Mood: The mood of this video appears to be romantic and nostalgic, with a blend of melancholy and longing. The theme seems to revolve around love, heartbreak, and reminiscence, which are common in Indian music and cinema. The use of multiple images of couples in love suggests a mashup of various love stories or songs.

Environment: The environment or setting of the video seems to be a blend of modern and possibly traditional Indian backdrops, given the attire of the individuals and the style of the promotional material. However, the exact setting is not clearly defined, suggesting that the video might feature a variety of locations or a focus on the emotional journey rather than a specific physical environment.