Rules and regulations are required to protect the consumers in the marketplace because of the following factors :
Adulteration: People tend to add adulterants (or chemicals) in food to make it look better.
False claims: Producers make false claims about the durability and quality of their products through advertisements.
Under weighing: Sellers generally under weigh products and charge their original prices.
Hoarding and black-marketing : Sellers generally hold up stocks in the market to create artificial scarcity so as to sell ihem later at higher rates.
Selling at high price : Sellers, who sell necessities, generally sell them at higher prices.