Mood: The mood of the video appears to be nostalgic and sentimental, with a hint of romance. The title 'Aaj Bhi Dil Mein' translates to 'Even today, in my heart', suggesting a theme of enduring love or fond memories. The overall tone seems calm and introspective.

Environment: The setting appears to be a modern, well-lit room with a window in the background, allowing natural light to pour in. The presence of flowers outside the window adds a touch of serenity to the environment. The room is likely a domestic setting, possibly a living room or a bedroom.