Mood: The mood of the video appears to be romantic and melancholic, with a sense of longing. The theme seems to revolve around love, heartbreak, and possibly regret. The title 'Tujhe Bhoolna Toh Chaaha' translates to 'I wanted to forget you', hinting at a narrative of unrequited love or a past relationship.

Environment: The setting of the video seems to be a snowy outdoor location, possibly a hill station or a cold region. The snowfall and the attire of the characters suggest a cold weather setting, which complements the melancholic mood of the video.