Mood: The mood of the video appears to be romantic and intimate, with a sense of longing. The theme seems to revolve around love and relationships, with the title 'Hai Kaisi Kaisi' suggesting a questioning or wondering tone, possibly about the nature of a relationship or the emotions involved.

Environment: The setting of the video seems to be a dark or dimly lit space with neon lights, creating a modern and edgy ambiance. The focus is on the two main characters, suggesting that the video could be shot in a studio or a controlled environment with a focus on the performers.