: The film uses "empty spaces and shadows" to emphasize Karthik’s extreme loneliness and social anxiety. In a standard compressed stream, these dark scenes often suffer from "crushed blacks" or pixelation. On the Blu-ray (India) release, the 1080p bitrate preserves the deep, inky textures of his apartment at 5:00 AM.

: The psychological tension relies heavily on the auditory experience. The Blu-ray's uncompressed audio tracks ensure that the mysterious caller's voice feels like it’s inside your own head, mirroring Karthik's internal struggle with self-communication.

The core of the movie is the voice on the phone—a voice that sounds exactly like Farhan Akhtar.