315. When a presiding Judge or Magistrate has recorded the evidence of a witness, he shall also record such remarks (if any) as he thinks material respecting the demeanour of such witness whilst under examination.
Bharatiya Nagarik Suraksha Sanhita, 2023
Section 315: Remarks respecting demeanour of witness
Chapter XXV — Evidence in Inquiries and Trials
Source: official text of the Bharatiya Nagarik Suraksha Sanhita, 2023 (Ministry of Home Affairs).