Glossary

What is singhara atta?

Singhara atta is flour made from dried singhara, the horned fruit of the water caltrop (Trapa), a plant that grows in ponds and lakes and is often called water chestnut in India. It's a favourite fasting flour during Navratri and other vrats, used for puris, halwa, pakoras and rotis.

Written by Poshan Labs. Sources are named on the page. Last updated 26 October 2026.

Singhara atta: flour made from dried singhara, the horned fruit of the water caltrop (Trapa), a plant that grows in ponds and lakes and is often called water chestnut in India.

Singhara atta and your health

Singhara is mainly starch, so it gives you energy, and because it isn't a cereal it's allowed in many fasting traditions.

Gluten:

  • It isn't a grain, so it has no gluten of its own.
  • Flours can be milled alongside wheat, so look for a gluten-free label if you have coeliac disease.

During fasts, singhara often turns up as:

  • deep-fried puris
  • ghee-rich halwa

That means a fasting day can end up heavier than a normal one.

How to have singhara atta

Cook singhara rotis or chillas on a tawa with a little ghee.

Good habits with singhara:

  • Pair them with dahi, paneer or a vegetable like lauki or pumpkin to add protein and fibre.
  • Mixing it with kuttu or rajgira atta improves both the texture and the nutrition.
  • Keep fried puris and halwa as occasional treats, since starchy foods are healthiest boiled, baked or cooked with little fat.

If you have diabetes and plan to fast, talk to your doctor about how to manage your meals and medicines.

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