Boil chana dal till soft. Drain off water and grind to a fine paste.
Add jaggery, salt, cardamom powder. Cook the paste till thick. Keep aside.
Mix flour with water, salt and a little oil and make a smooth dough. Keep aside for 2 hours.
Make small balls of the dough. Roll out into a 4cms discs.
Put a small ball of the dal mixture in the centre. Form into a ball. Roll out into a 10 cms disc and cook on a griddle on a slow fire till slightly browned on both sides.