Mood: The mood of the video appears to be uplifting and inspirational, with a theme of new beginnings and restarting one's life. The title 'Chal Zero Pe Chalte Hain' roughly translates to 'Let's Start from Zero,' suggesting a fresh start. The overall emotion conveyed is one of hope, joy, and celebration.

Environment: The setting of the video seems to shift between a lively, crowded public space, possibly a street or market, and a more intimate, outdoor setting with trees in the background. The presence of a crowd in the top images suggests a public or communal setting, while the bottom image shows a more personal, family-like gathering.