law: The Warehousing (Development and Regulation) Act, 2007
  7. Duties of
  
  warehousemen. -
  1.  In
  
  the absence of a lawful excuse, a warehouseman shall deliver the goods referred
  
  to in a negotiable receipt, to the holder of the receipt on demand made by the
  
  holder and on the holder fulfilling all the following conditions, namely:-
  a.   satisfying the
  
  warehouse lien;
  b.   surrendering the
  
  receipt in case of non-negotiable receipt and surrendering the receipt with
  
  endorsements in case of negotiable receipt; and
  c.   acknowledging in
  
  writing the receipt of the goods.
  2.  If
  
  a warehouseman refuses or fails to deliver the goods in compliance with the
  
  provisions of this section, the burden of proof shall lie on the warehouseman
  
  to establish the existence of a lawful excuse for the refusal or failure.