Mood: The mood of the video appears to be romantic and youthful, with a hint of playfulness. The theme seems to revolve around relationships and possibly misunderstandings or unrequited love, as suggested by the title 'Nasamajh Tum'. The overall emotion conveyed is lighthearted and casual, with a focus on the chemistry between the two leads.

Environment: The setting of the video seems to be outdoors, likely in a park or a similar green space, given the lush greenery in the background. The presence of a railing and a bridge or walkway suggests a scenic or recreational area. The environment appears serene and natural, which complements the casual and youthful vibe of the video.