Mood: The mood of the video appears to be romantic and introspective, with a sense of longing. The theme seems to revolve around relationships and emotions, as suggested by the title 'Dil Mein Ho Tum', which translates to 'You Are In My Heart'. The overall emotion conveyed is one of love and yearning.

Environment: The setting of the video appears to be a rustic, old building with a yellow wall and wooden furniture. The presence of plants and the worn-out look of the door and window frames suggest a vintage or heritage setting. The atmosphere seems calm and serene, with a hint of nostalgia.