Mood: The mood of the video appears to be romantic and melancholic, with a sense of longing. The couple's body language and facial expressions suggest a deep emotional connection. The theme seems to be a heartfelt love song, possibly with a narrative of rekindling a past love, as hinted by the title 'Phir Se Zara' which translates to 'Once Again'.

Environment: The setting of the video seems to be outdoors, possibly in a park or a scenic spot, given the blurred green background. The natural lighting and the couple's casual attire suggest a relaxed and intimate atmosphere.