Detailed Guide & Information
Bihar Technical Service Commission (BTSC) released BTSC Fisheries Extension Officer Recruitment 2026 notification on 24th September 2026 at its official website. The notice has been released for a total of 231 vacancies under Advertisement No. 28/2026 in the form of an online PDF. The recruitment is being conducted for regular appointment of candidates to Fisheries Extension Officer posts under the Fisheries Directorate and its subordinate offices of the Dairy, Fisheries and Animal Resources Department, Bihar.
As per released notice, the online application process is being held between 24th September and 23rd October 2026. All those candidates with a four-year Bachelor’s Degree in Fisheries Science from a Fisheries College under an Agricultural University recognised by the Indian Council of Agricultural Research (ICAR), New Delhi are considered eligible. Selection will be based on a computer-based test and eligible contractual work experience.
BTSC Fisheries Extension Officer Recruitment 2026 Out
Bihar Technical Service Commission has issued Advertisement No. 28/2026 for regular recruitment to the post of Fisheries Extension Officer. A total of 231 vacancies have been notified for appointment under the Fisheries Directorate and subordinate offices of the Dairy, Fisheries and Animal Resources Department, Bihar. Eligible candidates can submit the online application through the official BTSC website until 23rd October 2026.
| Particular | Details |
|---|---|
| Organisation | Bihar Technical Service Commission (BTSC) |
| Department | Dairy, Fisheries and Animal Resources Department, Bihar |
| Recruitment Name | BTSC Fisheries Extension Officer Recruitment 2026 |
| Advertisement Number | 28/2026 |
| Post Name | Fisheries Extension Officer |
| Total Vacancies | 231 |
| Nature of Appointment | Regular Appointment |
| Pay Level | Level 7 |
| Application Mode | Online |
| Online Application Start Date | 24th September 2026 |
| Last Date to Apply | 23rd October 2026 |
| Minimum Age | 21 Years |
| Age Calculation Date | 1st August 2026 |
| Application Fee | ₹100 |
| Selection Process | Computer Based Test, Contractual Experience Weightage and Document Verification |
| Official Website | BTSC Bihar |
BTSC Fisheries Extension Officer Notification 2026
The BTSC Fisheries Extension Officer Notification 2026 contains details regarding 231 vacancies, category-wise reservation, educational qualification, age limit, age relaxation, application fee, online application procedure, Computer Based Test, negative marking, qualifying marks, contractual experience weightage and Document Verification.
The recruitment is being conducted for regular appointment in the Fisheries Directorate and its subordinate offices under the Dairy, Fisheries and Animal Resources Department of the Government of Bihar. Candidates should check all qualification, reservation, age and document requirements before submitting the application.
BTSC Fisheries Extension Officer Recruitment 2026 Notification PDF: Click to Download
BTSC Fisheries Extension Officer Vacancy 2026
BTSC has announced 231 Fisheries Extension Officer vacancies. These include 96 Unreserved, 23 EWS, 35 SC, 2 ST, 41 Extremely Backward Class, 27 Backward Class and 7 Backward Class Women vacancies. Horizontal reservation applicable to women, Persons with Disabilities and eligible descendants of freedom fighters is included within the notified vacancies.
| Category | Vacancies |
|---|---|
| Unreserved (UR) | 96 |
| Economically Weaker Section (EWS) | 23 |
| Scheduled Caste (SC) | 35 |
| Scheduled Tribe (ST) | 2 |
| Extremely Backward Class (EBC) | 41 |
| Backward Class (BC) | 27 |
| Backward Class Women (WBC) | 7 |
| Total | 231 |
BTSC Fisheries Extension Officer Women Reservation 2026
The notification provides horizontal reservation for women who are permanent residents of Bihar. The vacancy table shows a total of 77 posts falling under the applicable women horizontal reservation across the respective categories.
| Category | Women Horizontal Reservation |
|---|---|
| Unreserved | 34 |
| EWS | 8 |
| SC | 12 |
| ST | 0 |
| EBC | 14 |
| BC | 9 |
| WBC | – |
| Total | 77 |
The horizontal reservation for women is applicable only to eligible permanent residents of Bihar according to the applicable State Government reservation rules.
