Firstly take bowl put water, then add red chilli powder, turmeric powder, coriander powder, garam masala powder and make paste.

Then take kadhai put oil heat it then add cumin seeds spluter them.

Now add ginger garlic paste and saute it, then add masala paste saute till oil separated.

Now peeled the potatoes, roughly break it and put in the Kadhai add saute it.

Then add 1 cup milk and give one boil. If required than add water too for gravy.