Peel & cut potatoes into fingers.

Heat some oil in pan & put potato fingers in it & fry until it turn brown.

Take onions,tomatoes,ginger and onion & make a paste.

Now heat some oil in pan & put a paste in it until it leaves it's oil.

Then put salt,red chilli,coriander powder & gram masala in it.

Add some water in it & then add potato fries in it.

Heat it for 2-3 min & garnish it with green coriander.