law: The Legal Metrology Act, 2009
  30. Whoever- Penalty
  
  for transactions in contravention of standard weight or measure. -
  a.  
  
    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 or paid for; or
  b.  
  
    in
  
  rendering any service by weight, measure or number, renders that service less
  
  than the service contracted for or paid for; or
  c.  
  
    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 or paid for; or
  d.  
  
  
  
    in
  
  obtaining any service by weight, measure or number, obtains that service in
  
  excess of the service contracted for or paid for, shall be punished with fine
  
  which may extend to ten thousand rupees, and, for the second or subsequent
  
  offence, with imprisonment for a term which may extend to one year, or with
  
  fine, or with both.