Mood: The mood of the video appears to be lively and energetic, with a sense of joy and celebration. The theme seems to be related to love, romance, and possibly drama, given the title 'Once Upon A Time In Mumbaai Dobaara!' which suggests a connection to the underworld or crime drama. The overall emotion conveyed is one of excitement and anticipation.

Environment: The setting of the video seems to be a crowded public space, possibly a street or a market in Mumbai, given the title and the attire of the people in the background. The presence of a crowd and the traditional clothing worn by the lead actors suggest a vibrant and festive atmosphere, possibly related to a cultural or social event.