(i) There is a need for rules and regulations to protect the consumers from unfair trade practices. For example – A shopkeeper weighs less than the actual quantity and charges more. (ii) In order to make high profit, some manufacturers of oil, ghee, butter, khoya etc. stoop to adulteration. Such things prove very injurious to the health of the customers. Hence, rules and regulations protect the consumers from such unethical trade practices.