Kokum Curry refers to a great digestive drink made of dry Kokum skin pieces. The other ingredients are grated coconut, green chilies, garlic, pinch of asafetida, and salt to taste. Kokum is the semi-dried sour skin of a fruit that grows along India’s coast. Kokum or Cocum refers to a variety of plum , pitted and dried. It is prune-like and very sour. Kokum is also known in Malayan as Mangosteen.