Wash the potatoes peel them and cut them into medium pieces and boil them till half done they should not get too soft.

Now take these potatoes in a bowl and add cornflour, maida, salt, chili powder, ginger garlic paste and garam masala and mix thoroughly and deep fry them and keep aside.

Then take a pan add slit green chillies and 8 curry leaves  and fry for a minute now add curd and pepper and red colour if you want or you can skip it. 

Now add the fried potatoes and fry for another 2 minutes and switch off . Garnish with coriander leaves and serve hot with rice, sambar or dal.