Take chane Ka ata in bowl add salt + khane Ka soda mix it well and by adding water make a batter (neither thick nor thin).

Heat 2 tsp oil in a kadhai add curry leaves and add grinded chillies and saute for 1 mins then add salt + turmeric powder mix it and saute for some seconds.

Add mashed potatoes and mix it very well cook on low flame for 2 mins more and then add chopped coriander leaves mix it and remove from gas let it cool.

Heat oil in a kadhai dip the potato balls in batter and fry them properly and serve hot.