law: Sale of Goods Act, 1930
  14. Implied undertaking as to title, etc.
  In a contract of sale, unless the circumstances of the contract
  
  are such as to show a different intention there is-
  (a) an implied condition on the part of the seller that, in the
  
  case of a sale, he has a right to sell the goods and that, in the case of an
  
  agreement to sell, he will have a right to sell the goods at the time when the
  
  property is to pass;
  (b) an implied warranty that the buyer shall have and enjoy
  
  quiet possession of the goods;
  (c) an implied warranty that the goods shall be free from any
  
  charge or encumbrance in favor of any third party not declared or known to the
  
  buyer before or at the time when the contract is made.