Mood: The mood of the video appears to be melancholic and introspective, with a sense of longing. The theme seems to be related to love or heartbreak, given the title 'Piya Aaye Na' which translates to 'My Love Came' or 'My Beloved Came'. The overall emotion conveyed is one of yearning and nostalgia.

Environment: The environment or setting of the video is not explicitly shown, but based on the color scheme and the man's attire, it appears to be a modern, urban setting, possibly a cityscape or a studio. The dominant colors are purple, black, and white, which suggests a contemporary and minimalist aesthetic.