Mood: The mood of the video appears to be romantic and sentimental, with a focus on love and longing. The title 'Tujhe Bhoolna Toh Chaaha' translates to 'I Wanted to Forget You', suggesting a theme of heartbreak and nostalgia. The overall emotion conveyed is melancholic and introspective.

Environment: The setting of the video seems to be a cold, snowy environment, possibly a hill station or a mountainous region. The background features a subtle image of trees and snowfall, creating a serene and peaceful atmosphere.