Heat oil, splutter mustard seeds, urad dal split, chana dal
When it crackles, add curry leaves, sliced onions and fry well for a minute.
Now add drumstick pieces and potato
further to this, add turmeric powder, chilli powder and salt.
Pour in enough water for it to get cooked.
Close and cook in medium flame until vegetable is done.
open and let it dry. serve with rice and curry