Mood: The mood of the video appears to be romantic and intimate, with a sense of longing. The theme seems to revolve around love and relationships, with the title 'Agar Tu Hota' suggesting a yearning or missing of someone. The overall emotion conveyed is one of tender affection.

Environment: The setting of the video seems to be outdoors, possibly near a body of water, given the blue background that resembles the ocean or a lake. The natural lighting and the presence of a couple in a close, affectionate pose suggest a serene and picturesque location.