Mood: The mood of the video appears to be fun, carefree, and playful, with a sense of youthful energy. The theme seems to revolve around friendship, enjoyment, and possibly mischief, as hinted by the title 'Hum Hain Teen Khuraafati' which translates to 'We are three mischievous ones'. The overall emotion conveyed is light-hearted and entertaining.

Environment: The setting of the video seems to be a swimming pool area, likely a resort or a private pool, given the presence of a large inflatable float and a colorful slide. The environment suggests a summer setting or a vacation vibe, with the men dressed in casual, summery attire.