law: 485. Inspection.
  The Central Government 1[or the Government] may depute any person in the service of Government to inspect or examine any municipal department or office or any service or work undertaken by the Corporation or any of the municipal authorities or any property belonging to the Corporation and to report thereon and the Corporation and every municipal authority and all municipal officers and other municipal employees shall be bound to afford the person so deputed access at all reasonable times to the premises and properties of the Corporation and to all records, accounts and other documents the inspection of which he may consider necessary to enable him to discharge his duties.