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 relationships, with the title 'tu Saath hai toh' suggesting a deep emotional connection. The overall emotion conveyed is one of affection and togetherness.

Environment: The setting of the video appears to be an urban or cityscape at night, with blurred lights and buildings in the background. The focus is on the two individuals, with the cityscape serving as a subtle backdrop to their romantic interaction. The warm glow of the lights suggests a cozy and intimate atmosphere.