Commission of Enquiries Act, 1952
6. Statements made by persons to the Commission -
No statement made by a person in the course of giving evidence before the Commission shall subject him to, or be used against him in, any civil 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 he is required by the Commission to answer, or
- is relevant to the subject matter of the inquiry