Mood: The mood of the video appears to be romantic and upbeat, with a sense of joy and togetherness. The theme seems to revolve around love and relationships, likely showcasing a musical performance or a romantic sequence. The overall emotion exuded is lighthearted and cheerful.

Environment: The setting seems to be an urban or semi-urban backdrop, possibly a train or a railway station, given the reference to the movie 'Jab We Met'. The background is blurred, focusing attention on the lead pair.