Boil the potatoes to almost more than half way cooked. Peel the potatoes and prick with a fork. Heat the oil in a heavy bottomed pan and fry the potatoes until golden colored and crisp. take mango powder, onion salt and red pepper and roll the hot potatoes in it. Keep aside.
Take a seperate pot, add the 3 tbsps of oil and let it heat. Add crushed tomatoes and the remaining spices, let it cook for 3 to 5 min. Add the whipped yogurt and potatoes. Let it cook for another 3 min.
Garnish with Corainder leaves...