Atta is a whole wheat flour that is used widely in Indian cuisine to make unleavened flat breads like Roti, Chapati and Paratha. While it is whole wheat flour made from hard wheat, it is different to normal whole bread flour in the various ways. Atta flour is very smooth and fine in its texture.
What can be substituted for bread flour?
If your recipe calls for bread flour but all you have is all-purpose flour, don't worry. You can substitute all-purpose flour for bread flour one-to-one, though your loaf of yeast bread might have a less chewy texture and likely won't rise as much as a loaf made with high-gluten flour.
What type of flour is chapati flour?
Chapatis are made of whole-wheat flour known as atta, mixed into dough with water, oil and optional salt in a mixing utensil called a parat, and are cooked on a tava (flat skillet).