Mood: The mood of this video appears to be romantic and light-hearted, with a touch of playfulness. The presence of heart symbols and the title 'Dil Na Jaaneya' which translates to 'Don't Know My Heart', suggests a theme of love, relationships, and possibly heartbreak. The overall tone seems to be upbeat and carefree.

Environment: The environment or setting of the video is not explicitly clear, but based on the attire and the overall aesthetic, it seems to be a modern, urban setting. The outfits worn by the individuals suggest a casual, contemporary style, possibly indicating a music video or a romantic comedy film.