Principle: Acceptance of proposal must be the exact mirror image of the proposal. Facts: A made a proposal to B to sell a chair for Rs. 500. B is desirous of buying the said chair for Rs. 400.

Principle: An agreement with a boy below the age of eighteen years is not enforceable by law. Facts: A man entered into an agreement with a girl of seventeen years of age.

Principle: Sale of liquor is illegal. All agreements relating to prohibited items do not exist in the eyes of law. Facts: A entered into an agreement with B for the sale of liquor. A failed to supply the agreed quantity of liquor to B.

Principle: The communication of a proposal is complete when it comes to the knowledge of the person to whom it is made. Facts: A sent a letter making a proposal to B to purchase the house of B.

Principle: An agreement may be entered into orally, in writing, or by conduct. Facts: A went to the shop of B and picked a tooth brush and gave a cheque of Rupees twenty to B and left the shop.

Principle: Property consists of right to posses, right to use, right to alienate and right to exclude others. Sale is complete when property gets transferred from the seller to the buyer. Facts: A sold his car to B B requested A to keep the car in his care on behalf B for one mon…

Principle: A person, who is usually mad, but occasionally not mad, may make a contract when he is not mad. Facts: A generally remains in the state of madness and rarely becomes capable of understanding anything.

Principle: An agreement without free consent can be enforced only at the option of the party whose consent was not free. Facts: A obtains the consent of B to enter into an agreement by putting a gun on the head of B's girl friend.

Principle: Where one of the parties to a contract was in position to dominate the decision of the other party, the contract is enforceable only at the option of the party who was in a position to dominate decision of the other party. Facts: A doctor asked his patient to make a pa…