Section 105 of the BNSS, 2023 lays down a specific new requirement for how police searches and seizures must be documented. Each option can be tested against what this provision actually mandates.
Only the audio-video recording requirement matches the actual reform introduced by Section 105; the witness-count, magistrate-presence, and confession options each describe something outside the scope of this provision.
So the correct answer is the documentation of the entire search and seizure process via audio-video electronic recording.