BTSC Fisheries Extension Officer PwD Reservation 2026
The vacancy table also provides horizontal reservation for eligible Persons with Disabilities. The notification lists 9 PwD vacancies across the identified disability categories.
| Disability Category | Reserved Vacancies |
|---|---|
| VH/VI – Blindness and Low Vision | 3 |
| HH – Deaf and Hard of Hearing | 2 |
| OH – Locomotor Disability | 2 |
| MH – Mental/Multiple Disability Category as notified | 2 |
| Total | 9 |
Eligible candidates claiming disability reservation must possess the prescribed disability certificate issued by the competent Medical Board. The disability certificate must remain valid as required under the recruitment conditions.
BTSC Fisheries Extension Officer Freedom Fighter Reservation 2026
Four vacancies are shown under horizontal reservation for eligible grandchildren of freedom fighters of Bihar. The applicable benefit will be available only to candidates possessing the prescribed certificate issued by the competent authority.
| Reservation | Vacancies |
|---|---|
| Eligible Grandchildren of Freedom Fighters | 4 |
BTSC Fisheries Extension Officer Eligibility Criteria 2026
Candidates applying for BTSC Fisheries Extension Officer Recruitment 2026 must satisfy the prescribed educational qualification, age, domicile and reservation requirements. Eligibility will be examined on the basis of information and documents submitted through the online application.
BTSC Fisheries Extension Officer Qualification 2026
The essential educational qualification for the Fisheries Extension Officer post is a four-year Bachelor’s Degree in Fisheries Science from a Fisheries College under an Agricultural University recognised by the Indian Council of Agricultural Research (ICAR), New Delhi.
| Post Name | Educational Qualification |
|---|---|
| Fisheries Extension Officer | Four-year Bachelor’s Degree in Fisheries Science from a Fisheries College under an Agricultural University recognised by the Indian Council of Agricultural Research (ICAR), New Delhi. |
Candidates must upload all relevant year-wise mark sheets and the final Degree or Provisional Certificate relating to the prescribed educational qualification while completing the online application.
BTSC Fisheries Extension Officer Age Limit 2026
The minimum age for BTSC Fisheries Extension Officer Recruitment 2026 is 21 years as on 1st August 2026. The maximum age varies according to the candidate’s category and gender. The date of birth recorded in the Matriculation or equivalent certificate will be treated as valid for determining age.
| Category | Maximum Age Limit |
|---|---|
| Unreserved Male | 37 Years |
| Unreserved Female | 40 Years |
| BC/EBC Male and Female | 40 Years |
| SC/ST Male and Female | 42 Years |
BTSC Fisheries Extension Officer Age Calculation Date 2026
| Age Particular | Details |
|---|---|
| Minimum Age | 21 Years |
| Age Calculation Date | 1st August 2026 |
BTSC Fisheries Extension Officer Age Relaxation 2026
Additional relaxation in the upper age limit is available to certain eligible categories according to the conditions given in the advertisement.
| Category / Condition | Age Relaxation |
|---|---|
| Persons with Disabilities | 10 Years in maximum age limit |
| Eligible Government Servants | 5 Years subject to the prescribed service conditions |
| Eligible Contractual Employees | Relaxation equivalent to the eligible contractual service period as prescribed |
| Ex-Servicemen | 3 Years plus the period of defence service, subject to the prescribed maximum age condition |
For eligible Ex-Servicemen, the relaxation is calculated by adding three years to the period of service rendered in the Defence Forces, subject to the condition that the candidate’s actual age on the date of application should not exceed 57 years.
BTSC Fisheries Extension Officer Previous Recruitment Age Benefit
The advertisement also contains a provision relating to candidates affected by the earlier Fisheries Extension Officer recruitment process in which age was calculated as on 1st August 2020. Candidates covered by the conditions mentioned in the present advertisement may be considered eligible despite crossing the normal upper age during the period from 1st August 2020 to 1st August 2026, subject to fulfilment of all other eligibility conditions.
BTSC Fisheries Extension Officer Reservation Rules 2026
Reservation benefits under BTSC Fisheries Extension Officer Recruitment 2026 are available only to candidates who are permanent residents of Bihar and fulfil the certificate requirements prescribed by the State Government. Candidates residing outside Bihar will not be entitled to Bihar reservation benefits.
Certificates Required for Bihar Reservation
- SC/ST candidates must possess the prescribed Caste Certificate.
- SC/ST candidates must also produce the applicable Bihar Domicile/Permanent Residence Certificate.
- BC/EBC candidates must possess the prescribed Non-Creamy Layer Certificate.
- BC/EBC candidates must possess the applicable Bihar Domicile/Permanent Residence Certificate.
