Boil the tapioca until it becomes tender.

Mash the tender tapiocas and keep aside.

Heat a little oil in a skillet.

Splutter the mustard seeds.

Add the onions and green chillies and saute until onion becomes tender.

Add turmeric powder and cook for a while.

Add the mashed tapioca and salt into the skillet and mix them altogether.

Remove from the flame and allow it to cool to a medium temperature.

Make cornflour batter by mixing corn flour with 3 - 5 tbsp of water.

Roll the mix into desired shape(circular,cylindrical.diamond) and dip in the cornflour batter and then in bread crumbs to get a nice and thick coating.

After all the mix is done, keep the rolls in a refrigerator for about half an hour.

Heat oil in a skillet and deep fry the rolls until golden brown.

:- Serve hot with ketchup or mint chutney.