BPSC DSO Mains Form 2025: Bihar Public Service Commission (BPSC) has activated the Mains online form link on its official website.
The Mains form link will be active till December 12, 2025, until 11:59 PM. The commission has advised all candidates to visit only the official website for the latest updates.
The payment mode will be online (either via credit card or debit card or net banking, or UPI). The application fee is NIL for all category candidates. The Mains examination will be conducted as per the revised syllabus.
Those who clear the District Statistical Officer/Assistant Director (Main) Competitive Examination will be called for an interview.
BPSC DSO Mains Form 2025 Overview
The Bihar District Statistical Officer form 2025 is the official application for the next round of recruitment under advt. number 38/2025. Only those who have passed the prelims, held on 3 August 2025, are eligible. Submission is online through the BPSC portal.
| Bihar DSO Exam Overview | |
| Particular | Details |
| Notification Name | Bihar DSO Mains Form 2025 |
| Organization | Bihar Public Service Commission (BPSC) |
| Advertisement Number | 38/2025 |
| Post Name | District Statistical Officer (DSO) |
| Total Vacancies | 47 |
| Application Window | 22 November 2025 – 12 December 2025 |
| Prelims Exam Date | 03 August 2025 |
| Mains Exam Date | To be announced |
| Admit Card Release | To be announced |
| Exam Mode | Mains – Offline (Written) |
| Selection Stages | Prelims, Mains, Interview |
| Official Website | bpsc.bihar.gov.in |
The application requires you to upload your recent photograph, signature, and educational certificates. Read further to confirm the eligibility and documentation you must prepare.
BPSC DSO Mains Form 2025 Important Dates
BPSC DSO Mains Form 2025
Keep an eye on schedule. All key important dates have been given below:
| BPSC District Statistical Officer Important Dates 2025 | |
| Event | Date |
| Mains Online Registration Start | 22 November 2025 |
| Mains Registration End | 12 December 2025 |
| Admit Card Issue | To be announced |
| Mains Exam Date | To be announced |
How to Fill Bihar DSO and AD Mains Form Online 2025
- Bihar DSO Mains exam aspirants are advised to visit official login portal of BPSC here – https://bpsconline.bihar.gov.in/candidate/login
- On the right side corner, there is a login page.
- You can login either with registered email, mobile, or username and password.
- After successful login, search for “Adv. No: M038/2025 – District Statistical Officer / Assistant Director (Mains) Competitive Examination” link.
- Click on the link, and form will open.
- Fill each required section of the form with your details.
- During filling the for, you will be asked to upload educational documents and caste certificate (if required).
- Submit form and then take a print out for future reference.
Document Checklist for District Selection Officer Mains
Before uploading your form, verify you have these ready:
- Passport-size coloured photograph (recent, white/light background)
- Clear signature on white paper (use black or blue pen)
- Master’s Degree mark-sheet (Statistics/Mathematics/Economics)
- Identity Proof (Aadhaar Card, Voter ID, or other govt. ID)
- Valid Caste Certificate (SC/ST/OBC, if applicable)
- Domicile Certificate (proof of Bihar residency for Bihar state candidates)
- Income Certificate (for EWS applicants)
- PH/Ex-servicemen certificates (where applicable)
BPSC DSO Mains Form Fee
No fee is charged for the Mains form for prelims qualified candidates.
Bihar DSO Mains Exam Pattern
| BPSC District Statistical Officer Mains Examination Pattern | ||||
| Stage | Paper/Section | Marks | Duration | Type |
| Mains | General Hindi | 100 | 3 hours | Descriptive (Qualifying) |
| Mains | General Studies I | 300 | 3 hours | Descriptive |
| Mains | General Studies II | 300 | 3 hours | Descriptive |
| Mains | Optional (Math/Eco/Stats) | 300 | 3 hours | Descriptive |
| Interview | – | 120 | – | Viva/Oral |
Important Links
| Description | Link |
| BPSC DSO Mains Online Form | bpsconline.bihar.gov.in |
| Official Notification Download | Click here (PDF) |
| Official BPSC Main Website | bpsc.bihar.gov.in |
Also Check:
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- Bihar Board 10th Dummy Admit Card 2026
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FAQs on Bihar DSO Mains Form 2025
Who can access the Bihar DSO Mains Form 2025?
Only those who cleared the Bihar DSO Prelims 2025 are eligible for the Mains form.
What is the age criteria for the District Statistical Officer?
Age must be 21–37 for men, and up to 40 years for women as per the rules. Reserved categories get additional relaxation.
What documents are compulsory for the mains form?
A photograph, signature, master’s degree certificate, ID proof, domicile, caste, and (if applicable) EWS/PH/ex-servicemen certificates.
Is there any application fee for the mains form?
Mains form for qualified prelims candidates is free of charge. Prelims fee depends on category.
What is the salary for the selected District Statistical Officer?
Rs 53,100–1,67,800 per month as basic pay, plus allowances as per Bihar norms.
How many total posts are available under Bihar DSO recruitment 2025?
47 total vacancies, out of which 16 are reserved for women.