Here are some fasting rules for Chaitra Navratri that one should follow
Flours and grains
People who observe fast must avoid grains like wheat and rice. They can use alternatives like kuttu ka atta or singhare ka atta
Do not use table salt
Avoid using table salt in the dishes prepared for people observing the Chaitra Navratri fast. Instead, use sendha namak or rock salt
Cooking oil
During the fast, avoid cooking vrat food in seed based-oils or refined oil. You can cook food in pure ghee or peanut oil
Do not use onion or garlic
Avoid the use of onion and garlic while cooking fasting food
Avoid non-vegetarian food, alcohol and tobacco
During the nine days of the fasts of Navratri, one should avoid the consumption of non-vegetarian food, alcohol and tobacco