Mood: The mood of the video appears to be romantic and introspective, with a sense of longing. The theme seems to revolve around heartbreak or unrequited love, as suggested by the title 'Dil Kyun Yeh Mera', which translates to 'Why Is This My Heart'. The overall emotion conveyed is melancholic and contemplative.

Environment: The setting of the video seems to be outdoors, possibly in a garden or a park, given the blurred greenery and flowers in the background. The natural setting and soft focus suggest a serene and peaceful atmosphere, which contrasts with the emotional turmoil that might be expressed in the video.