Boil the arbi in a pressure cooker. Drain it and take the skin out. Set aside to cool down.
Mash it well. Add all the ingredients and mix well. Take the mixture little by little and make balls out of it. Put it in between your palms and press it softly to flatten a bit.
In a flat pan, add olive oil and place the tikkis on a slow to medium heat. Cook it until golden and turn on the other side too. When both sides are cooked then you can take them out on a plate.