Mood: The mood of the video appears to be romantic and nostalgic, evoking a sense of love and togetherness. The theme seems to be a musical compilation or a tribute to the on-screen chemistry of the two lead actors, Shah Rukh Khan and Deepika Padukone.

Environment: The environment/setting of the video seems to be a vibrant and colorful backdrop, possibly a festive or celebratory atmosphere, with a mix of bright lights and swirling patterns. The setting appears to be a stylized representation of a romantic ambiance, rather than a specific real-world location.