21. Notwithstanding anything contained in any other law for the time being in force, the Authority may, by general or special order, call upon any person for the time being responsible for the conduct of the affairs of an undertaking to furnish periodically or as and when required any information concerning the activities of the undertaking, including information relating to its organisation, business, trade practices, management and connection with any other undertaking, which the Authority may consider necessary or useful for the purposes of this Ordinance.