Soak the two dals together in enough water for 1/2 hr
Meanwhile grate the zucchini. Squeeze out the water and keep aside
Drain the water from the dal completely. Transfer the dal without any water to the mixer jar. Add the chilli, salt, corainder and asafoetida
Grind it very coarsely without water for in pulses. Do not grind it smooth
Heat the oil in a deep frying pan
Mix the grated zucchini with the ground dal. Make small patties and deep fry till golden brown on medium flame. Drain on absorbent paper. Serve with a cup of hot coffee