2 cups of All Purpose flour (Plain flour or maida)
1 teaspoon active dry yeast
1 teaspoon salt
1 teaspoon sugar
Pinch of baking soda
2 tablespoons of oil
2 1/2 tablespoons yogurt (curd or dahi)
3/4 cup lukewarm water

Also needed:

1 teaspoon of clear butter or ghee to butter the Naan
1/4 cup All Purpose flour for rolling