Mood: The mood of the video appears to be romantic and melancholic, with a hint of longing. The title 'O Re Piya' suggests a sense of yearning and love. The overall theme seems to be centered around love, relationships, and possibly heartbreak.

Environment: The setting of the video seems to be outdoors, possibly in a garden or a park, with lush greenery visible in the background. The presence of a woman with traditional Indian attire and jewelry suggests that the video may be set in India or have an Indian cultural context.