Trim the bitter gourd and cut into round pieces.
Soak tamarind in a bowl with hot water and keep aside.
Heat a pan, then add bitter gourd pieces, salt, red chilli, coriander powder and turmeric powder. Mix well.
Extract tamarind juice and add it to the bitter gourd pieces along with half of water.
Cover and cook on medium flame until water is completely evaporated. Keep aside.
Heat another pan with oil, add mustard seeds, cumin seeds, urad dal and curry leaves.
When they begin to splutter add the cooked bitter gourd pieces and roast them on both sides until they turn into brown colour.
Remove them into a serving bowl and enjoy with piping steamed rice along with sambar or curd rice.