law: Sale of Goods Act, 1930
  29. Sale by person in possession under voidable contract
  When the seller of goods has obtained possession thereof under a
  
  contract voidable under section 19 or section 19A of the Indian Contract Act,
  
  1872, but the contract has not rescinded at the time of the sale, the buyer
  
  acquires a good title to the goods, provided he buys them in good faith and
  
  without notice of the seller's defect of title.