Add salt , turmaric powder and red chilly powder, garam masala, to the Potato and mashed it ,keep it aside.
Heat 1 tbsp oil in a non stick pan.
Add the ginger and chopped green chilies and fry until the raw smell goes off .
Then add onion fry till raw smell goes now add tomatoes and cook till tender.
Add the mashed potato.
Mix on low flame and add the peanuts (preferably dry roasted earlier - you can use raw ones too).
Keep aside and let it cool.
Prepare the batter by mixing the besan well with the salt and turmeric powder and chili powder, kalonji, a pinch of soda, until no lumps remain.
Make the batter a little thick so that it coats the stuffing nicely.
Heat the oil for deep frying.
Divide the potato mixture into small balls with your palm.
Dip each round piece in the batter and deep fry till golden brown
Serve hot with ketchup or green chutney as I did..
Otherwise you can it with gughuni..