Mood: The mood of the video appears to be romantic and lighthearted, with a sense of playfulness and joy. The theme seems to revolve around love and relationships, with the title 'Chandni O Meri Chandni' suggesting a poetic and dreamy tone.

Environment: The setting of the video seems to be outdoors, possibly in a mountainous region, given the glimpse of mountains in the background. The couple's attire, including the woman's hat and the man's sweater, suggests a casual and relaxed atmosphere, possibly during a leisurely outing or a vacation.