Marinate chicken with above mentioned ingredients without adding water. Keep aside for 30 mins. Pressure cook baby potatoes with 1/2 cup for 2-3 whistles.
Remove from the heat and once pressure settles, peel off the skin of potatoes. Pierce with a fork and keep aside.
Heat 4 tbsp oil in a pan or kadhai and fry marinated chicken till it turns golden brown. Remove from the heat and fry baby potatoes in the same oil till it turns golden brown.
Remove from the heat. Heat 2 tsp oil in a pan or kadhai and temper mustard seeds. Add curry leaves and saute a while.
Add fried baby potatoes and chicken. Saute a while. Add ginger-garlic paste and mix well.
Add red chili powder, amchur, asofoetida and salt to taste. Fry for 5-8 mins and garnish with chopped coriander. Remove from the heat and serve hot.
