Mood: The mood of the video appears to be romantic and melancholic, with a sense of longing. The theme seems to revolve around love and heartbreak, with the title 'Vada Humse Karo' suggesting a promise or vow between two people. The overall tone is emotive and sentimental.

Environment: The setting of the video seems to be a mix of natural and urban landscapes. The background features a starry night sky, mountains, and a body of water, suggesting a serene and peaceful environment. However, the presence of a cityscape or a road in the background also implies a sense of movement and activity.