- EWS candidates must possess the prescribed Income and Asset Certificate.
- EWS candidates must also possess the applicable Bihar Domicile/Permanent Residence Certificate.
- PwD candidates must possess the prescribed valid Disability Certificate.
- Candidates claiming freedom fighter descendant reservation must possess the prescribed certificate.
Candidates must select the correct category while submitting the online application. Reservation category changes after registration/application submission will not normally be permitted.
BTSC Fisheries Extension Officer Salary 2026
The Fisheries Extension Officer post is placed in Pay Level 7. The advertisement specifies the Pay Level for regular appointment but does not provide a separate monthly in-hand salary figure.
| Particular | Details |
|---|---|
| Post Name | Fisheries Extension Officer |
| Pay Level | Level 7 |
| Appointment | Regular |
BTSC Fisheries Extension Officer Apply Online 2026
The BTSC Fisheries Extension Officer Apply Online process started on 24th September 2026. Eligible candidates can complete the application through the official Bihar Technical Service Commission website. The last date to submit the online application is 23rd October 2026.
Candidates should complete registration, fee payment, document upload and final submission before the deadline. Merely registering and paying the application fee will not be treated as completion of the application unless the complete online form has been finally submitted.
BTSC Fisheries Extension Officer Apply Online 2026 Link [Active]: Click to Register
BTSC Fisheries Extension Officer Important Dates 2026
| Event | Date |
|---|---|
| Notification / Online Application Start Date | 24th September 2026 |
| Last Date to Apply Online | 23rd October 2026 |
| Eligibility/Age Calculation Date | 1st August 2026 |
| Experience Calculation Date | 24th September 2026 |
| CBT Exam Date | To be announced |
| Document Verification Date | To be announced |
BTSC Fisheries Extension Officer Application Fee 2026
The application fee prescribed for submitting the BTSC Fisheries Extension Officer online application is ₹100. The fee must be paid through online mode only. Applicable bank or transaction charges may be payable separately.
| Particular | Fee |
|---|---|
| Online Application Fee | ₹100 |
| Payment Mode | Online Only |
BTSC Fisheries Extension Officer Fee Payment Mode
- Debit Card
- Credit Card
- Internet Banking
- UPI
Payment of the application fee will be accepted only through online mode. Candidates should preserve the payment receipt for future reference.
Photo ID Required for BTSC Fisheries Extension Officer Application
Candidates should preferably enter their Aadhaar Number while completing the online application. If Aadhaar is not available, another valid photo identity document such as PAN Card or Driving Licence can be used according to the instructions in the application.
The photo identity document mentioned in the online application should also be produced during the examination or counselling/document verification process when required.
Documents Required for BTSC Fisheries Extension Officer Recruitment 2026
- Original Matriculation/10th Certificate for proof of Date of Birth
- All year-wise or semester-wise Fisheries Science mark sheets
- Bachelor’s Degree in Fisheries Science or Provisional Degree Certificate
- SC/ST Caste Certificate, wherever applicable
- BC/EBC Non-Creamy Layer Certificate, wherever applicable
- EWS Income and Asset Certificate, wherever applicable
- Bihar Domicile/Permanent Residence Certificate for reservation claims
- Freedom Fighter Descendant Certificate, wherever applicable
- Disability Certificate, wherever applicable
- Ex-Servicemen Certificate for applicable age relaxation
- Prescribed Experience/Salary Payment Certificate for contractual experience claim
- Valid Photo Identity Proof
- Recent passport-size photograph
- Other documents relating to claims made in the online application
Only documents and certificates mentioned and uploaded in the online application will normally be considered during Document Verification. Candidates should therefore ensure that all relevant documents are uploaded in the prescribed columns before final submission.
BTSC Fisheries Extension Officer Photograph Requirements 2026
- The photograph should be recent and normally taken within three months.
- The candidate’s face and head-to-shoulder portion should be clearly visible.
- Both eyes should be clearly visible in the photograph.
- The background should be clear and plain.
- The photograph should not contain shadows.
- Candidates wearing spectacles should remove them while getting the prescribed photograph clicked.
- Candidates should preserve at least five additional copies of the same photograph for future use.
How to Apply Online for BTSC Fisheries Extension Officer Recruitment 2026?
- Visit the official Bihar Technical Service Commission website.
- Open Advertisement No. 28/2026 for Fisheries Extension Officer Recruitment.
