law: Sale of Goods Act, 1930
  55. Suit for price
  (1) Where under a contract of sale the property in the goods has
  
  passed to the buyer and the buyer wrongfully neglects or refuses to pay for the
  
  goods according to the terms of the contract, the seller may sue him for the
  
  price of the goods.
  (2) Where under a contract of sale the price is payable on a day
  
  certain irrespective of delivery and the buyer wrongfully neglects or refuses
  
  to pay such price, the seller may sue him for the price although the property
  
  in the goods has not passed and the goods have not been appropriated to the
  
  contract.