Mood: The mood of the image is melancholic and introspective, with a sense of longing. The title 'Zehreela Nasha' translates to 'Poisonous Addiction', suggesting a theme of obsession or toxic relationships. The overall emotion conveyed is one of sadness and contemplation.

Environment: The setting appears to be a cityscape, possibly London, with a modern bridge and a river in the background. The cloudy and overcast sky adds to the somber mood of the image. The man in the foreground is sitting on a bridge, looking out at the city, suggesting a sense of isolation and disconnection.