Principle: Contract is an agreement entered into between the parties.
Factual Situation: Ramlal was a dealer in cement. The Government of India, by an order issued under the Essential Commodities Act, fixed the price of cement and also, the quantity which a person can buy from the dealer, Ramlal carried on his business under this new order for sometime, but he refused to pay sales tax on his sales transactions on the ground that these were not the contracts freely entered into by him.