Mood: The mood of the video appears to be nostalgic and possibly humorous, given the title 'Bhoothnath Returns' and the presence of a well-known Indian actor, Amitabh Bachchan. The theme seems to be related to a Bollywood movie or song, likely a comedy or a family drama.

Environment: The setting of the video is not explicitly clear, but based on the title and the actor, it seems to be set in a possibly rural or small-town Indian environment, given the reference to 'Gange' (Ganges River) in the song title 'Har Har Gange'.