Mood: The mood of the video appears to be romantic and melodic, with a sense of longing. The theme seems to revolve around love and emotions, given the title 'Humdard', which translates to 'loving' or 'affectionate'. The overall emotion conveyed is one of intimacy and musical expression.

Environment: The setting of the video seems to be a cityscape at night, with tall buildings and lit windows in the background. The woman in the foreground appears to be in a studio or a performance setting, holding a microphone and dressed in a glamorous outfit. The dark background with city lights suggests a nighttime performance or recording session.