The BPSC DSO Mains Exam 2025- The registration form will open for Mains exam on 22 November for the candidates who have qualified in the preliminary exam
BPSC DSO Mains Exams Overview
The BPSC DSO (District Statistical Officer) Main Exam is a crucial stage following the prelims exam for the BPSC DSO recruitment. Candidates who clear the prelims are eligible for the mains, which focuses on descriptive papers. The main exam typically covers general studies, urban administration, and Bihar-specific governance topics. The Mains exam evaluates the candidate’s analytical skills, writing ability, and knowledge depth.
The exam conducted in the state in August and result came in November 2025.
574 candidates qualified for the Main exam
Schedule
| Application form Opens for Mains Exam | 22-Nov |
| Application form Closes for Mains Exam | 12-Dec |
BPSC DSO Mains Exam Application fee
No application fee for Mains exam
BPSC DSO Mains Exam Merit List
The BPSC will prepare the merit list after the Mains and Interview which will be out on the official website of BPSC in due course of time
Marks for Interview
120
BPSC DSO Mains Exam Admit Card
The admit card will be released for the DSO Mains exam. It will be releasing on the official website of BPSC. The candidate can download by entering their details
BPSC DSO Mains Exam Key details
- The mains exam papers include General Hindi (100 marks, qualifying), General Studies Paper I and II (300 marks each), and an optional subject paper in Economics, Mathematics, or Statistics (300 marks).
- The exam duration is usually around 3 hours.
- Candidates need to focus on Bihar governance, statistical concepts, and general knowledge related to the state and administration.
- The Interview will follow after the mains exam which carries 120 marks.
- Performance in mains is very important for the final merit list.
- Eligibility requires a postgraduate degree in Statistics, Mathematics, or Economics.
- The selection process includes prelims (objective), mains (descriptive), and interview rounds.
The last DSO prelims exam held on August 3, 2025, and mains/interview dates will be announced by BPSC. Preparation programs offer guided solutions, previous year paper analysis, model answer writing, and focus on Bihar-specific governance and policy insights to help candidates succeed.
If detailed syllabus or preparation strategy is needed, specific coaching or material can be referred to as it includes statistical knowledge, general studies, reasoning, and writing skills for Bihar governance topics.
This summary gives a comprehensive overview of the BPSC DSO mains exam and its requirements.
BPSC DSO Mains Exam FAQs
The total number of vacancies are 47 and 574 candidates will be appearing in the Mains exam
The Subjects are General Studies I and II and General Hindi, you have choice to select the subject from optional paper
No there is no negative marking as the Mains exam
For general it is 40 percent, BC 36.5% ,MBC 34 % and for SC/ST/PWD it is 32 %, but suggestable candidate must aim for higher percentage as it will increase their chance of being in the Merit list
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