Mood: The mood of the video appears to be romantic and intimate, with a sense of warmth and closeness between the two individuals. The theme seems to revolve around love and togetherness, with the title 'Saath Tera' suggesting a deep emotional connection. The overall emotion conveyed is one of tenderness and affection.

Environment: The setting of the video appears to be outdoors, possibly in a mountainous or hilly area, given the dark blue background that suggests a nighttime sky. The presence of fire in the bottom right corner adds to the cozy and intimate ambiance, hinting at a camping or bonfire setting.