Clean the drumstick leaves by picking the leaves alone and avoiding the stems as much as possible. Wash and keep them ready.
Chop the onion and garlic finely.
In a pan heat up the oil and add the mustard seeds, chana dal, split urad dal, and red chilly.
Once the mustard splutters add the chopped onion, garlic, and curry leaves and saute well.
Next, add the drumstick leaves. Saute for a few minutes till it reduces a bit in volume. Now add the required salt, turmeric powder, and the dal stock.
Mix well, cover, and cook till it is done. Finally, add the grated coconut and turn off the stove.
Serve as an accompaniment with rice.