Mood: The mood of the video appears to be romantic and intimate, with a sense of passion and chemistry between the two leads. The theme seems to revolve around love and desire, with the title 'Mere Dil Gaaye Ja' suggesting a longing or yearning. The overall emotion conveyed is one of sensuality and closeness.

Environment: The setting of the video seems to be a dark and intimate space, possibly a private room or a secluded area. The dim lighting and close proximity of the two leads suggest a private and romantic atmosphere. The background is not clearly visible, but it appears to be a indoor setting with a dark color scheme.