Mood: The mood of the video appears to be energetic and vibrant, with a sense of excitement and playfulness. The theme seems to revolve around love, relationships, or heartbreak, as suggested by the title 'Mere Dil Gaaye Ja'. The overall emotion conveyed is lively and attention-grabbing, with a hint of drama and passion.

Environment: The environment or setting of the video seems to be a dark or smoky background, possibly a nightclub or a dramatic indoor setting. The presence of sunglasses on the actors suggests a stylish and modern aesthetic. The overall setting appears to be urban and glamorous, with a focus on showcasing the artists and their music.