There is no specific syllabus mentioned for the comprehension, interpersonal skills, including communication skills section in the BPSC (Bihar Public Service Commission) exam. However, candidates should focus on certain key areas to perform well in this section.

Comprehension:
- Reading Comprehension: Candidates should practice reading various types of passages and improve their reading speed and comprehension skills. They should focus on understanding the main idea, supporting details, and drawing inferences from the given text.

Interpersonal Skills:
- Understanding Human Behavior: Candidates should have a basic understanding of human behavior and psychology. They should be aware of different personality types, emotions, and how people react in different situations.
- Conflict Resolution: Candidates should be familiar with different conflict resolution techniques and strategies. They should know how to handle conflicts and find solutions that are beneficial for all parties involved.
- Teamwork and Collaboration: Candidates should understand the importance of teamwork and collaboration in achieving common goals. They should have good interpersonal skills to work effectively with others in a team setting.
- Leadership: Candidates should be aware of the qualities and skills required to be an effective leader. They should understand different leadership styles and be able to motivate and inspire others.

Communication Skills:
- Verbal Communication: Candidates should have good command over the language and should be able to express their thoughts and ideas clearly. They should practice speaking fluently and confidently.
- Non-Verbal Communication: Candidates should be aware of non-verbal cues such as body language, facial expressions, and gestures. They should understand how to use non-verbal communication effectively to convey their message.
- Written Communication: Candidates should have good writing skills and should be able to present their ideas in a clear and concise manner. They should practice writing essays, letters, and reports to improve their written communication skills.

In addition to the above, candidates should also focus on improving their critical thinking, problem-solving, and decision-making skills as these are important aspects of comprehension, interpersonal skills, and communication skills. They should stay updated with current affairs and general knowledge to enhance their overall understanding and performance in this section.