Soak urad dal overnight and in morning grind it to fine thick paste. Make sure its not coarse. It should be fine and smooth.

Now take rice flour in bowl. (personally do not use readymade rice flour, in case if you need to buy it, buy rice flour for specially made for modak. Or at home just wash rice, sundry it and make powder of it in mixer.) Add urad dal batter in it. With gram flour. Add coriander powder, turmeirc powder, cumin powder, and table spoon of oil and make a stiff dough. Add warm water if needed.

Now heat oil for frying. Make small lemon size ball and gently press it on palm. Spread it or use rolling pin and make small puri of it. It shouldnt be thin. And deep fry it on slow flame till it become golden from both sides.

Serve it with malvani curry.