Mood: The mood of the video appears to be melancholic and introspective, with a sense of longing. The theme seems to revolve around heartbreak, loss, or separation, as suggested by the title 'Khoya Khoya', which translates to 'lost' or 'misplaced'. The overall emotion conveyed is one of wistfulness and nostalgia.

Environment: The setting of the video appears to be an urban landscape, likely a cityscape in a Western country, given the architecture and the attire of the protagonist. The background features tall buildings and a busy street, but the focus is on the solitary figure of the man, suggesting a sense of isolation despite being in a bustling environment.