law: Contact Labour (Regulation and Abolition) Act, 1970
  29. Registers and other records to be maintained
  (1) Every principal employer and every contractor shall maintain
  
  such register and records giving such particulars of contract labor employed,
  
  the nature of work performed by the contract labor, the rate of wages paid to
  
  the contract labor and such other particulars in such form as may be
  
  prescribed.
  (2) Every principal employer and every contractor shall keep
  
  exhibited in such manner as may be prescribed within the premises of the
  
  establishment where the contract labor is employed, notices in the prescribed
  
  form containing particulars about the hours of work, nature of duty and such
  
  other information as may be prescribed.