Mood: The mood of this video appears to be light-hearted and playful, with a hint of humor. The theme seems to revolve around fun, entertainment, and possibly relationships, given the title 'Sharmaji ki Lag Gayi' which translates to 'Sharmaji has been affected' or 'Sharmaji is in trouble', suggesting a comedic tone. The overall emotion conveyed is carefree and jovial.

Environment: The setting seems to be a studio or an indoor location with a green background that resembles a chalkboard or a green screen. The presence of a large glass of milk and the casual, quirky poses of the actors suggest a playful, possibly comedic setting. The environment looks modern and vibrant, aligning with the light-hearted mood of the video.