Singhara (Water Chestnut) is a fruit that grows underwater. Water chestnut fruits are dried and ground to make flour. It is rich in potassium content and low in sodium content, which is said to help water retention in the body. Singhara ka atta is an excellent source of good carbohydrate and energy boosting nutrients like iron, calcium, zinc and phosphorous. Food prepared with singhara atta will make sure there is no major decline in your energy levels. That's is why, it is most commonly used during Navratri or any kind of fasting.