Mood: The mood of the video seems to be a mix of humor, romance, and possibly some drama. The theme appears to revolve around relationships, possibly marriage or commitment, given the title 'Waada Mummy Ka' which translates to 'Promise of Mom', hinting at parental involvement in the relationship. The overall emotion exuded is light-hearted with a touch of seriousness.

Environment: The setting appears to be on a train, as suggested by the windows with metal grills and the bench they are sitting on. The presence of another person's face peeking from outside the window adds a sense of public or shared space, possibly indicating a crowded train. The urban setting and the attire of the characters suggest a contemporary, city-based storyline.