Mood: The mood of the video appears to be romantic and melancholic, with a sense of longing. The theme seems to revolve around love and heartache, as suggested by the title 'Ik Tu Hi Tu Hi' which translates to 'You are the only one'. The overall tone is introspective and emotive.

Environment: The setting of the video seems to be a warm and possibly nostalgic or dreamlike environment, given the orange-tinted background that resembles a sunset or a warm haze. The focus is on the protagonist, suggesting an intimate and personal narrative.