not contractual — with full pension (NPS), medical benefits, and other state government perks.
Q6
Can freshers apply for BTSC Lab Assistant 2026? Is work experience mandatory?
+
Yes, freshers are fully eligible to apply. Work experience is NOT mandatory for basic eligibility.

However, there is an important merit consideration: the final selection gives 25% weightage to work experience and/or higher qualifications. This means:

✓ A fresher with no experience starts the merit with only CBT marks (75% weightage)
✓ A candidate with relevant work experience AND higher qualification gets full 100% merit score potential

Practically, experienced candidates have a significant merit advantage over freshers with identical CBT scores. Freshers should aim to score very highly in the CBT to compensate. There is no interview, so CBT performance is the key differentiator for freshers.
Q7
Can candidates from outside Bihar apply? Do they get reservation benefits?
+
Yes, out-of-state candidates can apply for BTSC Lab Assistant Recruitment 2026.

However, important restrictions apply:
❌ Reservation benefits (OBC/EBC/SC/ST category seats) are available only to Bihar domicile holders
❌ Out-of-state candidates must compete in the Unreserved (UR) pool
❌ No Bihar-specific age relaxation or fee concessions for non-Bihar residents

✓ Out-of-state candidates ARE eligible for the CBT and can be selected if they rank within the UR cut-off
✓ This makes BTSC Lab Assistant more open than many state-level recruitments which restrict to domicile holders only
Q8
Can I apply for multiple disciplines in BTSC Lab Assistant 2026?
+
Yes — candidates holding qualifications in multiple disciplines can apply for each relevant discipline separately.

Since each discipline has its own advertisement number (02/2026 to 13/2026), candidates need to:
✓ Submit a separate application for each discipline
✓ Pay a separate ₹100 fee per application
✓ Appear in the CBT separately for each discipline (the CBT will likely be conducted on different dates or with different question sets per discipline)

For example, a B.Tech (CSE) graduate with a minor in Electronics can apply for both Advt. 09/2026 (CSE/IT) and Advt. 05/2026 (Electronics), paying ₹100 for each and appearing in both CBTs. Selection in one discipline does not affect candidature in another.
Chandan Kumar

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