Mood: The mood of the video appears to be light-hearted and comedic, with a theme of playfulness and silliness. The use of a black and white background with a pop of color on the main subjects and text suggests a sense of fun and creativity. The title 'Hum Pagal Nahin Hai' which translates to 'We are not mad' in English, implies that the video may be about people who are perceived as crazy or eccentric, but are actually not.

Environment: The environment appears to be an outdoor setting, possibly a park or a street, with a building in the background that resembles a gazebo or a small pavilion. The presence of people in the background suggests a public place, but the focus is on the two main subjects in the foreground. The setting seems to be urban or suburban, with a mix of architecture and greenery.