law: Sale of Goods Act, 1930
  16. Implied conditions as to quality or fitness
  Subject to the provisions of this Act and of any other law for
  
  the time being in force, there is no implied warranty or condition as to the
  
  quality or fitness for any particular purpose of goods supplied under a contract
  
  of sale, except as follows:-
  (1) Where the buyer, expressly or by implication, makes known to
  
  the seller the particular purpose for which the goods are required, so as to
  
  show that the buyer relies on the seller's skill or judgment, and the goods are
  
  of a description which it is in the course of the seller's business to supply
  
  (whether he is the manufacturer or producer or not), there is an implied
  
  condition that the goods shall be reasonably fit for such purpose:
  PROVIDED that, in the case of a contract for the sale
  
  of a specified article under its patent or other trade name, there is no
  
  implied condition as its fitness for any particular purpose.
  (2) Where goods are bought by description from a seller who
  
  deals in goods of that description (whether he is the manufacturer or producer
  
  or not), there is an implied condition that the goods shall be of merchantable
  
  quality;
  PROVIDED that, if the buyer has examined the goods,
  
  there shall be no implied condition as regards defects which such examination
  
  ought to have revealed.
  (3) An implied warranty or condition as to quality or fitness
  
  for a particular purpose may be annexed by the usage of trade.
  (4) An express warranty or condition does not negative a
  
  warranty or condition implied by this Act unless inconsistent therewith.