Mood: The mood of the video appears to be informative and behind-the-scenes, with a theme of showcasing the creative team behind a project called 'The Bengal Files'. The emotion conveyed is professional and enthusiastic, with a sense of pride in the team's work.

Environment: The environment or setting of the video seems to be on a film or movie set, likely during the production of 'The Bengal Files'. The presence of a director, writers, researchers, and other crew members suggests a collaborative and creative workspace.