The law of demand states that other factors being constant price and quantity demand of any good and service are inversely related to each other. When the price of a product increases, the demand for the same product will fall.
In a specific period, when other things hold remaining constant.
If the price of any goods/service is increased, the demand of that goods/service will be decreased. On the other hand, the price of any goods/service is decreased, the demand of that goods/service will be increased.