BTSC Lab Assistant Recruitment 2026: 146 Posts, Apply by May 06

The Bihar Technical Service Commission (BTSC), Patna, has released an official recruitment notification (Advt. No. 05/2026) for the regular appointment of Laboratory Assistant (Electronics Engineering / Electronics Communication) posts. This is a significant opportunity for candidates holding a diploma in relevant engineering branches. A total of 146 vacancies have been announced for appointment in Government Engineering Colleges, Government Polytechnics, and Government Women’s Polytechnics under the Science, Technology & Technical Education Department, Bihar, Patna.

Interested and eligible candidates can apply online through the official website www.btsc.bihar.gov.in. The application window is open from April 06, 2026, to May 06, 2026. Candidates are advised to carefully review the complete notification before applying to ensure they meet all eligibility criteria and understand the application process, selection procedure, and required documents.

Quick Overview

Vacancy Details

A total of 146 posts for Laboratory Assistant (Electronics Engineering / Electronics Communication) have been notified. The category-wise distribution of these vacancies is as follows, including 35% horizontal reservation for native women of Bihar state:

Note:

• Divyang (PwD) candidates: VH-02, HH-02, OH-01, MH-01 (Total: 06)
• Grandchildren of Freedom Fighters: 03
• The number of vacancies may increase or decrease based on requisitions received by the last date of application.

Eligibility Criteria

Educational Qualification

Candidates must possess one of the following qualifications:

• Three-year Diploma in Electronics Engineering / Electronics Communication Engineering / Electronics / Electrical Electronics or equivalent engineering branch from an institution recognized by AICTE, New Delhi (non-distance mode).
• OR
• Three-year Diploma in Electronics Engineering / Electronics Communication / Electronics / Electrical Electronics or equivalent engineering branch from a University / Deemed University recognized under the provisions of the University Grants Commission Act (non-distance mode).

Age Limit (as on 01.08.2026)

The minimum age for all candidates is 18 years as on August 01, 2026. The maximum age limits are as follows:

Age Relaxation

Age relaxation will be provided as per Bihar Government rules:

• Persons with Disabilities (PwD): 10 years relaxation in the upper age limit.
• Bihar Government Employees: Those who have completed 3 years of continuous service will receive a 5-year relaxation in the upper age limit.
• Contractual Employees: Candidates working on a contractual basis on the same post under the Science, Technology & Technical Education Department will be granted relaxation in the upper age limit equivalent to their period of service. This relaxation will be calculated up to the cut-off date of 01.08.2026.
• Only one type of age relaxation benefit will be applicable to a candidate.

Application Fee

The application fee details are as follows:

Payment Mode: The application fee must be paid online through Debit Card, Credit Card, Internet Banking, or UPI. Additional bank charges will be applicable and will be automatically deducted during the online payment process. Candidates must keep a copy of the payment receipt for future reference.

Important Dates

Selection Process

The selection process for the Laboratory Assistant posts will be based on a combination of a Written Competitive Examination (Computer Based Test) and marks for work experience (for eligible contractual employees). The merit list will be prepared as follows:

1. Written Competitive Examination (Computer Based Test): This exam will carry a maximum of 75 marks.
2. Work Experience: Contractual employees previously working on the same post (Laboratory Assistant) under the Science, Technology & Technical Education Department will be awarded 05 marks for each year of satisfactory service, up to a maximum of 25 marks. A service period of 06 months or more, but less than 01 year, will be counted as 01 full year.
3. Total Marks: The combined score will be out of 100 marks.

Weightage Calculation: The marks obtained in the written competitive examination will be multiplied by a factor of 0.75. For example, if a candidate scores 60% in the exam, their score for merit calculation will be 60 x 0.75 = 45 marks.

Only candidates who qualify in the written examination with minimum cut-off marks will be considered for work experience weightage.

Exam Pattern

• Type of Exam: Written Competitive Examination (Computer Based Test)
• Total Questions: 100
• Question Type: Multiple Choice Questions (MCQs)
• Language: Hindi and English
• Duration: 2 hours
• Total Marks: 100
• Marking Scheme: 1 mark for each correct answer.
• Negative Marking: Yes, 0.25 marks will be deducted for each incorrect answer.
• Normalization: If the examination is conducted in multiple shifts, the results will be prepared using a normalization process.

