Mood: The mood of the video appears to be nostalgic and possibly humorous, given the title 'Bhoothnath Returns' and the presence of Amitabh Bachchan, a legendary figure in Indian cinema. The theme seems to revolve around the return of a character, likely Bhoothnath, and may involve elements of comedy and drama.

Environment: The setting appears to be a university or college campus, with signs indicating various facilities such as a library, information counter, and main office. The presence of students and a casual atmosphere suggests an educational institution.