Mix atta, dal, onion, green chillies, coriander leaves in a bowl and knead into a dough.
Divide into equal portions.
Roll in dry flour and roll into rotis.
Apply a little oil, sprinkle a little dry flour, fold into a triangle or square.
Roll into paranthas.
Heat a non sticktawa, place parantha on it.
Drizzle a little oil all around and cook, turning sides, till both sides are equally done. Serve hot.