- Read the detailed recruitment advertisement carefully.
- Check the educational qualification, age and reservation eligibility.
- Start the online registration process.
- Enter personal information such as name, Date of Birth, category and contact details correctly.
- Enter a functional mobile number and email ID.
- Enter Aadhaar Number or another accepted photo identity number.
- Enter the Fisheries Science educational qualification details.
- Enter contractual work experience details if claiming experience weightage.
- Enter reservation and domicile details wherever applicable.
- Upload the required certificates and mark sheets in the respective columns.
- Upload the recent photograph according to the prescribed instructions.
- Pay the ₹100 application fee through online mode.
- Review all information carefully before final submission.
- Submit the complete online application on or before 23rd October 2026.
- Download and preserve a copy of the finally submitted application form.
- Keep the application form and uploaded certificates ready for Document Verification.
Candidates should not wait until the last date to complete the application. BTSC will not be responsible for internet problems, failed transactions or other technical issues faced by candidates at the last moment.
Can BTSC Fisheries Extension Officer Application Be Corrected After Submission?
Candidates should fill all entries in the online application carefully. The advertisement states that changes or corrections in the application will not be accepted after submission. Incorrect information may lead to rejection of candidature.
BTSC Fisheries Extension Officer Contractual Experience 2026
Eligible candidates can receive additional marks for satisfactory contractual work experience on the same post under the conditions prescribed by BTSC. Experience must be supported by the prescribed salary-payment or experience certificate issued by the competent authority.
The experience period will be calculated up to 24th September 2026. Candidates who do not claim experience in the online application or fail to submit the prescribed certificate will not receive experience marks or related age-relaxation benefits.
BTSC Fisheries Extension Officer Experience Certificate 2026
The prescribed salary-payment/experience certificate should be issued in the format provided with the advertisement by the competent fisheries authority, such as the Director of Fisheries, Deputy Director of Fisheries of the concerned range or District Fisheries Officer-cum-Chief Executive Officer, as applicable.
The certificate should clearly mention the period of contractual engagement, monthly remuneration and other details required in the prescribed format.
BTSC Fisheries Extension Officer Selection Process 2026
BTSC will select candidates on the basis of the written competitive examination and eligible contractual work experience. The final merit score will carry a maximum of 100 marks. The Computer Based Test contributes 75 marks to the merit calculation and eligible contractual experience contributes up to 25 marks.
BTSC Fisheries Extension Officer Selection Stages 2026
- Computer Based Test
- Calculation of Eligible Contractual Experience Marks
- Preparation of Category-wise Merit List
- Document Verification
- Final Recommendation/Selection
BTSC Fisheries Extension Officer Merit Calculation 2026
| Selection Component | Maximum Marks |
|---|---|
| Computer Based Test | 75 Marks |
| Eligible Contractual Work Experience | 25 Marks |
| Total | 100 Marks |
The written examination itself will be conducted for 100 raw marks. For preparation of merit, the candidate’s written examination marks will be multiplied by 0.75. For example, if a candidate obtains 60 marks in the CBT, 45 marks will be considered towards the 75-mark written examination component of final merit.
BTSC Fisheries Extension Officer Exam Pattern 2026
The Fisheries Extension Officer written competitive examination will be conducted as a Computer Based Test. The paper will contain 100 objective multiple-choice questions carrying one mark each. Candidates will get two hours to complete the examination.
| Particular | Details |
|---|---|
| Exam Mode | Computer Based Test |
| Question Type | Objective Multiple Choice Questions |
| Total Questions | 100 |
| Raw Marks | 100 |
| Marks per Correct Answer | 1 Mark |
| Duration | 2 Hours |
| Negative Marking | 0.25 Mark for each Wrong Answer |
| Minimum Qualifying Marks | 30% |
| Written Exam Weightage in Final Merit | 75 Marks |
BTSC Fisheries Extension Officer Negative Marking 2026
Negative marking will be applicable in the Computer Based Test. One mark will be awarded for every correct answer and 0.25 marks will be deducted for each incorrect response.
| Response | Marks |
|---|---|
| Correct Answer | +1 Mark |
| Incorrect Answer | -0.25 Mark |
BTSC Fisheries Extension Officer Qualifying Marks 2026
The notification prescribes a minimum qualifying standard of 30% in the competitive examination. Candidates who do not obtain the prescribed minimum qualifying marks will not be considered further for selection.