Minimum Qualifying Marks

Candidates must secure the following minimum qualifying marks in the written examination:

• General Category: 40%
• Backward Class (BC): 36.5%
• Extremely Backward Class (EBC): 34%
• Scheduled Caste (SC) / Scheduled Tribe (ST) / Female / Persons with Disabilities (PwD): 32%

Candidates failing to achieve these minimum marks will not be considered for further selection, and their claim will not be valid.

Syllabus

The syllabus for the competitive examination will be based on the curriculum prescribed by the requisitioning department. The detailed syllabus will be published separately on the BTSC official website.

How to Apply

Candidates must apply online through the official website of the Bihar Technical Service Commission. Follow these steps to complete your application:

1. Visit the Official Website: Go to www.btsc.bihar.gov.in.
2. Find the Notification: Look for the advertisement number 05/2026 for Laboratory Assistant recruitment.
3. New Registration: If you are a new user, click on the ‘New Registration’ link and register yourself by providing basic details like name, email ID, and mobile number.
4. Fill the Application Form: Log in with your registration credentials and fill in all the required details in the online application form. Ensure all information (personal details, educational qualifications, reservation claims, experience) is accurate and clear.
5. Upload Documents: Upload scanned copies of all necessary documents, certificates, and mark sheets in the prescribed format and size. Ensure the documents are clear, legible, and correctly scanned. Blurred or unclear documents may lead to rejection.
6. Upload Photograph & Signature: Upload a recent passport-sized photograph (taken within the last 3 months, with a clear face, open eyes, and white background) and your signature. Keep at least five extra copies of the uploaded photograph for future use (e.g., admit card, document verification).
7. Pay Application Fee: Proceed to pay the application fee of ₹100/- through the online payment gateway (Debit Card/Credit Card/Net Banking/UPI). After successful payment, download and save the payment receipt.
8. Review and Submit: Carefully review all the entered information before final submission. Once submitted, no changes or corrections will be allowed.
9. Print Application Form: After final submission, download and print a copy of your completed online application form and payment receipt for your records. This hard copy along with all original documents will be required during document verification.

Required Documents for Application & Document Verification (DV)

Candidates must upload the following certificates/mark sheets during the online application process. All documents must be issued on or before May 06, 2026, and their details (number, issue date) must be accurately entered in the online application form. Original documents will be required for verification during the DV stage.

• Matriculation Certificate: Original certificate for Date of Birth verification.
• Diploma Certificates: Mark sheets and original/provisional certificate of 3-year Diploma in the relevant engineering branch from a recognized institution/university.
• Caste Certificate / Non-Creamy Layer Certificate (NCL): For BC/EBC candidates (issued by Bihar Govt. for its purpose).
• Economically Weaker Section (EWS) Certificate: For EWS candidates.
• Permanent Residence / Domicile Certificate: To claim reservation benefits, candidates must be permanent residents of Bihar.
• Freedom Fighter Dependent Certificate: If claiming reservation under this category.
• Disability Certificate: For PwD candidates, issued by a competent Medical Board as per government rules.
• Salary Payment Certificate: For contractual employees claiming work experience benefits, issued by the Principal of the respective Government Engineering College/Polytechnic in the prescribed format (Appendix-I of the notification).
• Photo ID Proof: Aadhaar Card (preferred), PAN Card, or Driving License.

Important Note: Only those certificates/mark sheets whose details have been entered and uploaded in the online application form will be accepted during document verification. Any document not uploaded or found to be unclear/blurred will lead to the cancellation of candidature.

Job Profile & Career Scope

A Laboratory Assistant in an Engineering College/Polytechnic plays a crucial role in the practical education of students. The primary duties typically include:

• Assisting faculty and students in conducting practical experiments and projects in the Electronics Engineering/Communication laboratories.
• Maintaining laboratory equipment, instruments, and apparatus, ensuring they are in working condition.
• Setting up and demonstrating experiments for students.
• Managing laboratory inventory, including chemicals, components, and tools.
• Ensuring safety protocols are followed in the lab and providing basic first aid if needed.
• Assisting in the procurement of new equipment and materials for the lab.
• Maintaining records of experiments, equipment usage, and maintenance.

