Mood: The mood of the video appears to be nostalgic and melancholic, with a hint of longing. The title 'Phir Uski Yaad Aa Gayi' translates to 'Again, memories of her came back', suggesting a theme of reminiscence and possibly heartbreak. The overall tone seems introspective and emotional.

Environment: The setting of the video appears to be a cozy, indoor space with warm lighting. There are framed pictures on the wall, and a lamp is visible in the background, creating a sense of comfort and intimacy. The setting seems to be a quiet, personal space, possibly a home or a study.