law: Standards of Weights and Measures (Enforcement) Act, 1985
  39. Penalty for
  
  keeping non-standard weights or measures for use and for other contraventions.-
  1.  Whoever
  
  keeps any weight or measure other than the standard weight or measure in any
  
  premises in such circumstances as to indicate that such weight or measure is
  
  being, or is likely to be, used for any--
  a.   weighment or
  
  measurement, or
  b.   transaction or for
  
  industrial production or for protection, shall be punished with fine which may
  
  extend to two thousand rupees, and, for the second or subsequent offence, with
  
  imprisonment for a term which may extend to one year and also with fine.
  2.  Whoever,--
   
  
   i.  
  
    in
  
  selling any article or thing by weight, measure or number, delivers or causes
  
  to be delivered to the purchaser any quantity or number of that article or
  
  thing less than the quantity or number contracted for and paid for, or
  in
  
  rendering any service by weight, measure or number, renders that service less
  
  than the service contracted for and paid for, or
   
  
   iii.  
  
    in
  
  buying any article or thing by weight, measure or number, fraudulently receives,
  
  or causes to be received any quantity or number of that article or thing in
  
  excess of the quantity or number contracted for and paid for, or
   
  
   iv.  
  
    in
  
  obtaining any service by weight, measure or number, obtains that service in
  
  excess of the service contracted for and paid for, shall be punished with fine
  
  which may extend to five thousand rupees, and, for the second or subsequent
  
  offence, with imprisonment for a term which may extend to five years and also
  
  with fine.
  3.  Whoever
  
  enters, after the commencement of this Act, into any contract or other
  
  agreement (not being a contract or other agreement for export) in which any
  
  weight, measure or number is expressed in terms of any standard other than the
  
  standard weight or measure, shall be punished with fine which may extend to two
  
  thousand rupees, and, for the second or subsequent offence, with imprisonment
  
  for a term which may extend to one year and also with fine.