Mood: The mood of the video appears to be intense and dramatic, with a sense of foreboding. The theme seems to revolve around crime, power, and possibly revenge, given the title 'Once Upon A Time in Mumbaai Dobaara' and the word 'BISMILLAH', which is often associated with taking an oath or making a significant decision. The overall emotion conveyed is one of seriousness and anticipation.

Environment: The setting of the video seems to be a dark and gritty urban environment, likely Mumbai, given the title 'Once Upon A Time in Mumbaai Dobaara'. The cityscape is not directly shown but inferred through the context and the tone of the image. The focus is on the characters and their interactions rather than the physical setting.