In a bowl mix together roasted rice flour and coconut.
Add salt, onion, green chillies, curry leaves and coriander leaves.
Add 3/4 th cup of boiling water and mix it with a spoon.
Keep on adding water until all the dry flours are wet.
Cover and set aside until cool.
Heat oil in a deep pan.
Knead the dough into a smooth ball. If needed wet your hand with the boiled and cooled water and knead.
Make small balls out of the dough, flatten it and make a hole in the centre.
Drop into hot oil and fry until golden brown.
Serve hot with chutney or sambar.