Mood: The mood of the video appears to be romantic and emotional, with a sense of longing. The theme seems to revolve around a past relationship or a lost love, as hinted by the song title 'Hummein Tummein Jo Tha' which translates to 'What was between us'. The emotion conveyed is melancholic and introspective.

Environment: The setting of the video appears to be a cozy, indoor environment, possibly a living room or a bedroom, with warm lighting. There are decorative elements in the background, including a lamp and possibly a bookshelf or a wall with framed pictures, which suggests a comfortable and intimate space.