Mood: The mood of the video appears to be romantic and upbeat, with the couple exuding a sense of joy and togetherness. The theme seems to revolve around love and relationships, with the title 'Jab se Mera Dil' suggesting a sense of longing or devotion. The overall emotion conveyed is one of happiness and affection.

Environment: The setting of the video appears to be an urban or cityscape environment, with buildings and structures visible in the background. The presence of architectural details such as arches and columns suggests a possibly older or more traditional setting, but the overall feel is modern and contemporary. The bright and sunny atmosphere adds to the upbeat and romantic mood of the video.