Mood: The mood of the video appears to be romantic and playful, with a hint of flirtation. The theme seems to revolve around love or infatuation, as suggested by the title 'Pehli Dafa' which translates to 'first offense' or 'first mistake', implying a sense of being smitten or making a mistake by falling in love.

Environment: The setting of the video seems to be outdoors, possibly in a natural or garden-like environment, as indicated by the blurred green background. The focus is on the protagonist, who is dressed in casual attire, suggesting a relaxed and informal setting.