Mood: The mood of the video appears to be romantic and playful, with a sense of closeness and affection between the two leads. The theme seems to revolve around love, relationships, and possibly heartbreak, given the title 'Dil Diya Gallan' which translates to 'I Gave You My Heart'. The overall emotion exuded is lighthearted and carefree.

Environment: The setting of the video seems to be outdoors, possibly during the daytime given the clear sky in the background. The gradient of blue to beige in the background suggests a serene and peaceful environment, possibly a park or an open field. The focus, however, remains on the couple, indicating that the primary setting is their intimate and emotional connection.