Roast the rice flour and urad dal flour in a dry pan on a low flame. Be careful not to change the color. Roast for 1-2 mins.
Sieve this flour and roast it again.
Repeat this process twice.
In the pan add the sesame seeds and roast till slightly brown. roast the coconut also till golden brown.
In a wide bowl add the roasted flour, butter, cumin seeds (if adding, no need to roast) roasted sesame seeds, coconut, and salt. Sprinkle water little by little and make it into a smooth soft pliable dough.
The dough should not be too tight. Otherwise, the seedai will get cracked.
Make it into small balls by greasing your hands with coconut oil and spreading them on a newspaper.
Do not roll them too hard, Just gently roll them and do not overdo them.
Heat oil in a pan for deep frying.
When the becomes hot, keep the flame at medium-low.
Throw the seedai balls into the oil.
Fry till the oil sound subsides.
Take out from the hot oil and drain in a kitchen towel.
Repeat the same procedure for the rest of the seedais.