According to Section 21-H, a confession voluntarily made by the accused during an investigation is admissible in court if it is given before a police officer holding a rank not lower than _________, provided the Court considers it appropriate. Which rank is specified?

Explanation

Section 21-H states that a confession made voluntarily by the accused during investigation is admissible if it is recorded before a police officer of at least the rank of District Superintendent of Police, subject to the Court's approval. Lower ranks such as Inspector or Deputy Superintendent do not meet this criterion.