Career Growth: Starting as a Laboratory Assistant, individuals can progress to senior lab positions or, with further education and experience, potentially move into teaching or technical roles within the institution or other government departments. Continuous learning and skill development are key for advancement.

Preparation Tips

To excel in the BTSC Laboratory Assistant examination, a systematic and focused preparation strategy is essential:

1. Understand the Syllabus & Exam Pattern

• Thoroughly review the official syllabus (once released on the BTSC website) and exam pattern, including marking scheme and negative marking.
• Identify high-weightage topics and allocate study time accordingly.

2. Core Technical Knowledge

• Since the exam is for Electronics Engineering / Electronics Communication, focus heavily on your diploma-level core subjects. Revise fundamental concepts, theories, and practical applications.
• Topics may include Digital Electronics, Analog Electronics, Communication Systems, Microcontrollers, Network Theory, Basic Electrical Engineering, etc.

3. Practice MCQs

• The exam is objective type. Practice a wide range of Multiple Choice Questions from various sources to improve speed and accuracy.
• Focus on conceptual understanding rather than rote memorization.

4. Time Management

• Develop a study schedule that covers all subjects and allows for regular revision.
• Practice mock tests under timed conditions to improve your time management skills for the actual exam.

5. Revision

• Regularly revise all the topics you have studied. Make short notes for quick revision of important formulas, concepts, and facts.

6. Previous Year Papers

• Solve previous year question papers (if available for similar exams) to understand the exam’s difficulty level and question trends.

Important Links

Frequently Asked Questions (FAQs)

Q1: What is the last date to apply for BTSC Lab Assistant Recruitment 2026?

The last date to apply online for the BTSC Laboratory Assistant posts is May 06, 2026.

Q2: What is the minimum educational qualification required for this post?

Candidates must have a three-year Diploma in Electronics Engineering / Electronics Communication Engineering / Electronics / Electrical Electronics or an equivalent engineering branch from an AICTE-recognized institution or UGC-recognized university (non-distance mode).

Q3: Is there any age relaxation for reserved categories?

Yes, age relaxation is provided for various reserved categories as per Bihar Government rules. This includes relaxation for PwD, Bihar Government employees, and contractual employees. Refer to the ‘Age Limit & Relaxation’ section for full details.

Q4: What is the application fee for BTSC Laboratory Assistant recruitment?

The application fee for all candidates is ₹100/-, payable online. Additional bank charges may apply.

Q5: What is the selection process for the Laboratory Assistant position?

The selection process involves a Written Competitive Examination (Computer Based Test) carrying 75 marks, and marks for work experience (up to 25 marks) for eligible contractual employees. The final merit list will be prepared out of 100 marks.

Q6: Will there be negative marking in the written exam?

Yes, there will be negative marking. 0.25 marks will be deducted for each incorrect answer in the written examination.

Q7: Can candidates from outside Bihar apply for these vacancies?

Yes, candidates from outside Bihar can apply, but they will be considered under the unreserved category and will not be eligible for any reservation benefits applicable only to permanent residents of Bihar.

Q8: What documents are required during the application process?

Candidates need to upload their Matriculation certificate, Diploma mark sheets and certificate, Caste/NCL/EWS certificate (if applicable), Domicile certificate, Disability certificate (if applicable), Freedom Fighter dependent certificate (if applicable), and Salary Payment Certificate (for contractual experience). A recent photograph and signature are also required.

Q9: Where can I find the detailed syllabus for the exam?

The detailed syllabus for the competitive examination will be published separately on the official BTSC website (www.btsc.bihar.gov.in). Candidates are advised to check the website regularly for updates.

Q10: What if I face issues during the online application or payment?

The commission is not responsible for internet or banking disruptions. Candidates should not wait until the last minute to apply. For persistent issues, refer to the official website for contact details or FAQs, or try applying during off-peak hours.