Steam or boil the potatoes.Care should be taken not to overcook them.Scrape or mashed potatoes.Add chopped green chillies,pinch of red chilli powder,ginger paste,little salt and garam masala.Mix all.Heat 1 tbsp oil and fry the chopped onion.Add the potato mix and toss till nicely fried.Set aside to cool.Take maida in a bowl.Add ajwain,little salt,baking powder and soda.Add ghee or oil and mix all.Pour little water and knead into a tight dough.Roll out the dough very thinly.

Smear the potato mix evenly over the rolled dough with the help of a spoon.Roll the layered maida and potato mix into an elongated cylindrical tube.Cut into 1/2 inch size rounds with a sharp knife.Make a thin batter with maida or cornflour.Heat oil in a nonstick pan.Lower flame when hot.Dip each round in batter and fry till crisp.Serve with hot and sweet sauce or date and tamarind chutney.