Take rice flour in a mixing bowl .
Add a pinch of salt .
Add the soaked and drained chana daal .
Roughly pound the cumin and peppercorns and add to the flour.
Make a paste of curry leaves , green chillies and ginger . Add this to the flour .
Add butter and mix everything very well , till the butter is completely incorporated .
Using very little water , bind the dough .
Make sure the dough is stiff and hard .
Make balls out of the dough .
Place the oil to heat .
Using a plastic sheet place the dough ball and press it with fingers to make a disc .
The disc can be thin or even slightly thick .
Fry on moderate flame , let the colour not change .
Remove the cracker once you see the chana dal colour changes and is crisp .
Store after they have cooled down .