Mood: The mood of the video appears to be lively and celebratory, with a mix of traditional and modern elements. The theme seems to be a fusion of different musical styles, as indicated by the mashup title, and possibly a blend of cultural and social elements. The overall emotion conveyed is one of joy and festivity.

Environment: The setting of the video seems to be a vibrant and dynamic environment, possibly a wedding or a party, given the traditional Indian attire and the lively background. The purple background with a collage of images suggests a lively and energetic atmosphere, possibly a night-time setting with flashing lights or a photo booth.