law: Contact Labour (Regulation and Abolition) Act, 1970
  21. Responsibility for payment of wages
  (1) A contractor shall be responsible for payment of wages to
  
  each worker employed by him as contract labor and such wages shall be paid
  
  before the expiry of such period as may be prescribed.
  (2) Every principal employer shall nominate a representative
  
  duly authorized by him to be present at the time of disbursement of wages by
  
  the contractor and it shall be the duty of such representative to certify the
  
  amounts paid as wages in such manner as may be prescribed.
  (3) It shall be the duty of the contractor or ensure the
  
  disbursement of wages in the presence of the authorized representative of the
  
  principal employer.
  (4) In case the contractor fails to make payment of wages within
  
  the prescribed period or makes short payment, then the principal employer shall
  
  be liable to make payment of wages in full or the unpaid balance due, as the
  
  case may be, to the contract labor employed by the contractor and recover the
  
  amount so paid from the contractor either by deduction from any amount payable
  
  to the contractor under any contract or as a debt payable by the contractor.