Yes, there is an interview stage in the BPSC Civil Services exam.

The BPSC (Bihar Public Service Commission) Civil Services exam is a prestigious examination conducted to recruit candidates for various administrative positions in the state of Bihar, India. The selection process consists of three stages: Preliminary Exam, Main Exam, and Interview.

Preliminary Exam:
- The Preliminary Exam is the first stage of the BPSC Civil Services exam. It is an objective-type exam consisting of two papers: General Studies Paper I and General Studies Paper II (CSAT).
- The General Studies Paper I covers topics such as Indian History, Polity, Geography, Economy, Science, Current Affairs, etc.
- The General Studies Paper II (CSAT) tests the candidates' analytical and reasoning skills.
- The Preliminary Exam serves as a screening test, and only those candidates who qualify for this stage are eligible to appear for the Main Exam.

Main Exam:
- The Main Exam is the second stage of the BPSC Civil Services exam. It consists of a written examination followed by an interview.
- The Main Exam is subjective in nature and comprises six compulsory papers and one optional paper. The compulsory papers include General Hindi, General Studies Paper I, General Studies Paper II, General Studies Paper III, General Studies Paper IV, and an Essay paper.
- The optional paper allows candidates to choose a subject of their choice from a list of subjects provided by the commission.
- The Main Exam is conducted to assess the candidates' knowledge in various subjects and their ability to express their thoughts effectively through writing.

Interview:
- The interview stage is the final stage of the BPSC Civil Services exam. It is conducted to evaluate the candidates' personality, communication skills, and overall suitability for the administrative positions.
- The interview panel consists of experts from various fields who assess the candidates based on their knowledge, confidence, problem-solving skills, decision-making abilities, and leadership qualities.
- The interview is usually conducted in a formal setting, and candidates are expected to dress appropriately and present themselves professionally.
- The interview is an integral part of the selection process, and the final merit list is prepared based on the combined scores of the Main Exam and the interview.

Conclusion:
The interview stage in the BPSC Civil Services exam plays a crucial role in determining the final selection of candidates for administrative positions in Bihar. It assesses the candidates' overall personality and suitability for the roles they are applying for. Candidates should prepare for the interview by enhancing their communication skills, staying updated with current affairs, and being confident in their knowledge and abilities.