Now, in another bowl, add 1 to 1.25 cups of besan or gram flour, 1/8th tsp turmeric powder, asafoetida, a pinch of baking soda, salt and 1.2 cup of water. The batter should be of medium thickness. If too thin, add 1 or 2 tbsp of gram flour, else add water to make the batter thin.