Mood: The mood of the video appears to be romantic and nostalgic. The title 'Pehle Kabhi Jo Na Hua' translates to 'What Never Happened Before', suggesting a theme of reminiscence and longing. The overall emotion conveyed is one of wistfulness and yearning.

Environment: The setting seems to be a dimly lit, possibly indoor location with a blurred background that could be a wall or a cityscape at dusk. The focus is on the woman, suggesting an intimate and personal atmosphere.