Section 28(3) in The U.P. Air (Prevention and Control of Pollution) Rules, 1983
(3)An officer of the Board may, before or after carrying out an inspection under sub-rule (1), require the applicant to furnish to him orally or in writing such additional-information or clarification, or to produce before him such documents as he may consider necessary for investigation of application and may, for that purpose, summon the applicant or his authorised agent to the office of the Board.
