1. no need to add baking soda to the dough as we are adding sour curds to it, we will get crisp and soft stuff as it is.
if u add soda, there will be more consumption of oil and the oil will remain on the bonda as it is.

2. heat oil in a medium flame, do not keep full flame becoz once u st ....

1. the dough should be of the chapathis consistency.

2. diamond shapes can be made like this.
first cut the chappathis vertically into 1/2 inch strip and then keep the strip horizontally and cut them into small pieces. this will look like a diamond shape.