Mood: The mood of this video appears to be romantic and intimate, with a focus on the emotional connection between two people. The theme seems to revolve around love, passion, and commitment, as hinted by the title 'Dil Ko Maine Di Kasam' which translates to 'I Gave My Heart an Oath'. The overall emotion exuded is one of longing and devotion.

Environment: The environment or setting of the video is not explicitly shown, but based on the promotional material, it seems to have a warm and soft aesthetic. The color palette and the close-up shot of the couple suggest a cozy and intimate setting, possibly indoors with a focus on the emotional intensity of the moment.