Section 12(3)(a) in THE COMMISSION FOR AIR QUALITY MANAGEMENT IN NATIONAL CAPITAL REGION AND ADJOINING AREAS ACT, 2021
(a)Subject to the provisions of this section, any person authorised by the Commission in this behalf shall have a right to enter, at all reasonable times, and with such assistance as he considers necessary, any place, for the purpose of—(i)performing any of the functions of the Commission entrusted to him;(ii)determining whether and if so, in what manner any such functions are to be performed or whether any provisions of this Act or the rules made thereunder or any notice, order, direction or authorisation served, made, given or granted under this Act is being or has been complied with;(iii)examining and testing any equipment, industrial plant, record, register, document or any other material object or for conducting a search of any building in which he has reasons to believe that an offence under this Act or the rules made thereunder has been or is being or is about to be committed and for seizing any such equipment, industrial plant, record, register, document or other material object if he has reasons to believe that it may furnish evidence to the Commission of an offence punishable under this Act or the rules made thereunder or that such seizure is necessary to prevent or mitigate environmental pollution;