Heat edible oil in the pan. Put paste of tomato, onion, garlic and ginger. Put all the dry masale. Heat for a while. when the paste leaves the oil put some water into it. In a bowl mix boiled and mashed potatoes, maida, salt, red pepper, dhania and chat masala. Make a small round from the mixture and press it a little. Put white butter and dry fruits into it and make a roll. Put these rolls(koftas) in the grevy. garnish it with paneer.