Mood: The mood of the video appears to be melancholic and introspective, with a sense of longing. The theme seems to revolve around heartbreak, isolation, or yearning, as suggested by the title 'Tanhaai' which translates to 'loneliness' or 'solitude' in English. The overall emotion conveyed is somber and reflective.

Environment: The environment or setting of the video seems to be a dimly lit, possibly indoor location with a focus on the artist, Tulsi Kumar. The presence of a car window in the image suggests that some scenes might be shot inside a vehicle or at least involve a car as a significant prop. The dark and moody lighting indicates a nighttime setting or a stylized indoor setup.