Sale of Goods Act, 1930
47. Seller's lien
(1) Subject to the provisions of this Act, the unpaid seller of
goods who is in possession of them is entitled to retain possession of them
until payment or tender of the price in the following cases, namely:-
(a) where the goods have been sold without any
stipulation as to credit;
(b) where the goods have been sold on credit,
but the term of credit has expired;
(c) where the buyer becomes insolvent.
(2) The seller may exercise his right of lien notwithstanding
that he is in possession of the goods as agent or bailee for the buyer.