Statement made by persons to Commission.

No statement made by a person in the course of giving evidence before the Commission or an officer or agency, referred to in clause

1. (a) or the person appointed under clause (b) of sub-section (1) of section 13, shall subject him/her to, or be used against him/her in any civil and/or criminal proceeding except a prosecution for giving false evidence by such statement: Provided that the statement is made in reply to a question which is required by the Commission or such officer or agency or such person to be answered and is relevant to the subject matter under investigation.