law: Sale of Goods Act, 1930
  49. Termination of lien
  (1) The unpaid seller of goods loses his lien thereon-
  (a) when he delivers the goods to a carrier or
  
  other bailee for the purpose of transmission to the buyer without reserving the
  
  right of disposal of the goods;
  (b) when the buyer or his agent lawfully
  
  obtains possession of the goods;
  (c) by waiver thereof.
  (2) The unpaid seller of goods, having a lien thereon, does not
  
  lose his lien by reason only that he has obtained a decree for the price of the
  
  goods.