Take the rice flour in a bowl and add the fennel, cumin, coriander powders and salt to it. Mix well.
Slowly add the warm water and oil to the mix and knead into a smooth dough. Cover and keep aside for 20 minutes.
Dive the dough into 8-10 equal portion and hand press them to even out. Using a rolling pin or simply the base of your palm flatten out each of the smaller pieces into a round circle of about 3”-4”.
Heat oil in a heavy bottomed pan and place the rolled out pooris in it in batched.
Fry the pooris until they become fluffy and light golden.