Mood: The mood of the video appears to be informal and conversational, likely an interview or a casual chat with the actor Vivaan Shah. The theme seems to be related to the film 'Happy New Year', possibly discussing the movie, its making, or the actor's experience. The overall emotion conveyed is one of excitement and anticipation, possibly related to the release of the film or the interview.

Environment: The setting of the video appears to be a promotional event or a press conference for the film 'Happy New Year'. The background suggests a professional setting with banners or posters, possibly at a film premiere, interview room, or a press meet. The atmosphere seems lively and engaging, with the use of bright colors and bold text.