BTSC Fisheries Extension Officer Normalization 2026
If the Computer Based Test is conducted in more than one shift, BTSC will adopt the prescribed normalization process and publish the normalized score card of candidates.
BTSC Fisheries Extension Officer Syllabus 2026
The questions in the Computer Based Test will be based on the syllabus prescribed by the concerned Department for appointment to the Fisheries Extension Officer post. The detailed syllabus will be published separately on the BTSC website. The present advertisement does not provide a topic-wise syllabus.
BTSC Fisheries Extension Officer Experience Marks 2026
Candidates who qualify the written examination can receive up to 25 marks for eligible satisfactory contractual service on the same post under the conditions prescribed in the notification. Marks for a fractional part of a year will be calculated proportionately.
| Particular | Details |
|---|---|
| Maximum Experience Marks | 25 Marks |
| Experience Calculation Cut-off | 24th September 2026 |
| Fractional Year | Proportionate marks as applicable |
| Experience Benefit | Available only to candidates qualifying the Written Examination and satisfying the notified conditions |
The relevant contractual service must be supported through the prescribed certificate. Merely mentioning experience without submitting the required proof will not provide any benefit.
BTSC Fisheries Extension Officer Document Verification 2026
Candidates qualifying the written examination will be shortlisted category-wise for Document Verification according to the applicable rules and merit. Candidates will be required to produce the original certificates corresponding to the documents uploaded with the online application.
Documents Checked During BTSC Fisheries Extension Officer Verification
- Matriculation Certificate for Date of Birth
- Fisheries Science Degree and all relevant Mark Sheets
- Category Certificate, wherever applicable
- Non-Creamy Layer Certificate for eligible BC/EBC candidates
- EWS Certificate, wherever applicable
- Bihar Domicile/Permanent Residence Certificate
- PwD Certificate, wherever applicable
- Freedom Fighter Descendant Certificate, wherever applicable
- Ex-Servicemen Certificate, wherever applicable
- Experience/Salary Payment Certificate, wherever experience marks are claimed
- Photo Identity Proof
- Other documents uploaded or claimed in the online application
If a certificate or mark sheet mentioned in the online application was not uploaded in the prescribed column, BTSC may not accept it at the Document Verification stage. Candidates should therefore upload every document supporting their eligibility and reservation claims while completing the online application.
BTSC Fisheries Extension Officer Recruitment 2026 FAQs
Ques: How many vacancies are announced under BTSC Fisheries Extension Officer Recruitment 2026?
Answer: Bihar Technical Service Commission has announced a total of 231 Fisheries Extension Officer vacancies.
Ques: What is BTSC Fisheries Extension Officer applications date?
Answer: The online BTSCFisheries Extension Officer application process is scheduled between 24th September 23rd October 2026.
Ques: What is BTSC Fisheries Extension Officer Apply Online Last Date?
Answer: The last date to submit online application is 23rd October 2026.
Ques: What is maximum age for Unreserved female candidates?
Answer: Maximum age limit for Unreserved female candidates is 40 years.
Ques: What is Pay Level for BTSC Fisheries Extension Officer?
Answer: The Fisheries Extension Officer post is placed in Pay Level 7.
Ques: What is BTSC Fisheries Extension Officer application fee?
Answer: The notification prescribes an online application fee of ₹100.
Ques: How many marks are there in the BTSC Fisheries Extension Officer CBT?
Answer: BTSC Fisheries Extension Officer CBT contains 100 questions for 100 raw marks. For final merit, the CBT score will carry a maximum weightage of 75 marks.
Ques: Is there negative marking in BTSC Fisheries Extension Officer Exam?
Answer: Yes. 0.25 marks will be deducted for every incorrect answer.
Ques: Will BTSC Fisheries Extension Officer exam be conducted online?
Answer: Yes. The written competitive examination will be conducted through Computer Based Test mode.
Ques: Will normalization be used in the BTSC Fisheries Extension Officer Exam?
Answer: If the examination is conducted in multiple shifts, BTSC will use the prescribed normalization process for preparing the score card.
Ques: Has BTSC released detailed Fisheries Extension Officer syllabus?
Answer: Latest advertisement states that detailed syllabus prescribed by concerned Department will be published separately on BTSC website.
Ques: Is Bihar domicile required for reservation benefits?
Answer: Yes. Reservation benefits are available according to the notified rules to eligible permanent residents of Bihar. Candidates residing outside Bihar will not receive Bihar State reservation benefits.