Before Navratri arrives, people stop buying onions from the market and start to destroy the onions kept in the house. You must have heard many times people saying that onion and garlic should not be consumed during Navratri. If someone cites religious beliefs when asked about the reason behind this, many people say that onion and garlic is in the category of tamasic food. So let us tell you today why ransom food, especially onion and garlic, is prohibited from being eaten during the fast.