Mood: The mood of the video appears to be melancholic and introspective, with a sense of longing. The title 'Tu Nahi Aaya' which translates to 'You Didn't Come', suggests a theme of separation, missed connections, or unrequited love. The overall tone seems to be emotive and heartfelt.

Environment: The setting of the video is not explicitly clear, but based on the warm and golden lighting, it appears to be an indoor or dimly lit outdoor setting, possibly during the daytime. The blurred background suggests a studio or a controlled environment.