The exception to law of demand is

Solution(By Examveda Team)

The exception to law of demand is Veblen goods and Giffen goods.
Giffen goods are the inferior goods whose demand increases with the increase in its prices. There are several inferior commodities, much cheaper than the superior substitutes often consumed by the poor households as an essential commodity. Whenever the price of the Giffen goods increases its quantity demanded also increases because, with an increase in the price, and the income remaining the same, the poor people cut the consumption of superior substitute and buy more quantities of Giffen goods to meet their basic needs.
Another exception to the law of demand is given by the economist Thorstein Veblen, who proposed the concept of “Conspicuous Consumption.” According to Veblen, there are a certain group of people who measure the utility of the commodity purely by its price, which means, they think that higher priced goods and services derive more utility than the lesser priced commodities.