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Name Of The Post

BPSC DSO/AD Mains

Last Updated

14th June 2026

Importance of the Post

The BPSC DSO/AD examination is a significant recruitment process conducted by the Bihar Public Service Commission for key statistical and administrative roles in the state government. These positions offer stable career growth, opportunities for public service, and are highly respected within the administrative framework of Bihar. Success in this exam can lead to a prestigious government career with long-term prospects.

Highlighted Information

BPSC DSO and AD Mains admit cards now available for 2026 exam

Short Information

The Bihar Public Service Commission has released the admit card for the Mains examination of District Statistical Officer and Assistant Director posts for the 2026 cycle. A total of 47 vacancies are available for candidates holding a master's degree in Statistics, Mathematics, or Economics from a recognized university. The admit card provides details about the exam date, shift, and timing. Applicants who have successfully cleared the preliminary stage can now download their admit card to participate in the Mains exam. The selection process involves multiple stages, including the preliminary, mains, and interview rounds. Candidates must ensure their eligibility and check all instructions mentioned in the admit card PDF before appearing for the exam.

BPSC DSO/AD Mains Syllabus

View full syllabus

Quick Information

Department

Recruitment notification issued by Bihar Public Service Commission.

Stage Level

Held at the National level, applicants from this scope are eligible.

Job Type

Permanent role offered for selected candidates.

Exam Mode

Examination conducted: Offline Computer Based.

Applicants Gender

Eligibility extends to All applicants.

Eligibility

Other Qualification

Applicants must have completed their master's degree in Statistics, Mathematics, or Economics by the application deadline.

Age Criteria

Minimum Age	21 year old21 year old
Maximum Age	37 year old37 year old
Age Relaxation	Age relaxation for Assistant Section Officer positions is provided according to BPSC regulations.Age relaxation for Assistant Section Officer positions is provided according to BPSC regulations.

Vacancy

Detail

Post Name	Total Post
District Statistical Officer/Assistant DirectorDistrict Statistical Officer/Assistant Director	4747

Common Information

Trends

Points: Year Vacancies
20262026 4747
Computed At: 11th June 202611th June 2026

Year	Vacancies
20262026	4747

Application Fees

Category Wise

General	600 Rs/-600 Rs/-
Obc	600 Rs/-600 Rs/-
Ews	600 Rs/-600 Rs/-
Sc

Important Dates

Applications open	Predicted 3rd June 2027Predicted 3rd June 2027
Application closes	Predicted 24th June 2027Predicted 24th June 2027
Exam Fee Payment End Date	Predicted 24th June 2027Predicted 24th June 2027
Admit Card Release Date	Predicted 31st July 2027

Important Links

Official Website	Visit bpsc.bihar.gov.in, Official WebsiteVisit bpsc.bihar.gov.in, Official Website
Apply Online	Login (bpsconline.bihar.gov.in), Apply OnlineLogin (bpsconline.bihar.gov.in), Apply Online
Download Notification	Click here
Get Admit Card

Other Information

History Collection Target

Rank 338 Target For 5 Year History Collection Required Field Paths Dates Admit Card Release Date Entries Dates Answer Key Release Date Entries Dates Application End Date Entries Dates Application Start Date Entries Dates Exam Date Entries Dates Exam Fee Payment End Date Entries Dates Result Announcement Date Entries Common Vacancy Entries Fee Entries Common Age Criteria History Entries Dynamic Fields Omr Sheet Entries

