Mood: The mood of this video appears to be lively, energetic, and playful. The theme seems to revolve around youthful exuberance and possibly romance or flirtation, given the title 'Hasina Pagal Deewani' which translates to 'Beautiful Crazy Lover'. The overall emotion conveyed is upbeat and carefree.

Environment: The setting seems to be a colorful and vibrant space, likely a studio or a stage, given the bold and playful design elements. The background features a pink and purple gradient with rays of light emanating from the center, suggesting a dynamic and lively atmosphere. The presence of a female lead in traditional yet revealing attire hints at a music video or a song performance that might be set in a modern Indian or urban environment.