Mood: The mood of the video appears to be romantic and intimate, with a focus on love and relationships. The theme seems to revolve around the emotions and feelings associated with first love, as hinted by the title 'Pehla Pyaar' which translates to 'First Love'. The overall emotion conveyed is one of tenderness, affection, and closeness.

Environment: The setting of the video seems to be a mix of various locations, as indicated by the collage of images in the background. However, the primary focus is on the couple in the foreground, who appear to be in a quiet, intimate setting. The environment seems to be more of an emotional or psychological space, exploring the depths of the couple's relationship, rather than a specific physical location.