Mood: The mood of the video appears to be nostalgic and playful, evoking a sense of carefree childhood. The theme seems to revolve around the joys and innocence of childhood, as suggested by the title 'Bachpan' which translates to 'childhood' in English. The overall emotion conveyed is lighthearted and joyful.

Environment: The setting of the video appears to be outdoors, possibly in a rural or natural environment, as indicated by the presence of grass and dry leaves in the background. The casual attire of the individuals and the relaxed atmosphere suggest a laid-back, informal setting.