Mood: The mood of the video appears to be light-hearted and humorous, with a theme of reaction and discussion. The images of people smiling and laughing suggest that the video will feature entertaining and possibly critical reactions to the trailer of the movie 'Shubh Mangal Zyada Saavdhan'. The overall tone seems to be casual and conversational.

Environment: The environment appears to be a mix of a home setting and possibly a public or outdoor setting. The images show people sitting on a couch in a home setting, while others appear to be in a more public or outdoor setting, possibly a vehicle or a park. The variety of settings suggests that the video may feature reactions from different people in different environments.