Section	Topics
Prelims Paper-I — General StudiesPrelims Paper-I — General Studies	Current events of national, international and Bihar state importance; Indian History — ancient, medieval, modern, freedom movement; History & culture of Bihar; Indian & Bihar Geography — physical, social, economic; Indian & Bihar Polity, Constitution & Governance; Economic & social development; Environmental ecology, biodiversity & climate change; General science & technology; Static GK relevant to Bihar.Current events of national, international and Bihar state importance; Indian History — ancient, medieval, modern, freedom movement; History & culture of Bihar; Indian & Bihar Geography — physical, social, economic; Indian & Bihar Polity, Constitution & Governance; Economic & social development; Environmental ecology, biodiversity & climate change; General science & technology; Static GK relevant to Bihar.
Prelims Paper-II (CSAT — qualifying)Prelims Paper-II (CSAT — qualifying)	Comprehension; Interpersonal skills; Logical & analytical reasoning; Decision making; Mental ability; Class X-level numeracy; Data interpretation.Comprehension; Interpersonal skills; Logical & analytical reasoning; Decision making; Mental ability; Class X-level numeracy; Data interpretation.
Mains — General Studies (multiple papers)Mains — General Studies (multiple papers)	GS Paper-I — Indian heritage & culture, history & geography of India and Bihar, world history. GS Paper-II — Indian Constitution, polity, social justice, international relations, governance. GS Paper-III — Indian economy, agriculture, science & technology, environment, security, disaster management. GS Paper-IV — Ethics, integrity & aptitude with case studies.GS Paper-I — Indian heritage & culture, history & geography of India and Bihar, world history. GS Paper-II — Indian Constitution, polity, social justice, international relations, governance. GS Paper-III — Indian economy, agriculture, science & technology, environment, security, disaster management. GS Paper-IV — Ethics, integrity & aptitude with case studies.
Mains — Compulsory Language & English Papers (qualifying)Mains — Compulsory Language & English Papers (qualifying)	State language paper — comprehension, précis, essay, translation in the official language of Bihar. English language paper — comprehension, précis, essay, grammar.State language paper — comprehension, précis, essay, translation in the official language of Bihar. English language paper — comprehension, précis, essay, grammar.
Mains — Optional Subject (where applicable)Mains — Optional Subject (where applicable)	Candidate's chosen optional from the list provided in the Bihar PSC notification — usually 25-30 subjects covering humanities, sciences, languages.Candidate's chosen optional from the list provided in the Bihar PSC notification — usually 25-30 subjects covering humanities, sciences, languages.
Personality Test / InterviewPersonality Test / Interview	Conducted by the Bihar Public Service Commission. Assesses leadership, communication, decision-making, awareness of state-specific affairs and suitability for civil service.Conducted by the Bihar Public Service Commission. Assesses leadership, communication, decision-making, awareness of state-specific affairs and suitability for civil service.

Section

Topics

Prelims Paper-I — General Studies

Current events of national, international and Bihar state importance; Indian History — ancient, medieval, modern, freedom movement; History & culture of Bihar; Indian & Bihar Geography — physical, social, economic; Indian & Bihar Polity, Constitution & Governance; Economic & social development; Environmental ecology, biodiversity & climate change; General science & technology; Static GK relevant to Bihar.

Prelims Paper-II (CSAT — qualifying)

Comprehension; Interpersonal skills; Logical & analytical reasoning; Decision making; Mental ability; Class X-level numeracy; Data interpretation.

Mains — General Studies (multiple papers)

GS Paper-I — Indian heritage & culture, history & geography of India and Bihar, world history. GS Paper-II — Indian Constitution, polity, social justice, international relations, governance. GS Paper-III — Indian economy, agriculture, science & technology, environment, security, disaster management. GS Paper-IV — Ethics, integrity & aptitude with case studies.

Mains — Compulsory Language & English Papers (qualifying)

State language paper — comprehension, précis, essay, translation in the official language of Bihar. English language paper — comprehension, précis, essay, grammar.

Mains — Optional Subject (where applicable)

Candidate's chosen optional from the list provided in the Bihar PSC notification — usually 25-30 subjects covering humanities, sciences, languages.

Personality Test / Interview

Conducted by the Bihar Public Service Commission. Assesses leadership, communication, decision-making, awareness of state-specific affairs and suitability for civil service.