Mood: The mood of the video appears to be romantic and emotional, with a sense of longing. The title 'Tere Dar Pe Hum Chale Aaye Hain' translates to 'We Have Come to Your Doorstep', suggesting a theme of love, devotion, and possibly heartache. The overall tone seems melancholic and introspective.

Environment: The setting of the video seems to be a dimly lit, intimate space with warm lighting, possibly a indoor location with blurred background lights. The atmosphere appears cozy and emotive, fitting for a romantic song.