Mood: The mood of the video appears to be light-hearted and playful, with a hint of mischief. The theme seems to revolve around a prank or a funny incident, as indicated by the text 'When Sharvari pranked Siddhant'. The overall tone is likely to be humorous and entertaining.

Environment: The setting of the video is not explicitly clear, but based on the background and the attire of the individuals, it appears to be a casual, possibly indoor or urban setting. The green background with dots suggests a modern or trendy environment.