Boil the Arbi in salted water for 10-15 minutes in half covered pan. Or, pressure cook it in salted water for one whistle and immediately release the pressure.
Peel the cooled arbi and cut it into two halves
Heat 3 tablespoon oil in a pan and add cumin seeds and carom seeds. Allow them to splutter and add boiled arbi pieces.
Cook them till all arbi pieces become crisp and golden brown and then move them aside to make space in the centre of the pan.
Add remaining oil in the centre and add, coriander powder, cumin powder, salt to taste, turmeric powder, red chilli powder and mix well.
Now mix these spice powders with arbi/taro roots and stir-fry gently for 3-4 minutes.
Add finely chopped green chilli and remove from heat. Serve this masala arbi with chapati and dal for a heavenly Indian meal.