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Bihar Public Service Commission, Patna
BPSC's Integrated Combined Competitive Examination fills Bihar's administrative, police, finance and other state cadres, such as SDO/Senior Deputy Co…
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BPSC DSO Previous Year Question Papers
District Statistical Officer / Assistant Director Competitive Examination
Bihar Public Service Commission, PatnaBihar7 papers · 2025–2026Verified 10 Oct 2026
Papers by year
About BPSC DSO
BPSC recruits District Statistical Officers / Assistant Directors for the Planning and Development Department, Bihar. Under Advertisement No. 38/2025, 47 posts were filled through a preliminary examination held on 03-08-2025, after which 574 candidates were called to a descriptive main examination, followed by an interview of 120 marks.
Eligibility (summary)
Under Advt. No. 38/2025, a master's degree in Statistics, Mathematics or Economics is required; age 21 to 37 for unreserved men on 01.08.2025 (40 for BC/EBC and unreserved women, 42 for SC/ST). Read the latest notification for exact age limits, relaxations and qualifications.
Stages & subjects
- 1
Preliminary Examination
Objective General Studies screening paper
- 2
Main (Written) Examination
General Hindi (qualifying), General Studies I and II, and one optional subject (Economics, Mathematics or Statistics)
- 3
Interview
Interview of 120 marks
General StudiesGeneral HindiEconomicsMathematicsStatistics
Exam pattern
Summarised from the official notification. Patterns change; confirm in the latest notice.
| Stage | Pattern |
|---|---|
| Preliminary Examination | One objective multiple-choice General Studies paper, 150 marks, 2 hours; minimum 40% (General), 36.5% (BC), 34% (EBC), 32% (SC/ST, women, PwD); screening only, ten times the vacancies called to the main examinationAdvt. No. 38/2025 · source |
| Main (Written) Examination | Descriptive papers of 3 hours each: General Hindi 100 (30 marks needed, not counted in merit), General Studies Paper I 300, General Studies Paper II 300, and one optional subject of 300 marks from Economics, Mathematics and Statistics. Answers may be written in Hindi, English or UrduAdvt. No. 38/2025 main examination · source |
| Interview | Interview of 120 marks for 2.5 times the vacancies; final merit on main and interview marksAdvt. No. 38/2025 main examination · source |
Preparing with BPSC DSO papers
- Start with the most recent paper (2026) to see the current style, then work backwards.
- Practise each stage separately: Preliminary Examination, Main (Written) Examination, Interview.
- Official answer keys are available for some years. Check your answers against them, not against unofficial solutions.
- Re-check the syllabus in the latest notification before relying on older papers.
FAQs
Where can I download BPSC DSO previous year papers?
PYQSathi lists 7 BPSC DSO papers from 2025 to 2026, each linked to its official source. Open the paper library above and pick a year.
Who conducts BPSC DSO?
BPSC DSO is conducted by the Bihar Public Service Commission, Patna. Notifications, dates and results are published on its official website.
Is this information official?
No. PYQSathi is independent. We summarise official documents and link to them, last checked 10 Oct 2026. Always confirm on the official website before applying.
Official sources
- Bihar Public Service Commission, Patna — official website
- BPSC Advertisement No. 38/2025, District Statistical Officer/Assistant Director (scanned, Hindi)
- BPSC Advertisement No. 38/2025, District Statistical Officer/Assistant Director Main (Written) Examination (scanned, Hindi)
- BPSC Question Booklets page
Last verified 10 Oct 2026. Spotted something out of date? Tell us.
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