Mood: The mood of this video appears to be nostalgic and melancholic, with a focus on love and relationships. The use of pastel colors and collage of various scenes suggests a sentimental and emotive tone. The theme seems to revolve around the highs and lows of romantic relationships, with a hint of longing and heartache.

Environment: The setting of the video appears to be a mix of urban and intimate environments, possibly in India. The presence of a metro line in the title suggests a cityscape, while the various scenes depict moments of tender connection between couples in different settings, such as indoors and outdoors.