For the purposes of the inquiry, every such Commission shall have the powers of a Magistrate’s Court, in the exercise of its civil jurisdiction, in respect of citing parties, summoning witnesses, administering oaths, hearing evidence, and conducting and maintaining order at the inquiry.

For the purposes of this section, the power to issue summonses requiring the attendance of witnesses or the production of documents, or to do any other act preliminary or incidental to the hearing of any matter by the Commission, including any such power vested in a Registrar of any Court by any Act or rules, may be exercised by the Commission or its Chairman, or by an officer of the Commission purporting to act by direction or with the authority of the Commission or its Chairman.”