Legal Principle: Damages are payable for breach of contract and the purpose of damages is to compensate him of the loss suffered and not to improve his position more than what it would have been if the contract had been duly performed.
Factual situation: A wanted to buy a house and he contracted with surveyor S to inspect a particular house and value it for him. S surveyed the house and valued it for Rs 10 lakhs. S, however , failed to notice the defective plumbing system in the house and had he taken note of it, the house would have been worth only Rs 8 lakhs. A followed S's adivce and bought the house for Rs 10 lakhs and thereafter spent Rs 4 lakhs for repairing the plumbing system. He filed a suit against S claiming Rs 4 lakhs as damages.