Pour hot water over the ribs and bring to boil. Once it boils, remove from stove and add to crock pot.

Slice then soak the preserved tuber in water for 5 minutes. Wash away the chillies.

Chop bittergourd, carrots, preserved tuber, and tomatoes.
Slice ginger.

Throw everything into the pot with the pork ribs. Add 2.5l water into the pot (up to you).

Let it boil for about 3 1/2 hours. Add salt to taste.