A Board, or Court, or any member thereof, or a conciliation officer, a Labour Court, Tribunal or National Tribunal, or any person authorised in writing by the Board, Court, Labour Court, Tribunal or National Tribunal in this behalf may, for the purposes of any conciliation, investigation, enquiry or adjudication entrusted to the conciliation officer.
Board, Court, Labour Court, Tribunal or National Tribunal under the Act, at any time between the hours of sunrise and sunset and in the case of a person authorised in writing by a Board, Court, Labour Court, Tribunal or National Tribunal after he has given reasonable notice enter any building, factory, workshop, or other place or premises whatsoever, and inspect the same or any work, machinery, appliance or article therein or interrogate any person therein in respect of anything situated therein or any matter relevant to the subject-matter ‘of the conciliation, investigation, enquiry or adjudication.