Mood: The mood of the video appears to be romantic and sultry, with a sense of longing. The theme seems to revolve around love and relationships, with the title 'Ek Toh Kum Zindagani' suggesting a bittersweet tone. The overall emotion conveyed is one of melancholic yearning.

Environment: The setting appears to be a dimly lit, intimate space with a warm and cozy atmosphere. The background features a wall with vertical lines, possibly a room or a hallway, and there are lights visible in the distance, adding to the warm ambiance.