law: Factories Act, 1948 
  73. Register of child workers 
  (1) The manager of every factory in which children are employed
  
  shall maintain a register of child workers, to be available to the Inspector at
  
  all times during working hours or when any work is being carried on in a
  
  factory, showing,- 
  (a) the name of each child worker in the
  
  factory,
  (b) the nature of his work,
  (c) the group, if any, in which he is
  
  included,
  (d) where his group works on shifts, the relay
  
  to which he is allotted, and
  (e) the number of his certificate of fitness
  
  granted under section 69.
   7  [(1A) No child worker shall be required or allowed to work
  
  in any factory unless his name and other particulars have been entered in the
  
  register of child workers.]
  (2) The State Government may prescribe the form of the register
  
  of child workers, the manner in which it shall be maintained and the period for
  
  which it shall be preserved.