Mood: The mood of the video appears to be lighthearted and playful, with a hint of romance. The theme seems to be related to love or relationships, given the title 'Mohabbatein' which translates to 'Love'. The overall emotion evoked is one of excitement and anticipation, as indicated by the word 'TEASER'.

Environment: The setting of the video is likely to be a modern, urban environment in India, possibly a college or university campus, given the context of the movie 'Mohabbatein'. The background is minimalistic and white, suggesting a focus on the protagonist and the promotional material.