Mood: The mood of the video appears to be romantic and emotional, with a sense of longing. The theme seems to revolve around love and relationships, with the title 'HUMKO DEEWANA KAR GAYE' suggesting a sense of being driven mad by love. The overall emotion conveyed is one of intense feelings and passion.

Environment: The setting of the video is not explicitly clear, but based on the images of the man and woman, it appears to be a indoor or studio setting with a blurred background. The presence of film strip elements and the 'T-Series' logo suggests a music video or a movie clip.