law: Sale of Goods Act, 1930
  42. Acceptance
  The buyer is deemed to have accepted the goods when he intimates
  
  to the seller that he has accepted them, or when the goods have been delivered
  
  to him and he does any act in relation to them which is inconsistent with the
  
  ownership of the seller, or when, after the lapse of a reasonable time, he
  
  retains the goods without intimating to the seller that he has rejected them.