Mood: The mood of the video appears to be romantic and intimate, with a focus on love and relationships. The theme seems to be a musical expression of affection, given the title 'Meri Jaan Meri Jaan' which translates to 'My Life My Life' or 'My Dear My Dear', suggesting a deep emotional connection between two people.

Environment: The setting seems to be a bright and possibly outdoor location, given the lighting and the couple's attire. However, the exact setting is not clearly defined, as the focus is on the couple and the promotional material for the music mix.