Bihar BPSC DSO / AD Mains Recruitment 2025 is a valuable recruitment drive in teh governemnt sector. The candidates who were awaiting for this opportunity can now apply for this recruitment process. There are a total of 47 vacancies. Find all the important details related to the recruitment drive from application to teh eligibility requirements. Find all the details at one place in this comprehensive guide. Apply online for 47 vacancies through the official BPSC website before 12 December 2025.
Important Dates-BPSC DSO / AD Mains Recruitment 2025
Below is the table showing the important dates related to the Bihar BPSC DSO / AD Mains Recruitment 2025 for candidates’ convenience.
| Event | Date |
| Notification Release Date | 01 June 2025 |
| Application Start Date | 03 June 2025 |
| Last Date to Apply | 24 June 2025 |
| Application Fee Payment Last Date | 24 June 2025 |
| Prelims Exam Date | 03 August 2025 |
| Admit Card Release Date | 31 July 2025 |
| Mains Application Start Date | 22 November 2025 |
| Mains Application Last Date | 12 December 2025 |
Eligibility Requirements
| Criteria | Details |
| Educational Qualification | Post Graduation degree in any stream from a recognized university |
| Age Limit | Generally 21 to 37 years (as per official notification) |
| Residency | Preference given to Bihar state permanent residents |
Application Fee-BPSC DSO / AD Mains Recruitment 2025
The application fee for the Bihar BPSC DSO / AD Recruitment 2025 varies depending on the category:
| Category | Application Fee |
| General, OBC, EWS | ₹600 |
| SC, ST, Bihar Female Candidates | ₹150 |
| Physically Handicapped (PH) | ₹200 |
Payment can be made online via debit/credit card, net banking, or UPI.
PSC DSO/AD Selection Process 2025
The Bihar BPSC DSO/AD recruitment follows a three-stage process: Preliminary Exam, Mains Exam, and Interview, followed by Document Verification.
- Preliminary Exam: Objective screening test (150 marks, 2 hours) on General Studies; marks not added to final merit; ~10x vacancies qualify for Mains.
- Mains Exam: Subjective papers including General Hindi (qualifying, 100 marks), General Studies I & II (300 marks each), and optional subject (Economics/Mathematics/Statistics, 300 marks); total 1000 marks.
- Interview: 120 marks for shortlisted Mains qualifiers (~2.5x vacancies called).
- Document Verification: Final stage for selected candidates.
Salary Structure
The salary for the District Statistical Officer / Assistant Director posts under BPSC 2025 is as per Pay Level 9 of the 7th Central Pay Commission.
| Pay Level | Basic Pay Range | Allowances Included |
| Level 9 | ₹53,100 – ₹1,67,800 | Dearness Allowance (DA), House Rent Allowance (HRA), Travel Allowance, Medical Allowance, etc. |
The in-hand salary generally ranges between ₹60,000 to ₹72,000 per month depending on allowances and deductions.
Steps to Apply Online
- Visit the official Bihar Public Service Commission website:
- https://bpsc.bihar.gov.in/
- Click on the ‘DSO / AD Mains Online Application’ link (active from 22 November 2025).
- Log in using your preliminary exam roll number or registration details.
- Fill out the application form with accurate personal and educational details.
- Upload scanned copies of photograph, signature, and other required documents.
- Pay the application fee online using available payment methods.
- Submit the completed application and take a printout for future reference.
Key Points to Remember
- Only candidates who qualify prelims are eligible for the mains application.
- Application fees differ by category and must be paid before the deadline.
- Admit cards will be available on the official website before exam dates.
- Selection involves prelims, mains, interview, and document verification stages.
- Age relaxation and reservation as per Bihar government rules apply.
- Keep all documents and admit cards safely for future stages.
Important Links
| Description | Link |
| Official BPSC Website | Click Here |
| BPSC DSO/AD Notification 2025 | Click Here |
| Apply Online Link | Click Here |
| Previous Year Question Papers | Click Here |
| Contact & Helpdesk | Click Here |
FAQs- BPSC DSO / AD Mains Recruitment 2025
There are 47 vacancies announced for District Statistical Officer / Assistant Director posts.
Candidates must have a postgraduate degree in any stream from a recognized university.
The fee is ₹600 for General/OBC/EWS candidates, ₹150 for SC/ST and Bihar female candidates, and ₹200 for PH candidates.
Salary ranges from ₹53,100 to ₹1,67,800 per month with applicable allowances.
The mains application window opens on 22 November 2025 and closes on 12 December 2025.
Applications can be submitted through the official BPSC website by logging in with prelims details.
The selection consists of Preliminary exam, Mains exam, Interview, and Document Verification stages.
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