Mood: The mood of the video appears to be romantic and nostalgic, with a hint of melancholy. The title 'Dil Bekaraar Pehle Na Tha' translates to 'My Heart Wasn't Like This Before', suggesting a longing for a past love or a change in emotions. The overall theme seems to revolve around love, heartbreak, and reminiscence.

Environment: The setting seems to be a romantic, possibly indoor location with a warm and intimate atmosphere. The background is blurred with heart-shaped bokeh lights, indicating a cozy and affectionate environment. The presence of a building or a structure in the background is subtle, suggesting that the focus is on the couple rather than the setting.