Mood: The mood of the video appears to be romantic and nostalgic, with a sense of longing. The theme seems to revolve around a person's search for their loved one, as indicated by the phrase 'Kaha hai tu?' which translates to 'Where are you?'. The overall emotion conveyed is one of yearning and wistfulness.

Environment: The setting of the video seems to be a tropical or beachside location, with palm trees visible in the background. The sky is blue with clouds, and there are planes flying in the distance, suggesting a serene and peaceful atmosphere. The presence of a couple in the background, silhouetted against the sky, adds to the romantic ambiance.