law: Standards of Weights and Measures (Enforcement) Act, 1985
  23. Manufacturer,
  
  etc., to maintain records and registers.-
  1.  Every
  
  maker, manufacturer, repairer or dealer and every person using any weight or
  
  measure in any transaction or for industrial production or for protection shall
  
  maintain such records and registers as may be prescribed, and, if required so
  
  to do by an Inspector, shall produce such records and registers before the
  
  Inspector for inspection.
  2.  Notwithstanding
  
  anything contained in sub-section (1), if the Controller is of opinion that
  
  having regard to the nature or volume of the business carried on by any maker,
  
  manufacturer, dealer, repairer or user of any weight or measure, it is
  
  necessary so to do, he may, by order, exempt such maker, manufacturer, dealer,
  
  repairer or user from the operation of sub-section (1).